Construction, Carpentry & Concrete 13 calculators
- Compound Miter & Bevel Angle CalculatorSpherical trigonometry of the compound cutA compound cut is any joint where the pieces are both turned in plan and tilted out of plumb - a splayed planter box, a sloped…
- Concrete Bag CalculatorASTM C387/C387MThis calculator turns a concrete volume into a bag count. Work from slab dimensions, from post hole geometry, or from a volume…
- Concrete Block CalculatorASTM C90 units; ASTM C270 mortar; TMS 602 beddingThis calculator turns a wall dimension into a block order. Give it the length, height and nominal unit size and it returns the…
- Concrete Column & Sonotube CalculatorACI 318 / IRC R403 footing and pier practiceA round pier is the easiest concrete volume on a job site to get wrong, because the diameter is quoted in inches, the height in…
- Concrete Footing CalculatorIRC 2021 §R403This calculator takes off the concrete in a foundation footing: a continuous strip running around a building perimeter or along…
- Concrete Mix Ratio Calculator (Cement, Sand & Aggregate)IS 456:2000 nominal mixes; ACI 211.1 proportioningSite-batched concrete is proportioned by volume - one part cement to so many parts sand and stone - but you buy cement by the…
- Concrete Slab CalculatorASTM C94/C94MEnter the length, width and thickness of a slab and this calculator returns the concrete volume in cubic feet, cubic yards and…
- Concrete Stairs CalculatorIRC R311.7 stair geometryPoured steps are two solids stacked together: the staircase-shaped mass you can see, and the sloped slab underneath it that…
- Construction Cost per Square Foot CalculatorAACE International estimate classesThis calculator works in both directions. Give it a finished area and a hard cost per square foot and it returns the all-in…
- Construction Labor Hours & Crew Days CalculatorFLSA overtime, 29 CFR Part 778This calculator converts a measured quantity of work and a unit productivity rate into the three numbers a bid actually needs…
- Contractor Markup vs Margin CalculatorMarkup–margin identity g = m / (1 + m)Enter what a job costs you and this calculator builds the price you should bid, then shows the same price expressed both ways…
- Crown Molding Spring Angle & Saw Setting CalculatorCompound-cut trigonometry; WM/WMMPA molding profilesCrown molding sits at an angle to both the wall and the ceiling, which turns every corner into a compound cut. This calculator…
- Cut & Fill Earthwork Calculator (Average End Area)Average end area methodEnter the cut and fill end areas measured at each station along a road or a graded site, plus the station interval, and this…
Business, Marketing & E-commerce 11 calculators
- CAC Payback Period CalculatorGross-margin-adjusted CAC payback (SaaS metrics convention)CAC payback is the number of months of gross profit a customer must deliver before they have repaid what you spent to acquire…
- Cart Abandonment Rate CalculatorEnter the carts created, checkouts started and orders completed for a period, and this calculator separates the two rates…
- Click-Through Rate (CTR) CalculatorIAB impression and click measurement definitionsClick-through rate is clicks divided by impressions. This calculator returns that percentage, and then runs the formula in…
- Conversion Rate CalculatorEnter visitors and conversions and you get the rate, the number of visitors it currently takes to buy one conversion, the…
- Cost Per Acquisition (CPA) CalculatorMASB Common Language Marketing DictionaryCost per acquisition is your spend divided by the conversions it produced. This calculator returns that figure, the cost per…
- Cost Per Click (CPC) CalculatorIAB/MRC ad impression measurement guidelinesCost per click is your ad spend divided by your clicks, and this calculator returns it alongside the three numbers that give it…
- CPM Calculator (Cost Per 1,000 Impressions)IAB / MRC impression measurement guidelinesCPM is the price of one thousand impressions. Enter what you spent and how many impressions you received and this calculator…
- Customer Acquisition Cost (CAC) CalculatorMASB Common Language Marketing DictionaryCustomer acquisition cost is what one new customer costs you to win. This calculator gives you the two figures that actually…
- Customer Churn Rate CalculatorStart-of-period denominator conventionChurn rate is the share of your customers — or your recurring revenue — that disappears during a period. This calculator gives…
- Customer Lifetime Value (LTV) CalculatorGupta–Lehmann discounted CLV margin multipleThis calculator turns churn or repeat-purchase behaviour into a defensible lifetime value figure. Pick the subscription model…
