Financial Calculators
Run the numbers before you borrow, save or invest. Each calculator sits inside a guide that explains the formula, the assumptions and the 2026 figures behind it.
- Mortgage payment calculator Estimate your monthly mortgage payment with taxes, insurance and PMI, see the total interest over the loan and learn…
- Home affordability calculator Lenders start with your income and debts: housing costs around 28% of gross income and total debts around 36%. At a…
- Mortgage payoff calculator Find out how much interest and time you save with extra mortgage payments, how a lump sum compares with monthly extras…
- Compound interest calculator See how savings and investments grow with compound interest, how much comes from your own contributions and how much…
- Savings account calculator Calculate how much interest your savings account will earn with monthly deposits, compare a high-yield APY with the…
- CD calculator Calculate what a CD earns by maturity, convert an interest rate into APY, estimate the early withdrawal penalty and…
- Credit card interest calculator See how long it takes to pay off a credit card, how much interest you will pay and what payment clears the balance in…
- Debt-to-income ratio calculator Your debt-to-income ratio compares monthly debt payments with gross monthly income. Many personal loan lenders look for…
- Paycheck tax calculator Estimate your 2026 take-home pay after federal income tax, Social Security and Medicare, see which deductions lower…
- Capital gains tax calculator Estimate the 2026 federal tax on a capital gain, see how long-term and short-term gains are taxed, how the 0%, 15% and…
- Quarterly estimated tax calculator If you expect to owe $1,000 or more after withholding, you generally must pay estimated tax each quarter. Paying 100%…
Results are estimates for education, not an offer of credit or tax advice.