Finance13
Loans, interest, margins, tax and tips — free finance calculators you can use instantly.
Savings Goal Calculator
Find out how much to save each month to reach a savings goal by a target date, counting what you've already saved and the interest it earns.
UseInflation Calculator
See what today's money will cost or be worth in the future at a given inflation rate — future price, purchasing power, and cumulative inflation.
UseROI Calculator
Calculate return on investment from what you put in and what it's worth now — with net profit, investment multiple, and annualized ROI.
UseCredit Card Payoff Calculator
See how long it takes to pay off a credit card and how much interest you'll pay, based on your balance, APR, and monthly payment.
UseAuto Loan Calculator
Estimate your monthly car payment from the vehicle price, down payment, trade-in, sales tax, APR, and term — with total interest and total cost.
UseMortgage Calculator
Estimate your monthly mortgage payment including principal, interest, property tax, insurance, PMI, and HOA — plus the total interest over the loan.
UseSalary Converter
Convert pay between hourly, weekly, monthly, and annual — set your hours per week and see every rate instantly.
UseSales Tax Calculator
Add or remove sales tax in seconds — get the tax amount and total from a net price, or work backwards from a tax-inclusive total.
UseLoan Calculator
Estimate your monthly loan payment from the amount, interest rate, and term — with total interest and total cost over the life of the loan.
UseInterest Calculator
Project savings or loan growth with simple or compound interest — see the final amount and total interest earned.
UseTip Calculator
Split the bill in seconds — enter the amount, tip percent, and party size to get the tip and total per person.
UseDiscount Calculator
Enter the original price and discount rate to instantly see the sale price and how much you save. A must-have free discount calculator before you shop.
UseMargin Calculator
Enter cost and selling price to instantly get your margin rate and profit. A free online margin calculator that also reverse-calculates the price.
Use