- Customer Retention Rate CalculatorStandard CRR formula (Marketing Metrics, Farris et al.)Customer retention rate measures how many of the customers you started a period with are still customers at the end of it. The…
Everyday Life & Household 11 calculators
- Cake Servings CalculatorWilton serving-size conventionThis calculator turns a pan into a number of slices. Give it a shape and its dimensions, pick the slice size you intend to cut…
- Carpet & Padding CalculatorCRI 105 residential installationCarpet is priced by the square yard but made in a fixed-width roll, so the amount you pay for is almost never the area of your…
- Carpool Cost Split CalculatorIRS standard mileage rateThis calculator turns a carpool into a number nobody argues about. Enter the round-trip distance, the car's fuel economy, the…
- Cat Age in Human Years CalculatorAAFP/AAHA Feline Life Stage GuidelinesA cat does not age at a constant multiple of human years. The first year is worth about fifteen, the second about nine more…
- Cat Food Portion CalculatorNRC 2006 · AAHA 2021 weight managementThis calculator turns your cat's body weight into a daily calorie target and then into the two numbers you actually need at the…
- Cell Phone Plan Comparison CalculatorTotal cost of ownershipCarrier advertising quotes a price per line that almost nobody pays. The bill that arrives adds device installments, state and…
- Childcare & Daycare Cost CalculatorHHS CCDF 7% affordability benchmarkCentres quote a weekly or monthly rate for one full-time child, which is almost never the number that leaves your account. This…
- Closet Rod Hanging Space CalculatorCloset capacity is measured in linear inches of rod, not in square feet, and every garment type consumes a different amount of…
- Coffee Habit Cost CalculatorOrdinary annuity future valueA single daily coffee is a small purchase and a large annual number, and the gap between the two is the whole point of this…
- Credit Card Cash Back Rewards CalculatorEnter what you spend in a year and what each category earns, and this calculator returns the number that actually matters: the…
- Currency Exchange Markup & Fee CalculatorMid-market (interbank) reference rate"No commission" almost never means free. The money is taken in the rate: a bureau that quotes you 0.87 when the interbank…
Crafts, Textiles, 3D Printing & Photography 8 calculators
- Camera Field of View & Subject Coverage CalculatorThin-lens (Gaussian) opticsAngle of view depends on two numbers and nothing else: the focal length of the lens and the physical size of the sensor behind…
- Candle Fragrance Load CalculatorIFRA Standards usage limitsFragrance load is a percentage, and the percentage is meaningless until you say what it is a percentage of . This calculator…
- Candle Wax CalculatorWeight-based fragrance loading (IFRA usage limits)Wax is sold by weight and containers are sold by volume, so every candle batch starts with a conversion. This calculator does…
- Clay Shrinkage CalculatorASTM C326 drying and firing shrinkageClay leaves the wheel one size and comes out of the kiln another. Mark a test bar, measure it wet, bone dry and fired, and this…
- CNC Router Feeds & Speeds CalculatorMachinery's Handbook cutting-speed and chip-load relationsFeeds and speeds come down to one quantity: chipload , the thickness of material each cutting edge takes per revolution. Set…
- Crochet Granny Square Blanket Layout CalculatorCraft Yarn Council blanket sizing conventionsEnter the blanket size you want and the size of one finished square, and this calculator fits a square grid to it: how many…
- Crop Factor & Equivalent Focal Length Calculator35 mm film frame (36 × 24 mm, 43.27 mm diagonal) as the reference formatCrop factor is the ratio of two sensor diagonals, and it converts any lens on any camera into the focal length that would frame…
- Curtain Fabric & Fullness CalculatorWorkroom drapery convention (fullness ratio method)Enter your rod width, the drop you want and the fabric you have chosen, and this calculator returns the number of fabric widths…
Cooking, Baking & Brewing 7 calculators
- Canning Altitude Adjustment CalculatorUSDA Complete Guide to Home Canning (2015 revision)Every tested canning recipe is written for sea level, and every one of them is wrong for you if you live above 1,000 feet…
- Catering Food Quantity Per Person CalculatorCulinary yield-test method (AP/EP)Enter a headcount and a service style and this calculator returns the two numbers a caterer actually needs: how many pounds of…
- Cocktail ABV & Dilution CalculatorNIAAA standard drink, 14 g ethanolEnter up to four ingredients with their volumes and strengths and this calculator returns the finished alcohol by volume of the…
