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Cube, weight, class and cost math for people who move product: pallet builders, LTL shippers, dock supervisors, fleet owners and…
Shop-floor performance math used by production supervisors, continuous-improvement engineers and plant managers to size lines…
Rig-floor and lease-office math that no consumer calculator site covers: mud hydraulics, well control, crude quality, production…
Recordkeeping and exposure math for EHS managers, safety officers and industrial hygienists: incident rates, heat stress…
Bidding and design math for building service contractors and facility managers: cleaning labor from production rates, monthly…
Utility and reliability math for maintenance departments: sizing a compressor and receiver, pricing the air leaking out of the…
Estimating math for commercial print shops and bindery departments: paper weight systems, how many pieces come off a parent…
Mill and cutting-room math for the apparel supply chain: fabric weight from a swatch, yarn count systems, and fabric consumption…
Back-of-house engineering and store-productivity math: kitchen exhaust and grease interceptor sizing for restaurant build-outs…
Most used in industrial, logistics & plant operations
- Pallet Pattern Calculator (Cases per Pallet & Cube Utilization)GMA 48 × 40 in pallet footprint; ISO 3676 unit load sizesGive this calculator your case dimensions, your pallet footprint and the maximum height a loaded pallet may reach, and it…
- Freight Density & NMFC Freight Class CalculatorNMFTA National Motor Freight Classification (NMFC), density-based class bandsEnter the outside dimensions and total weight of your shipment and this calculator returns its density in pounds per cubic foot…
- Trucking Cost Per Mile Calculator (Owner-Operator)Fixed plus variable cost model, with deadhead adjusted onto loaded milesThis calculator turns your real monthly costs into a defensible cost per mile and then answers the question that actually…
- Federal Bridge Formula & Axle Weight CalculatorFederal Bridge Formula B, 23 U.S.C. § 127; FHWA Bridge Formula WeightsFederal law limits a truck three ways at once: 20,000 lb on any single axle, 34,000 lb on any tandem, 80,000 lb gross — and, on…
- Forklift Capacity Calculator (Load Center & Attachment Derate)OSHA 29 CFR 1910.178; ANSI/ITSDF B56.1 low lift and high lift trucksA forklift's nameplate capacity is only valid at the load center stamped beside it, almost always 24 inches. Push the load's…
- OEE Calculator (Overall Equipment Effectiveness)Nakajima TPM definition of OEE; SEMI E79 equipment efficiency measurementOEE multiplies three rates that each answer a different question: did the machine run when it was supposed to, did it run at…
- Takt Time Calculator (Customer Demand Rate)Lean production / Toyota Production System definition of taktTakt time is the beat your production has to match: net available working time divided by customer demand for that same period…
- API Gravity Calculator (Specific Gravity, lb/gal & bbl per Ton)API MPMS Chapter 11.1 volume correction; API gravity defined at 60/60 °FAPI gravity is an inverted density scale built so that heavier oil gets a lower number and 10 °API is exactly the density of…
- Oil & Gas Royalty Calculator (Net Revenue Interest & Monthly Check)Division order net revenue interest conventionA royalty check is the product of three things: how much of the drilling unit you own, what fraction of production your lease…
- OSHA Incident Rate Calculator (TRIR, DART & LTC)OSHA 29 CFR Part 1904 recordkeeping; incidence rates per 200,000 hoursEvery OSHA incidence rate is the same calculation with a different numerator: count the cases, multiply by 200,000, divide by…
- WBGT Heat Stress Calculator (Work/Rest Schedule)ACGIH TLV for heat stress and heat strain; ISO 7243 WBGT measurementWet bulb globe temperature is the heat stress index occupational hygienists actually use, because it weights humidity, radiant…
- Janitorial Cleaning Time Calculator (Production Rates)Production-rate estimating; ISSA Cleaning Times methodologyJanitorial estimating is production-rate arithmetic: divide each surface's area by the square feet an operator covers per hour…