TTidyPaycheckMoney math you can trust

Free calculators, verified to the cent.

No sign-up, no email. Every formula is cross-checked against an independent simulation, the same standard behind our downloadable spreadsheets.

Cash-on-Cash Return Calculator

Rental cash flow, cap rate, DSCR, and true cash-on-cash return.

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Cap Rate Calculator

Cap rate and cash-on-cash side by side, so you can see what your loan does to the return.

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Debt Payoff Calculator

Avalanche or snowball, your debt free date and the interest you save.

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Biweekly Paycheck Calculator

Take-home per paycheck and month, and the months with three paychecks.

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Savings Goal Calculator

How long to reach a goal, or what to save each month to get there by a date.

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Net Worth Calculator

What you own minus what you owe, and how it changed since your last check.

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FIRE Calculator

Your FIRE number and how many years it takes to reach it, year by year.

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Student Loan Payoff Calculator

Your payoff date, total interest, and what an extra payment saves.

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50/30/20 Calculator

Split your take-home pay into needs, wants and savings, to the cent.

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