- Coffee to Water Ratio CalculatorSCA Golden Cup brewing ratioEnter how much coffee you want in the cup and the ratio you brew at, and this calculator returns the dose in grams, the total…
- Cold Brew Coffee Ratio CalculatorMass brew-ratio methodThis calculator sizes a cold brew batch end to end. Give it your batch water, the concentrate ratio you steep at, and how you…
- Convection Oven Conversion CalculatorConvection conversion rule of thumb: −25 °F or −25% timeA fan oven cooks faster than a conventional one at the same dial setting, so a recipe written for one needs adjusting for the…
- Curing Salt Nitrite PPM CalculatorUSDA FSIS, 9 CFR 424.21 & 424.22Curing salt is the one ingredient in charcuterie where guessing is genuinely dangerous in both directions: too little sodium…
Personal Finance, Loans & Credit 7 calculators
- Car Affordability Calculator20/4/10 vehicle purchase guidelineThis calculator runs the car-buying arithmetic backwards. You give it your income and the share of it you are willing to…
- College Cost Projection CalculatorCost of attendance (Higher Education Act §472)Today's sticker price is not what you will pay. Tuition and living costs compound between now and the day a student enrols, and…
- Cost of Living Comparison CalculatorWeighted price-index (Laspeyres) comparisonEnter what you earn now and how expensive the destination is in five categories, with the origin city set to 100, and this…
- Credit Card Interest Charge CalculatorRegulation Z (12 CFR 1026)Card issuers do not charge interest on your statement balance. They charge it on the average of every day's balance across the…
- Credit Card Minimum Payment CalculatorRegulation Z (12 CFR 1026) minimum payment disclosureA minimum payment is not a number the issuer picks; it is a formula in your cardholder agreement, usually the larger of a small…
- Credit Card Payoff CalculatorRevolving credit, average daily balance methodA credit card has no term. Unlike a mortgage or a car loan, nothing in the agreement says when the balance reaches zero — that…
- Credit Utilization Ratio CalculatorFICO Score — amounts owed categoryCredit utilization is the share of your revolving credit limits you are currently using, and it is the largest input to a…
Agriculture, Livestock & Landscaping 6 calculators
- Cattle Weight Calculator (Heart Girth Tape)Girth-and-length rule (Schaeffer's formula)Wrap a tape around the animal just behind the front legs, measure from the point of the shoulder to the pin bone, and this…
- Compost Carbon to Nitrogen (C:N) Ratio CalculatorDry-weight mass balance of carbon and nitrogenA compost pile heats when its carbon to nitrogen ratio lands somewhere near 30:1 on a dry-weight basis, and this calculator…
- Corn Yield Estimate CalculatorYield component method (Purdue Extension)This calculator turns three field counts — ears in 1/1,000 of an acre, kernel rows per ear, and kernels per row — into a…
- Crop Break-Even Price & Yield CalculatorEnterprise budget method — USDA ERS commodity costs and returns accountsEnter your per-acre costs and expected yield and this calculator returns the price per bushel you must receive to cover every…
- Crop Water Requirement (ETc) CalculatorFAO Irrigation and Drainage Paper 56, single crop coefficientCrop water use is reference evapotranspiration multiplied by a crop coefficient, and this calculator takes that product all the…
- Custom Fertilizer Blend CalculatorAAPFCO guaranteed analysis (N-P₂O₅-K₂O)A soil test gives you pounds of N, P 2 O 5 and K 2 O per acre; a fertiliser dealer sells you urea, DAP and potash by the ton…
Accounting & Financial Statement Analysis 5 calculators
- Cash Conversion Cycle CalculatorUS GAAP / IFRS statements · 365-day conventionThe cash conversion cycle counts the days between paying your supplier and collecting from your customer. Enter revenue, cost…
- Cash Ratio CalculatorASC 230-10-20 / IAS 7 cash equivalentsThe cash ratio is the strictest liquidity test on the balance sheet: it asks what you could pay today from money you already…
- Contribution Margin CalculatorContribution-format (variable) costingContribution margin is what one sale leaves behind after the costs that exist only because the sale happened. Enter your…
- Cost of Goods Sold (COGS) CalculatorFASB ASC 330 / IAS 2Cost of goods sold is the cost of the inventory that actually left your shelves this period. This calculator builds it the way…
- Current Ratio CalculatorASC 210-10 / IAS 1 current classificationEnter the two subtotals from the top of your balance sheet and this calculator returns the current ratio, net working capital…
Automotive, Diesel & Motorsports 5 calculators
- Camshaft Duration, LSA & Overlap CalculatorCam-card valve event convention (0.050 in tappet lift)A cam card gives you three numbers — intake duration, exhaust duration and lobe separation angle — plus however…
