Finance calculator

Compound Interest Calculator

Estimate future value with periodic compounding.

Last reviewed: 10 September 2026

Enter details

Calculation result
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Calculated in your browser. Values are not sent to ThaiUtility.

Quick answer

Enter principal, rate, years, and frequency.

Formula

Future value = principal × (1 + rate ÷ periods)^(periods × years).

Worked example

100,000 baht at 5% for 10 years

The result shows future value and interest.

Choose this tool when

Use this page to model one lump sum with periodic compounding. Use Savings Goal when regular monthly contributions must be solved.

Assumptions and limitations

  • Returns are not guaranteed.
  • Check contract terms, fees, rounding rules, and current requirements before making an important decision.

Official sources

Last reviewed: 10 September 2026

Review again when the responsible authority changes the rule, rate, or effective period, or when this calculator's assumptions change.

Check the current Thai text and effective dates before relying on a result for tax, billing, employment, or legal purposes.