Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Economics
Loan Payment Calculator
Compute the periodic payment for a fully amortising fixed-rate loan from the principal, annual interest rate, term in years, and payment frequency. Returns the constant payment that pays off both principal and interest over the loan term.
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
| Loan Payment Calculator | Compound Interest Calculator | |
|---|---|---|
| Category | Economics | Economics |
| Inputs required | 4 | 3 |
| Result | Payment Amount ($) | Final Amount ($) |
| What it does | Compute the periodic payment for a fully amortising fixed-rate loan from the principal, annual interest rate, term in years, and payment frequency. Returns the constant payment that pays off both principal and interest over the loan term. | 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. |