All calculators
Updated June 2026
Eight focused tools for everyday money decisions. Each one is free, needs no signup, and runs entirely in your browser — your numbers never leave your device.
Invest
Compound Interest
See how savings and investments grow over time with regular contributions.
BorrowLoan & Amortization
Monthly payment, total interest and a full amortization schedule for any loan.
HomeMortgage Payoff
How much time and interest you save by adding extra to each payment.
DebtSnowball vs Avalanche
Compare two payoff strategies across all your debts and pick the winner.
SaveSavings Goal
Find the monthly amount needed to hit a target by a chosen date.
RetireFIRE Number
Your financial-independence target and how many years until you reach it.
DecideRent vs Buy
Compare the true cost of renting versus buying over your time horizon.
EarnSalary ↔ Hourly
Convert between salary, hourly, weekly and monthly pay in seconds.
More on the way. We add calculators based on what people ask for. Got a request?
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