- Carburetor CFM CalculatorFour-barrel CFM rated at 1.5 inHg, two-barrel at 3.0 inHgA carburettor has to flow the air the engine can actually swallow at peak power — no more, or velocity and signal…
- Coil Spring Rate CalculatorHelical compression spring rate (Shigley / SAE HS-795)Spring rate is fixed by four things — wire diameter, mean coil diameter, the number of active coils and the material's shear…
- Cornering Speed & Lateral G CalculatorPoint-mass friction limit; AASHTO superelevation relation e + f = V²/15RMaximum cornering speed comes from one balance: the lateral force the tires can generate against the centripetal force the…
- Cylinder Head Airflow Horsepower Potential CalculatorOrifice flow scaling (√Δp) with the 0.257 hp/CFM correlationA flow bench gives you cubic feet per minute at one test depression. Two numbers you actually want are not on the sheet: what…
Computing, IT, Networking & Security 5 calculators
- Cache Hit Ratio & Average Memory Access Time CalculatorAMAT model, Hennessy & PattersonA cache is worth exactly what it saves on the accesses that miss it, weighted by how often that happens. Average memory access…
- Cloud Data Egress Cost CalculatorTiered per-GB transfer pricingEgress is the cloud charge that surprises people, because it is metered on volume nobody planned and priced in bands that step…
- Cloud VM Monthly Cost Calculator730-hour month convention (8,760 ÷ 12)Cloud instances are quoted by the hour and budgeted by the month, and the conversion hides two traps. The first is that a month…
- Crypto Mining Profitability CalculatorProof-of-work expected-value modelThis calculator turns your hashrate into an expected number of coins per day, prices them, and then subtracts the three costs…
- CVSS v3.1 Base Score CalculatorCVSS v3.1, FIRST.orgThe CVSS base score expresses the intrinsic severity of a vulnerability on a 0.0 to 10.0 scale, using eight metrics that…
Electrical Trade & Electronics 5 calculators
- Capacitive Reactance CalculatorNEC 2023 Art. 460 · IEEE Std 18Enter a capacitance and a frequency and this calculator returns the capacitor's reactance in ohms, the current it draws from a…
- Conductor Ampacity Derating CalculatorNEC 2023 (NFPA 70) Article 310 and 110.14(C)Start with the table ampacity of your conductor, then apply the two derating factors the NEC requires: an ambient temperature…
- Conduit Fill CalculatorNEC 2023 (NFPA 70), Chapter 9 Tables 1, 4 and 5Enter the conduit you plan to use and the conductors you plan to pull, and this calculator returns the total conductor area…
- Continuous Load Breaker Sizing CalculatorNEC 2023 (NFPA 70) 210.19, 210.20, 215.2, 215.3, 240.6This calculator sizes the overcurrent device and the conductor for a circuit that carries a continuous load. The National…
- Current Divider CalculatorKirchhoff's current law and Ohm's lawEnter the current arriving at a parallel node and the resistance of each branch, and this calculator shows how that current…
Geometry & Trigonometry 5 calculators
- Circle Area CalculatorEnter whichever circle measurement you have — radius, diameter, circumference or even the area itself — and this…
- Circumference CalculatorCircumference is the distance once around a circle, and it is one multiplication from the diameter: C = πd. This calculator…
- Cone Volume CalculatorEuclidean solid geometry (Euclid, Elements XII.10)Enter a cone's radius or diameter together with either its vertical height or its slant height, and this calculator returns the…
- Cube Volume & Surface Area CalculatorEuclidean solid geometryA cube is fixed entirely by one number, so tell this calculator any single property — edge length, volume, surface area, face…
- Cylinder Volume CalculatorEuclidean solid geometry (Cavalieri's principle)Enter the radius or diameter of a cylinder and its height, and this calculator returns the volume, the capacity in gallons…
Biology, Genetics & Clinical Lab 4 calculators
- Cell Doubling Time CalculatorExponential (Malthusian) growth modelEnter the cell density you seeded, the density you counted at harvest, and the hours in between. This calculator returns the…
- CFU per mL Plate Count CalculatorFDA BAM Chapter 3 / ISO 7218 plate countCount your colonies, tell this calculator how much you plated and how far you diluted, and it returns the viable count of the…
- Corrected Calcium for Albumin CalculatorPayne albumin-adjusted calciumRoughly 40% of the calcium in serum is bound to albumin and is biologically inert. A total calcium result therefore falls when…
- Creatinine Clearance Calculator (Cockcroft-Gault)Cockcroft-Gault (1976)Cockcroft-Gault is still the equation most drug labels are written against, so it remains the one to use when you are deciding…
