Financial calculators
Loans, interest, discounts and tax. 8 tools.
Compound interestSee how savings grow with compound interest and regular contributions. Yearly breakdown of balance, deposits and interest earned.DiscountFind the sale price and how much you save from any percentage off. Also works backwards from the sale price to the discount.Effective rateTurn a nominal annual rate into the effective annual rate for any compounding frequency — the number that lets you compare offers fairly.GSTAdd GST to a net amount or strip it out of a gross one, with the tax, net and gross figures and the reverse formula shown.MortgageWork out your monthly payment, total interest and full amortisation schedule for any loan amount, rate and term.Sales taxAdd sales tax to a price or work backwards from a tax-included total, at whatever rate applies in your state or city.Simple interestCalculate simple interest on a principal over years, months or days, and see the interest and the total amount repayable.VAT / taxAdd tax to a net price or strip it out of a gross price at any rate. Shows the net, the tax and the gross side by side.