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FREE COMPOUND INTEREST CALCULATOR

Project compound interest with flexible compounding periods.

Calculate growth from principal, annual rate, years, compounding frequency, and an optional regular contribution.

INPUTS

Growth inputs

future value = principal growth + regular-contribution growth

ABOUT THIS TOOL

Compound Interest Calculator

Project compound growth using a starting balance, annual rate, years, frequency, and optional regular contributions.

  • Compound interest growth
  • Regular contribution projections
  • Future value and interest earned

KEY FUNCTIONS

Annual to daily compoundingOptional recurring contributionsFuture value, deposits, and interest
Browse everyday calculators →

LEARN THE METHOD

Guides for this calculator workflow

GUIDESimple interest formulaCalculate interest from principal, annual rate, and time.Read →GUIDELoan payment formulaUnderstand periodic payments, total repaid, and total interest.Read →

KEEP SOLVING

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