Calculators
Fast, accurate calculators for money and math — loans, mortgages, interest, tax, margins, percentages, ratios, fractions, GPA and more.
Percentage Calculator
Solve every common percentage problem with clear formulas.
Loan Calculator
Estimate monthly payments, total interest and a full amortization schedule.
Mortgage Calculator
Estimate monthly mortgage payments including tax, insurance and PMI.
Compound Interest Calculator
See how savings grow with compound interest and contributions.
Savings Calculator
Project savings growth from regular deposits and interest.
Investment Calculator
Estimate investment growth from contributions and returns.
Auto Loan Calculator
Estimate car loan payments with down payment, trade-in and tax.
Discount Calculator
Work out the sale price and how much you save.
Sales Tax Calculator
Add or extract sales tax from a price.
Profit Margin Calculator
Calculate profit, margin and markup from cost and revenue.
Markup Calculator
Find the selling price from a cost and markup percentage.
Tip Calculator
Calculate the tip and split the bill between people.
Scientific Calculator
A full scientific calculator with functions and constants.
Average Calculator
Find mean, median, mode and more from a list of numbers.
Ratio Calculator
Simplify ratios and solve proportions.
Fraction Calculator
Add, subtract, multiply and divide fractions.
Fuel Cost Calculator
Estimate the fuel cost of a trip.
Unit Price Calculator
Compare products by price per unit to find the best value.
Currency Converter
Convert between 120+ currencies at live mid-market rates, with an optional bank fee/spread.
VAT Calculator
Add or remove VAT from a price at any rate.
Break-even Calculator
Find the units and revenue needed to break even.
Salary to Hourly Wage Calculator
Convert between annual salary and hourly wage.
Simple Interest Calculator
Work out simple interest and total from principal, rate and time.
ROI Calculator
Calculate return on investment and profit from cost and final value.
PayPal Fee Calculator
See PayPal's fee on a payment and what you keep.
Stripe Fee Calculator
See Stripe's fee on a charge and your net payout.
Inflation Calculator
See how inflation changes prices and purchasing power over time.
Credit Card Payoff Calculator
Find how long to clear a card balance and the interest paid.
Retirement Savings Calculator
Project retirement savings from contributions and returns.
NPV Calculator
Calculate net present value of a series of cash flows.
IRR Calculator
Find the internal rate of return of a cash-flow series.
Dividend Yield Calculator
Calculate a stock's dividend yield from dividend and price.
P/E Ratio Calculator
Calculate a stock's price-to-earnings ratio.
Debt-to-Income Ratio Calculator
Calculate your DTI from monthly debt and income.
GPA Calculator
Calculate your grade point average on a 4.0 scale.
Grade Calculator
Turn a score into a percentage and letter grade.