Calculator Library

All MaaX calculators

Twenty-five free tools covering the money decisions that matter most. Every calculator runs instantly in your browser — your numbers are never sent anywhere.

Buying a Home

Mortgage Calculator

Estimate your monthly mortgage payment and total interest over the life of the loan.

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Debt

Debt Payoff Calculator

See how long it takes to become debt-free and what a bigger payment saves you.

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Investing

Compound Interest Calculator

Watch how regular contributions and time turn savings into serious growth.

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Saving & Budgeting

Savings Goal Calculator

Find out exactly when you'll hit your savings goal at your current pace.

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Buying a Car

Car Loan Calculator

Estimate your monthly car payment, total interest, and the all-in cost of the vehicle.

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Investing

Retirement Calculator

Project your retirement savings and the monthly income they could support.

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Debt

Loan Calculator

Estimate the monthly payment and total cost of any fixed-rate loan.

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Saving & Budgeting

Budget Calculator (50/30/20)

Split your take-home pay into needs, wants, and savings with the 50/30/20 rule.

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Income & Business

Take-Home Paycheck Calculator

Estimate what actually lands in your account from a gross salary.

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Income & Business

Net Worth Calculator

Add up what you own, subtract what you owe — your financial starting line.

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Buying a Home

Rent vs. Buy Calculator

Compare the true cost of renting against buying over the years you'd stay.

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Buying a Home

Refinance Calculator

See if a new mortgage rate is worth the closing costs — and when it pays off.

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Debt

Credit Card Payoff Calculator

Find the monthly payment you need to be debt-free by a target date.

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Saving & Budgeting

Inflation Calculator

See what today's money will really be worth — or was worth — after inflation.

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Buying a Car

Auto Lease vs. Buy Calculator

Compare the true cost of leasing against buying over the years you'd keep the car.

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Buying a Car

Auto Refinance Calculator

See if refinancing your car loan actually lowers your payment — and by how much.

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Income & Business

Business Break-Even Calculator

Find out how many sales you need each month before your business turns a profit.

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Income & Business

IRR / NPV Calculator

Find the real annual return of a business investment, and whether it clears your bar.

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Investing

Investment Return Calculator

Find the annualized return on an investment you already made.

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Investing

Rental Property ROI Calculator

See a rental property's cap rate, cash flow, and cash-on-cash return.

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Buying a Home

Mortgage APR Calculator

Find the true effective rate of a mortgage once points and fees are included.

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Buying a Home

Down Payment Calculator

Find the monthly savings it takes to hit your down payment goal by a target date.

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Buying a Home

Home Affordability Calculator

Find the home price you can realistically afford based on your income and debts.

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Buying a Home

Mortgage Payoff Calculator

Find the monthly payment it takes to pay off your mortgage by a target date.

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Buying a Home

Extra Payment Calculator

See how much time and interest an extra monthly payment actually saves.

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