Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Financial
Future Value Calculator
Project what a lump sum plus regular yearly contributions will grow to at a given rate of return. Use it to forecast investments, savings plans, and retirement balances.
Fill in the required fields to see your result.
Economics
Compound Interest Calculator
Project the future value of a lump-sum investment when interest is reinvested each year using A = P · (1 + r)ᵗ. The simplest compounding model — assumes annual compounding, a constant rate, and no additional contributions or withdrawals.
Fill in the required fields to see your result.
Key differences
| Future Value Calculator | Compound Interest Calculator | |
|---|---|---|
| Category | Financial | Economics |
| Inputs required | 4 | 3 |
| Result | Future Value ($) | Final Amount ($) |
| What it does | Project what a lump sum plus regular yearly contributions will grow to at a given rate of return. Use it to forecast investments, savings plans, and retirement balances. | Project the future value of a lump-sum investment when interest is reinvested each year using A = P · (1 + r)ᵗ. The simplest compounding model — assumes annual compounding, a constant rate, and no additional contributions or withdrawals. |