Money & Finance Calculators
Mortgage savings, take-home pay, compound interest and check writing — the money maths you need without a spreadsheet
Mortgage Payoff Calculator
See how much interest you save and how many months you cut by paying extra each month. Free, instant, no signup.
Take-Home Pay Calculator
Estimate your take-home pay after federal tax, Social Security and Medicare, using the 2026 brackets. Free, no signup.
Compound Interest Calculator
See what your savings grow into over time with monthly contributions and any compounding frequency. Free, no signup.
Loan Payment Calculator
Work out the monthly payment and total interest on any fixed-rate loan — car, personal or student. Free, no signup.
Savings Goal Calculator
Find out how much to save each month to hit a savings target by a set date, including the interest you will earn. Free.
Sales Tax Calculator
Add sales tax to a price, or work backwards from a tax-inclusive total to find the tax you paid. Free, no signup.
Discount Calculator
Work out the final price after one or two stacked discounts and see exactly how much you save. Free, no signup.
Number to Words Converter
Write any amount in words for a cheque or contract — 13,540.75 becomes "Thirteen thousand five hundred forty dollars and 75/100". Free.
Words to Number Converter
Turn written amounts back into digits — "one thousand two hundred" becomes 1200. Useful for reconciling contracts. Free.
Chinese Amount in Words Converter
Convert any amount into Chinese financial capital characters — 12500 becomes 壹万贰仟伍佰元整. Essential for invoices and reimbursements in China.
Currency to Number Converter
Strip currency symbols and thousands separators from a column of amounts so they import cleanly into a spreadsheet. Free.
Split Bill Calculator
Divide a restaurant or group bill fairly, adding tax and tip before splitting it evenly. Free, no signup.
Retirement Calculator
Project your nest egg from today through retirement using monthly contributions and compounding. Free, no signup.
Inflation Calculator
See how inflation erodes the buying power of money over the years. Free, no signup.
Credit Card Payoff Calculator
Find out how long it takes to clear a balance and how much interest you pay at your current monthly amount. Free.
Break-Even Calculator
Work out how many units you must sell to cover your fixed and variable costs. Free, no signup.
Hourly to Salary Calculator
Convert an hourly wage to an annual, monthly and weekly salary for any hours and weeks worked. Free.
Salary to Hourly Calculator
Turn a yearly salary into an equivalent hourly rate based on your hours and weeks worked. Free, no signup.
Simple Interest Calculator
Calculate simple interest that accrues only on the original principal, not on prior interest. Free.
Net Worth Calculator
Subtract what you owe from what you own to see your true net worth in seconds. Free, no signup.
Emergency Fund Calculator
Find the cash cushion you need to cover several months of expenses, and how much more to save. Free.
Investment Fee Calculator
See how a small difference in fund fees quietly eats into your long-term returns. Free, no signup.
Refinance Calculator
Check whether a lower mortgage rate outweighs the closing costs of refinancing. Free, no signup.
Rent vs Buy Calculator
Compare the real cost of buying a home against renting over the years you expect to stay. Free.
ROI Calculator
Measure the return on an investment as a percentage of what you put in. Free, no signup.
CAGR Calculator
Find the smooth annual growth rate behind any starting and ending value over a number of years. Free.
Commission Calculator
Work out sales commission and total earnings from a rate and any base salary. Free, no signup.
Markup Calculator
Set a selling price from your cost and desired markup percentage. Free, no signup.
Profit Margin Calculator
Compute the profit margin on your revenue and cost, and the implied markup. Free, no signup.
Tip & Split Calculator
Split a bill with tip across any number of people. Free, no signup.
Hourly Wage Calculator
Convert an annual salary to an hourly rate at 2080 hours. Free, no signup.
Annual Income Calculator
Turn an hourly wage into annual, monthly and weekly pay. Free, no signup.
Discount Calculator
See the final price and savings after any discount. Free, no signup.
Price After Tax Calculator
Add any sales-tax rate to a price in one step. Free, no signup.
Profit Calculator
Compute profit and margin from revenue and cost. Free, no signup.
Interest-Only Payment Calculator
Estimate the monthly interest-only payment on a loan. Free, no signup.
Rent Affordability Calculator
See the rent you can afford at a chosen share of income. Free, no signup.
Net Take-Home Calculator
Estimate take-home pay after a flat tax rate. Free, no signup.
Savings Rate Calculator
Find what percentage of your income you are saving. Free, no signup.