Financial Calculators
Free tools for analyzing investments and returns.
Rent vs. Buy Calculator
Deciding whether to purchase a home? Find your break-even year and compare the true long-run cost of renting versus buying — factoring in opportunity costs, appreciation, tax savings, and 30 years of data.
Compound Interest Calculator
See how your portfolio grows over time with monthly contributions, compounding frequency, and a rate variance range.
Open calculator → ROIROI Calculator
Calculate absolute and annualized return on investment with contributions and compounding. Includes rate sensitivity chart.
Open calculator → CAGRCompound Annual Growth Rate
Calculate the average annual growth rate of any investment over a given time period.
Open calculator → IRRInternal Rate of Return
Find the discount rate that makes the net present value of all cash flows equal to zero.
Open calculator → NPVNet Present Value
Calculate the present value of future cash flows discounted at a given rate.
Open calculator → APR → APYAPR to APY Converter
Convert Annual Percentage Rate to Annual Percentage Yield based on compounding frequency.
Open calculator → MortgageMortgage Calculator
Calculate your monthly payment and view a full amortization schedule breaking out principal from interest.
Open calculator → OptionsOptions Payout Visualizer
Build multi-leg options strategies and visualize the combined payoff diagram at expiration. Straddles, spreads, condors, and more.
Open calculator →