Browse by category
The core time-value-of-money engine behind every investment projection: compounding, discounting, growth rates and real…
Calculators for putting money in on a schedule and keeping the mix on target: systematic investment plans, dollar-cost averaging…
Account-specific projections and IRS-rule math for 401(k)s, Roth and traditional IRAs, solo plans and conversions. These are the…
Decumulation math: how big the nest egg must be, how much can safely be withdrawn, how long a portfolio lasts, and the…
Financial-independence targets, savings-rate driven timelines, and the benefit math behind claiming Social Security early or…
Yield, payout and reinvestment math for income-focused investors and equity analysts. Covers both the screening ratios and the…
Pricing, yield and interest-rate-risk calculators for treasuries, corporates, munis and zeros. Standard fixed-income formulas…
Measurement tools: how much a portfolio actually returned, how much risk it took, what fees and taxes shaved off, and what return…
Most used in investing & retirement
- 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…
- Future Value CalculatorThis calculator solves the standard time-value-of-money future value problem in the form coursework and financial calculators…
- Present Value CalculatorThis calculator discounts money you will receive later back to what it is worth today. Give it a future lump sum, a stream of…
- CAGR CalculatorGIPS 2020 annualisation conventionThis calculator converts a beginning value, an ending value and a holding period into one compound annual growth rate &mdash…
- SIP (Systematic Investment Plan) CalculatorFuture value of an annuity dueA systematic investment plan is a standing instruction to buy units of a mutual fund with the same amount every month. This…
- Dollar-Cost Averaging CalculatorHarmonic-mean cost averagingPaste the price you paid at each purchase and this calculator returns the three numbers that matter: how many shares or units…
- Monthly Investment Needed CalculatorTime-value-of-money annuity formulaTell this calculator what you want to end up with, what you already have, how long you have and what return you assume, and it…
- 401(k) Growth CalculatorIRC §402(g) & §415(c) contribution limitsThis calculator projects what your 401(k) will be worth on the day you retire. It compounds your existing balance monthly, adds…
- Roth IRA Growth CalculatorIRC §408A (Roth IRAs)A Roth IRA compounds without any annual tax drag and, once the distribution is qualified, pays out entirely free of federal…
- Traditional vs Roth IRA Comparison CalculatorIRC §219 (traditional IRA) & §408A (Roth)The choice between a pre-tax and a Roth contribution is a bet on one number: your marginal tax rate in retirement compared with…
- 401(k) Early Withdrawal Penalty CalculatorIRC §72(t)Cashing out a retirement account before age 59½ costs you three separate amounts: ordinary federal income tax on the whole…
- Safe Withdrawal Rate CalculatorBengen (1994) and Trinity study frameworkThe 4% rule sets your first year's withdrawal at 4% of the portfolio and then raises that dollar amount with inflation every…