Afford the payment
Size a mortgage, rent, or loan payment against income before you sign.
Money calculators
Money Calculators for Loans, Savings, Pay, and Debt Decisions
Run the numbers on a mortgage, loan, savings goal, retirement plan, debt payoff, or paycheck before you commit to a decision — with formulas and assumptions kept visible.
Built for home buyers, borrowers, savers, investors, renters, students, and anyone planning a money decision. Inputs stay local unless a tool clearly says otherwise.
Modeled default comparison
Compare loan, savings, and retirement decisions at a glance
| Decision | Calculator | Typical modeled inputs | What it helps you decide |
|---|---|---|---|
| Mortgage | Open Mortgage fee calculator | Loan amount, rate, term, down payment, property tax, insurance, PMI | Compare monthly PITI across rates and terms |
| Auto loan | Open Auto loan fee calculator | Price, down payment, trade-in, rate, term, sales tax | Monthly payment by rate and term |
| Loan comparison | Open Loan comparison fee calculator | Amount, rates, terms, fees | Total cost across competing loan offers |
| Savings / APY | Open Savings / APY fee calculator | Principal, rate, APY, compounding, term | Future value and APY-equivalent yield |
| Retirement | Open Retirement fee calculator | Current balance, contributions, return, years to goal | Projected balance and shortfall to goal |
These modeled comparisons use each calculator's editable defaults to illustrate the decision. They are planning tools, not financial advice; verify current rates and your own figures.
Decision support
Use these tools before money changes hands
Compare the money path
Weigh a lump-sum, savings goal, or debt-payoff timeline across rates and terms.
Check pay and progress
Convert take-home pay, review interest, and model payoff or savings progress.
Tool cluster
Recommended tools
Featured
Mortgage Affordability Calculator
Mortgage affordability calculator: estimate how much house you can afford from income, debts, and down payment using front-end and back-end DTI. Free.
Featured
Mortgage Payment Calculator
Estimate your monthly mortgage payment including principal, interest, taxes, and insurance. Enter loan amount, rate, and term for a full breakdown. Private.
Featured
Mortgage Refinance Break-Even Calculator
Mortgage refinance break even calculator: compare closing costs against monthly savings to find when refinancing pays off. Free, editable rates, no signup.
Featured
Rent Affordability Calculator
Rent affordability calculator: find max rent by income using the 30% rule, debt, and rent-to-income ratio. Free, private, runs in your browser, no signup.
Useful
Down Payment Calculator
Down payment calculator: work out home down payment amount, loan to value, cash to close, and closing costs from your available cash. Free, no signup.
Useful
Loan Comparison Calculator
Loan comparison calculator: compare monthly payments and total interest across up to three loans side by side. Free, private, runs in your browser, no signup.
Useful
Auto Loan Calculator
Auto loan calculator: estimate monthly payment, total interest, and payoff cost from price, down payment, rate, and term. Free, runs locally in your browser.
Useful
EMI Calculator
EMI calculator: compute your loan monthly installment from principal, interest rate, and tenure, with total interest and payment breakdown. Free, runs in browser.
Useful
Amortization Calculator
Amortization calculator: build a full mortgage or loan amortization schedule and see how extra payments cut interest. Free, editable rates, no signup.
Useful
Compound Interest Calculator
Calculate compound interest with recurring contributions. Free compound interest calculator with the formula shown - runs entirely in your browser, no signup.
Useful
Simple Interest Calculator
Calculate simple interest and total amount with interest using principal, annual rate, and time. Simple interest applies only to the original principal.
Useful
APY Calculator
APY calculator: convert any nominal rate and compounding frequency into annual percentage yield, with a full frequency comparison table (annual to daily) and one-year interest on your deposit. Free, private, in-browser.
Useful
APR & Effective Interest Calculator
APR calculator: convert nominal interest plus fees into fee-adjusted APR and effective interest rate so you can compare true loan cost. Free, no signup.
Useful
Savings Growth Calculator
Savings calculator: project how much your savings will grow with compound interest, deposits, and time to reach a future value. Free, runs in your browser.
Useful
Savings Goal Calculator
Savings goal calculator: find the monthly deposit or timeline needed to hit a savings target with compound interest. Free, editable rates, runs locally.
Useful
Retirement Planning Calculator
Retirement calculator: project savings growth, withdrawals, and income from your balance, contributions, and retirement age. Free, private, no signup required.
Useful
401k Employer Match Calculator
401k employer match calculator: estimate your contributions, employer match, and unclaimed match you are leaving on the table per paycheck. Free, no signup.
Useful
Share Profit Calculator
Stock profit calculator: compute gain or loss, ROI, and total return on your share trades including fees. Free, private, runs in your browser, no signup.
Useful
Stock Average Cost Calculator
Stock average cost calculator: compute weighted average share price, total shares, cost basis, and unrealized gain from your buys. Free, private, no signup.
Useful
Dividend Reinvestment Calculator
Dividend reinvestment calculator: model long-term portfolio growth when dividends are reinvested, with yield, growth, and years inputs. Free, no signup.
Useful
Crypto Profit Calculator
Crypto profit calculator: compute profit and ROI on your buys and sells, including exchange fees, with the formula shown. Runs in your browser, no signup.
Useful
Paycheck After Tax Calculator
paycheck after tax calculator that estimates take-home pay from salary with federal brackets, FICA, and state withholding. Editable rates, free, no signup.
Useful
Debt Payoff Calculator
Debt payoff calculator: see how long a loan or credit card takes to clear and how extra monthly payments cut interest and shorten the payoff date. Free.
Useful
Credit Card Payoff Calculator
Credit card payoff calculator: see months to debt freedom and total interest saved at any monthly payment amount you choose. Free, editable rates, no signup.
Useful
Student Loan Payoff Calculator
Student loan payoff calculator: see how extra payments cut interest and shorten your student loan repayment timeline. Free, editable rates, no signup.
Useful
Debt-to-Income Ratio Calculator
Debt-to-income ratio calculator: compute front end and back end DTI from monthly debt payments and gross income to see what lenders allow. Free, no signup.
Useful
Gold, Silver & Precious Metals Price Calculator
Gold price calculator: value gold, silver, platinum, and palladium by weight, purity, and current spot price per gram or ounce. Free, editable rates, no signup.
Trust model
Useful pages, not thin pages
These collections group existing tools around real decisions. The calculators keep assumptions visible, link to related tools, state important limitations, and point toward quality evidence so you can verify inputs before relying on a result.
FAQ
Common questions
Are these money tools financial advice?
No. They are planning calculators. They show assumptions and math so you can make an informed estimate, then verify with a qualified professional.
Which money calculator should I start with?
Start with the decision in front of you: affordability, a loan payment, a savings goal, or a payoff timeline. Each hub tool links to related tools.
Why do results differ from a lender or bank quote?
Lenders apply their own rates, fees, underwriting, and tax data. Use your actual figures and current rates rather than defaults.