Simple interest calculator RapidTables Home›Calculators›Finance› Simple interest calculator Simple interest calculator Simple interest calculator. Select currency: Dollar ($) Pound (£) Euro (€) Krona (kr) Leu (L) Lira (t) Peso (P) Ringgit (RM) Rupee (R) Rupee (Rs) Shekel (₪) Zloty (zl) - other - Principal amount: $ Annual interest rate: % per year Period: Days Weeks Months Quarters Years Interest amount: $ Total amount: $ Simple interest calculation ► See also Compound interest calculator Simple interest calculation Write how to improve this page Submit Feedback FINANCIAL CALCULATORS Compound interest calculator Effective interest rate calculator GST calculator Simple interest calculator VAT calculator RAPID TABLES Recommend Site Send Feedback About This website uses cookies to improve your experience, analyze traffic and display ads. Learn more OK Manage Settings