Know your numbers before you sign anything
38 free calculators for mortgages, retirement, loans, and taxes — with real amortization schedules and charts, not just a single number.
Popular calculators
View all 38 →Paycheck Calculator
Take-home pay after federal, state, and FICA taxes.
Mortgage Calculator
Monthly payment, PITI, and full amortization schedule.
Retirement Calculator
Will your savings last through retirement?
401(k) Calculator
Contributions, employer match, and growth over time.
Compound Interest Calculator
How savings grow with regular contributions.
House Affordability Calculator
How much home you can afford based on income and debts.
Three steps, no surprises
Enter what you know
Amounts, rates and dates. Units are always labelled.
Move one number
Sliders update the result instantly so you can feel the trade-off.
Read the working
Every result shows its formula and a year-by-year table.
More than one number
Real charts
Balance over time, payment breakdowns, and year-by-year comparisons.
Full amortization schedules
Every payment for the life of the loan, monthly or yearly.
PDF reports
A clean, printable report of your inputs, results, and schedule.
Scenario comparison
Line up 2–3 versions of a calculation side by side.
Share links
Send a read-only link to your results — no account needed.
Save with Google
Sign in to keep your calculations across devices.