Fast, accurate calculators for money and math — loans, mortgages, interest, tax, margins, percentages, ratios, fractions, GPA and more.
Solve every common percentage problem with clear formulas.
Estimate monthly payments, total interest and a full amortization schedule.
Estimate monthly mortgage payments including tax, insurance and PMI.
See how savings grow with compound interest and contributions.
Project savings growth from regular deposits and interest.
Estimate investment growth from contributions and returns.
Estimate car loan payments with down payment, trade-in and tax.
Work out the sale price and how much you save.
Add or extract sales tax from a price.
Calculate profit, margin and markup from cost and revenue.
Find the selling price from a cost and markup percentage.
Calculate the tip and split the bill between people.
A full scientific calculator with functions and constants.
Find mean, median, mode and more from a list of numbers.
Simplify ratios and solve proportions.
Add, subtract, multiply and divide fractions.
Estimate the fuel cost of a trip.
Compare products by price per unit to find the best value.
Convert between currencies using live exchange rates.
Add or remove VAT from a price at any rate.
Find the units and revenue needed to break even.
Convert between annual salary and hourly wage.
Work out simple interest and total from principal, rate and time.
Calculate return on investment and profit from cost and final value.
See PayPal's fee on a payment and what you keep.
See Stripe's fee on a charge and your net payout.
See how inflation changes prices and purchasing power over time.
Find how long to clear a card balance and the interest paid.
Project retirement savings from contributions and returns.
Calculate net present value of a series of cash flows.
Find the internal rate of return of a cash-flow series.
Calculate a stock's dividend yield from dividend and price.
Calculate a stock's price-to-earnings ratio.
Calculate your DTI from monthly debt and income.
Calculate your grade point average on a 4.0 scale.
Turn a score into a percentage and letter grade.