Calculus, Linear Algebra & Discrete Math 4 calculators
- Cramer's Rule CalculatorCramer's rule (adjugate identity)Enter the coefficients of a 2 × 2 or 3 × 3 linear system and this calculator solves it the way…
- Critical Points, Local Max & Min CalculatorFermat's theorem and the Extreme Value TheoremEnter the coefficients of a polynomial up to degree five and this calculator finds every critical number — each x where f'(x) =…
- Cross Product CalculatorRight-hand rule vector productEnter two three-dimensional vectors and this calculator returns their cross product component by component, laid out as the 3×3…
- Curl of a Vector Field CalculatorVector calculus: ∇ × F and the conservative field criterionEnter the three components of a vector field and a point, and this calculator evaluates curl F = ∇ × F there, showing each of…
Education, Grading & Test Scores 4 calculators
- Class Average CalculatorDescriptive statistics (population standard deviation)Paste a set of scores and this calculator returns everything a teacher needs to describe an assessment: the mean, the median…
- College Cost of Attendance CalculatorHigher Education Act §472 cost of attendanceCost of attendance is the number a financial aid office actually works from, and it is much bigger than tuition. This…
- Cumulative GPA Calculator4.0 quality-point scale (AACRAO transcript convention)Enter the cumulative GPA and credit total printed on your transcript, add the courses you are taking now, and this calculator…
- Curved Grade CalculatorNorm-referenced score adjustment (institutional grading policy)Paste your raw scores, pick a curve, and this calculator shows every adjusted score side by side with the original, the new…
Insurance & Risk Management 4 calculators
- Cash Value Life Insurance Return CalculatorInternal rate of return on an annuity-due premium streamA permanent policy's illustration shows you a growing cash value. What it rarely shows is the rate that growth represents…
- COBRA Premium Cost CalculatorIRC §4980B / ERISA Part 6 (COBRA)COBRA lets you keep your employer's health plan after you leave, but it does not let you keep your employer's contribution…
- Commercial Property Blanket Limit CalculatorISO CP 00 10 Building and Personal Property Coverage FormA blanket limit lets the whole limit float across every location instead of trapping a fixed amount at each one, which is why…
- Cyber Liability Coverage Limit CalculatorGDPR Art. 33 and US state breach notification statutesThis calculator builds a breach-cost scenario from the four things that actually drive the bill — how many records you…
Investing & Retirement 4 calculators
- CAGR CalculatorGIPS 2020 annualisation conventionThis calculator converts a beginning value, an ending value and a holding period into one compound annual growth rate &mdash…
- CAPM Expected Return CalculatorCapital Asset Pricing Model (Sharpe–Lintner)The capital asset pricing model gives you the return an asset has to offer before its risk is worth taking. Enter the risk-free…
- Coast FIRE CalculatorCoast FIRE is the balance that, left completely alone, grows into your full retirement number by the age you want to stop…
- Compound Interest CalculatorRegulation DD (12 CFR 1030) APY conventionThis calculator projects what a starting balance plus a regular deposit becomes after any number of years, at any compounding…
Legal, Claims & Settlements 4 calculators
- Chapter 7 Means Test Calculator11 U.S.C. 707(b)(2); Official Forms 122A-1 and 122A-2The means test decides whether you may file Chapter 7 or are pushed toward a Chapter 13 repayment plan. It runs in two stages…
- Child Support Estimate Calculator45 CFR 302.56 state guidelines; Wisconsin DCF 150 percentage standardThis calculator runs the two guideline models that between them cover almost every U.S. state: income shares , which prorates a…
- Comparative Negligence Reduction CalculatorUniform Comparative Fault Act (1977)A finding that you were partly responsible for your own injury does two things to a claim: it reduces the award in proportion…
- Contingency Fee Net Recovery CalculatorABA Model Rule 1.5(c)This calculator turns a settlement figure into the number that actually reaches you. It applies the contingency percentage at…
Real Estate & Property Investment 4 calculators
- Cap Rate CalculatorIRV income capitalisation (Appraisal Institute)The capitalization rate is the unleveraged annual yield a property throws off: net operating income divided by price. This…
- Capital Gains Tax on Home Sale CalculatorIRC §121 exclusion; IRS Publication 523Gain on a home sale is not the price minus what you paid — it is the net proceeds minus your adjusted basis , which includes…
