Tonga Savings Goal Calculator
Free Tonga savings goal calculator with country-specific defaults and clear step-by-step results.
About Tonga Savings Goal Calculator
Works out how many months of regular deposits (earning compound interest) it takes to reach a savings goal.
Formula
Formula
Future value = PMT × ((1 + i)^n − 1) / i, solved for n
Assumes a fixed interest rate with monthly compounding.
Frequently Asked Questions
How does this calculator work?
Works out how many months of regular deposits (earning compound interest) it takes to reach a savings goal.
Are the figures specific to Tonga?
Setting a concrete timeline for a goal makes it achievable — you can see exactly what each month's deposit does.
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Tonga specifics
- Currency
- TOP
- Region
- Oceania
- Country code
- TO
- Amounts look like
- T$1,234,567.89
- Dates look like
- 9 Mar 2026
- Units
- metricWeek starts Monday
Results on this page are expressed in TOP. Figures are estimates for general planning — confirm current rates and thresholds with the relevant Tonga authority before relying on them.