Finance Calculators

Financial calculators to help you plan, save, and borrow smarter. Estimate loan payments, mortgage costs, compound interest, savings growth, and more.

Loan Payment Calculator — Monthly Payment & Amortization

Calculate monthly loan payments, total interest paid, and view a full amortization schedule for any loan amount, interest rate, and term. Free.

Mortgage Calculator — Monthly Payment & Amortization Schedule

Estimate your monthly mortgage payment with principal and interest breakdown. Includes a full amortization schedule for any loan amount, rate, and term. Free.

Mortgage Overpayment Calculator — Save Interest & Pay Off Early

See exactly how much interest you save and how many years you cut off your mortgage by making extra monthly payments. Compare your current vs. accelerated payoff. Free.

Compound Interest Calculator — Investment Growth Over Time

Calculate how any investment grows over time with compound interest and regular contributions. See year-by-year growth, total contributions, and total interest earned. Free.

Savings Goal Calculator — How Long to Reach Your Goal?

Find out exactly how long it takes to reach any savings goal with regular deposits and compound interest. Enter your goal, rate, and monthly amount. Free.

Credit Card Interest Calculator — Payoff Time & Total Cost

Enter your balance, APR, and monthly payment to see exactly how long it takes to pay off your credit card and how much total interest you'll pay. Free.

Inflation Calculator — Purchasing Power Over Time

Calculate how much purchasing power a dollar amount loses over time using historical or custom annual inflation rates. Compare the real cost of money across any two years. Free.

Salary to Hourly Converter — Annual, Monthly & Weekly

Convert any salary to an hourly rate — or any hourly rate to annual salary. See weekly, biweekly, monthly, and daily equivalents instantly. Free.

Tip Calculator — Calculate & Split a Bill

Calculate the tip amount for any bill size and tip percentage. Split the total evenly among any number of people and see the per-person amount. Free.

Sales Tax Calculator — Add or Remove Tax from Any Price

Add or remove sales tax from any price for any tax rate. Calculate the pre-tax price, tax amount, and total — instantly and in both directions. Free.

Net Worth Calculator

Add up your assets and liabilities to calculate your current net worth.

FIRE Number Calculator

Calculate how much you need to retire early using the 4% rule and your annual expenses.

Coast FIRE Calculator

Find out how much you need saved today to coast to retirement without additional contributions.

Emergency Fund Calculator

Calculate your target emergency fund size based on monthly expenses and coverage months.

Debt Snowball Calculator

Pay off debt smallest-balance-first and see your total interest saved and debt-free date.

Debt Avalanche Calculator

Pay off debt highest-rate-first and minimize the total interest you pay.

APY Calculator

Convert a nominal interest rate to APY (Annual Percentage Yield) based on compounding frequency.

CD Ladder Calculator

Build a CD ladder strategy across multiple terms and see your total interest earned at maturity.

Dividend Income Calculator

Calculate annual and monthly dividend income from your shares and project growth over time.

Investment Fee Drag Calculator

See how fund expense ratios compound over time and how much fees cost your long-term returns.

Rule of 72 Calculator — How Long to Double Your Money?

Use the Rule of 72 to estimate how long any investment takes to double. Enter an interest rate and get the answer instantly — plus the full formula explained. Free.

Required Minimum Distribution Calculator

Calculate your annual RMD from a traditional IRA or 401(k) based on your age and account balance.

529 College Savings Calculator

Project how your 529 college savings plan grows with regular contributions and compound interest.

Simple Interest Calculator

Calculate simple interest earned on a principal amount over time and compare to compound interest.

Discount Calculator

Calculate the sale price and savings from a discount percentage, or find the discount from two prices.