- Cash-on-Cash Return CalculatorEquity dividend rate (Appraisal Institute)Cash-on-cash return divides the pre-tax cash a property puts in your pocket over a year by the cash you had to put in to…
- Closing Costs CalculatorTRID Loan Estimate / Closing Disclosure structure (Regulation Z)Closing costs are the money you bring to settlement on top of the down payment, and they split into two very different groups…
Unit & Measurement Conversion 4 calculators
- Celsius to Fahrenheit CalculatorSI (BIPM) / ITS-90Enter a temperature in any of the four scales in common use and this calculator returns the other three, showing the arithmetic…
- Cooking Measurement Conversion CalculatorUS customary measures (NIST Handbook 44) and metric spoon and cup conventionsA cup is not one thing. The US cup is 236.59 mL, the metric cup used in most of Europe and in New Zealand is 250 mL, the…
- Cubic Yards to Cubic Feet CalculatorInternational Yard and Pound Agreement (1959)Bulk materials are ordered in cubic yards in North America, in cubic meters almost everywhere else, and measured on site in…
- Cups to Grams Ingredient CalculatorUS customary cup of 236.5882365 mL; ingredient bulk densitiesA cup is a volume, and grams are a mass, so converting between them needs one more piece of information: how much the…
Chemistry & Chemical Engineering 3 calculators
- Calorimetry Heat Calculator (q = mcΔT)Constant-pressure calorimetry, q = mcΔTA calorimetry experiment measures heat indirectly: you record a temperature change and convert it with q = mcΔT. Enter the mass…
- Charles's Law CalculatorCharles's law (isobaric ideal-gas relation)Charles's law says that at constant pressure the volume of a fixed amount of gas is proportional to its absolute temperature…
- Chemical Equation BalancerConservation of mass (Lavoisier) solved as a linear null-space problemType an unbalanced equation such as C3H8 + O2 = CO2 + H2O and this returns the smallest set of whole-number coefficients that…
Cloud, SaaS & IT Spend 3 calculators
- Cloud Cost Per Transaction CalculatorFinOps Framework — unit economicsA cloud bill that grows 30% tells you nothing on its own. If transactions grew 45% over the same period, the platform got…
- Cloud Migration Payback CalculatorDiscounted cash flow (payback and NPV)This calculator sets the one-off cost of moving out of your data centre against the difference in annual run rate, and tells…
- Cost of Additional Nines CalculatorEach additional nine removes 90% of the remaining downtime and costs more than the nine before it. Those two facts run in…
Health, Fitness & Nutrition 3 calculators
- Calorie Deficit Calculator3,500 kcal per pound of body fat (Wishnofsky rule)A calorie deficit is the gap between what you burn and what you eat, and this calculator turns the weight-loss rate you want…
- Calories Burned by Activity CalculatorACSM MET equation; MET values from the 2011 Compendium of Physical ActivitiesEnergy cost scales with how hard the activity is and how much body you have to move, and the MET system captures both in one…
- Child Growth Percentile CalculatorLMS method (Cole 1990); CDC 2000 and WHO 2006 growth referencesThis calculator performs the exact arithmetic that turns a child's measurement into a percentile on a growth chart. Read the…
Arithmetic, Algebra & Number Theory 2 calculators
- Combination Calculator (nCr)Binomial coefficient (Pascal's rule)A combination counts how many different unordered selections of r items you can make from n distinct items. Choosing Ann, Ben…
- Complex Number Calculator (Add, Multiply, Divide)Rectangular and polar (modulus-argument) formEnter two complex numbers as real and imaginary parts, pick an operation, and this calculator returns the answer in rectangular…
Corporate Finance & Valuation 2 calculators
- CAPM Cost of Equity CalculatorCAPM (Sharpe–Lintner) and the modified build-upThis calculator returns the return an equity investor must expect before your shares are worth buying — the discount rate for…
- Cost of Preferred Stock CalculatorRp = Dp ÷ net proceeds (perpetuity valuation)Preferred stock pays a fixed dividend with no maturity date, which makes its cost the simplest in the whole capital structure…
Machining, Welding & Metal Fabrication 2 calculators
- Chip Load Per Tooth CalculatorMachinery's Handbook milling conventionThis calculator back-solves the chip load your cutter is actually taking from the three numbers already in your program: feed…
- Cutting Speed (SFM) CalculatorMachinery's Handbook cutting speed conventionCutting speed is the velocity of the cutting edge relative to the work, and it is the parameter that sets the temperature at…