Compound Amount Factor Calculator

Enter the interest rate per period, number of periods and an optional principal to get the compound amount factor and future value.

How to use

  1. Enter your values in the fields above.
  2. Press Calculate to see your result instantly.
  3. Use the Share button to copy a link to your result.

About this calculator

This calculator computes the single-payment compound amount factor, written (F/P, i, n) in engineering economics notation, using the formula (1 + i)ⁿ. It's the multiplier that grows a present sum of money into its future value after n compounding periods at interest rate i per period — the mirror image of the present worth (P/F) factor.

Engineers, accountants and financial analysts use this factor as a building block in time-value-of-money calculations, capital budgeting and engineering economic comparisons, often pulling it straight from interest-factor tables. Enter an optional principal to see the actual future value alongside the bare factor.

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