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Savings Plan Calculator Create a savings plan to reach a target.

decimal

Result

Calculated result 1.32277729 Based on the values entered.
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Savings Plan Calculator Create a savings plan to reach a target. — free online calculator.

Formula

n = ln(1 + target×r/PMT) / ln(1+r)
  • Savings Plan Calculator Create a savings plan to reach a target. calculates its result from Rate (decimal), Pmt, Target. It uses the formula n = ln(1 + target×r/PMT) / ln(1+r). Change any input to recalculate the result instantly.
  • The main inputs are Rate, Pmt, Target. Enter them in the units and format shown in the calculator.
  • Use monetary amounts, rates and time periods exactly as labeled; the result reflects the assumptions entered on this page.
  • Changing any input above recalculates the result with the same calculation engine used by this page.

Example: Savings Plan Calculator Create a savings plan to reach a target.

Inputs
  • Rate: 0.05 decimal
  • Pmt: 3
  • Target: 4

Using Rate (decimal) = 0.05, Pmt = 3, Target = 4, the calculated result is 1.32277729.

Sample result: Calculating…

Frequently asked questions

What does the Savings Plan Calculator Create a savings plan to reach a target. calculate?

Savings Plan Calculator Create a savings plan to reach a target. — free online calculator.

Which values should I enter?

Enter Rate, Pmt, Target using the units and format shown beside each field.

What formula does this calculator use?

The calculator uses the following relationship: n = ln(1 + target×r/PMT) / ln(1+r).

Why might my result differ from another source?

Results can differ when another source uses different units, rounding rules, conventions or assumptions. Compare the inputs and definitions before comparing results.

Does the result update automatically?

Yes. Changing an input updates the result using the same calculation engine shown on this page.

Page information

Updated: October 7, 2026