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Samengestelde-rentecalculator
Bekijk hoe spaargeld kan groeien met jaarlijkse samengestelde rente.
Estimated ending value
US$ 67.932,91- Total contributions
- US$ 40.000,00
- Estimated interest
- US$ 27.932,91
- Inflation-adjusted value
- US$ 67.932,91
- Contribution needed for target
- US$ 151,98 per selected contribution period
■ Contributions■ Interest
Estimate only. Rates are not forecasts. Taxes, fees and changing returns are excluded. Inputs and results stay on this device.Verification and calculation details
- Purpose
- Bekijk hoe spaargeld kan groeien met jaarlijkse samengestelde rente.
- Variables and units
- Use the labelled fields and units shown in the calculator. Results use those units unless a conversion is stated.
- Formula and method
- The exact formula and worked example are shown below. Deterministic formula executed locally in the browser.
- Assumptions
- Only entered values and stated assumptions are included. Local fees, rules and professional requirements are excluded unless explicitly shown.
- Engine version
- 1.0.0
- Production verification baseline
- Release 63 · source
998803f - Verification run
release-v63-2026-09-20- Last verified
- — Automated release checks passing
Read the Calculation Standard · Report a calculation or source issue
Compare compound-interest scenarios
Change one assumption at a time to see how rate and time affect the estimate.
| Scenario | Assumption | Ending value | Difference |
|---|---|---|---|
| Rate 1 point lower | 7% | US$ 63.367,82 | −US$ 4.565,10 |
| Current inputs | 8% | US$ 67.932,91 | — |
| Rate 1 point higher | 9% | US$ 72.892,14 | +US$ 4.959,23 |
| Five more years | 15 years | US$ 119.578,77 | +US$ 51.645,86 |
Year-by-year projection
The table is graph-ready: each row separates contributions, interest and inflation-adjusted value.
| Period | Contributions | Interest | Ending value | In today’s money |
|---|---|---|---|---|
| Year 1 | US$ 13.000,00 | US$ 942,48 | US$ 13.942,48 | US$ 13.942,48 |
| Year 2 | US$ 16.000,00 | US$ 2.212,18 | US$ 18.212,18 | US$ 18.212,18 |
| Year 3 | US$ 19.000,00 | US$ 3.836,26 | US$ 22.836,26 | US$ 22.836,26 |
| Year 4 | US$ 22.000,00 | US$ 5.844,14 | US$ 27.844,14 | US$ 27.844,14 |
| Year 5 | US$ 25.000,00 | US$ 8.267,67 | US$ 33.267,67 | US$ 33.267,67 |
| Year 6 | US$ 28.000,00 | US$ 11.141,35 | US$ 39.141,35 | US$ 39.141,35 |
| Year 7 | US$ 31.000,00 | US$ 14.502,55 | US$ 45.502,55 | US$ 45.502,55 |
| Year 8 | US$ 34.000,00 | US$ 18.391,72 | US$ 52.391,72 | US$ 52.391,72 |
| Year 9 | US$ 37.000,00 | US$ 22.852,69 | US$ 59.852,69 | US$ 59.852,69 |
| Year 10 | US$ 40.000,00 | US$ 27.932,91 | US$ 67.932,91 | US$ 67.932,91 |
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