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CalcKeep
57 financial calculators in one app.
CalcKeep answers the money questions that come up in real life. How much house can I afford? Should I refinance? Which debt should I pay off first? When should I claim Social Security?
Pick a category, fill in a few amounts, and see the answer update as you go. Tax and retirement calculators use 2026 figures.
DownloadOne app for Windows, macOS, Linux, the web, Android and iOS. Windows installer included.
13 categories
- Mortgage
- Payment, home affordability, refinance, paying off early, rent vs. buy and mortgage points.
- Auto loan and lease
- Loan and lease payments, car affordability, rebate vs. low APR, lease vs. buy, lease buyout and mileage.
- Pay off debt
- Credit card payoff, debt snowball and avalanche, consolidation of up to six debts, the minimum-payment trap, and paying off debt vs. investing.
- Loans
- Loan payment, full amortization schedule, loan comparison by true APR, HELOC and student loan payoff.
- Retirement
- Retirement savings, 401(k) growth, Social Security claiming age, how long savings will last, Roth vs. traditional, and required minimum distributions.
- Savings and investments
- CDs and CD ladders, savings goals, emergency fund, compound growth, ROI, inflation, dividend reinvestment and bond yield.
- Tax
- Income tax estimate, take-home pay, self-employment and quarterly tax, capital gains and tax-equivalent yield.
- Insurance
- Life and disability insurance needs, deductible comparison and health plan comparison with an HSA.
- Business, real estate and education
- Break-even, margins, true cost of an employee, NPV and IRR, rental cash flow and cap rate, 529 savings and college cost.
Made to be quick
- Built-in keypad
- A calculator-style keypad for amounts, with quick-add buttons sized to the field. On a computer you can just type.
- Sliders and choices
- Rates, terms and ages are sliders that snap to sensible steps. Small choices are one tap.
- Only the fields you need
- Fields appear only when they apply, like itemized deductions when you choose to itemize.
- History
- Your last 30 calculations are saved automatically. Tap one to reopen it with the same inputs.
- Stays on your device
- History, last-used inputs and your light or dark theme are kept on your device and nowhere else.
Calculators give estimates for planning only. They are not financial, tax or legal advice.