Quick answer
Enter target, current savings, assumed return, and months.
Formula
Current savings grow first; contributions cover the remaining target.
Worked example
1,000,000 target over 60 months
The result estimates a monthly contribution.
Choose this tool when
Use this page to solve for a monthly contribution under an assumed return. It is not a forecast or investment recommendation.
Assumptions and limitations
- Returns are uncertain.
- 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.