Compare calculators
Both calculators run independently β 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.
Accounting
Return on Investment (ROI) Calculator
Compute the annualized return on an investment from its initial cost, final value, and the time it was held β putting investments of different durations on a common, comparable scale. Use it to evaluate whether a stock, real estate deal, or business investment outperformed alternatives like an index fund.
Fill in the required fields to see your result.
Key differences
| Loan Payment Calculator | Return on Investment (ROI) Calculator | |
|---|---|---|
| Category | Economics | Accounting |
| Inputs required | 4 | 4 |
| Result | Payment Amount ($) | Annualized ROI (%) |
| 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. | Compute the annualized return on an investment from its initial cost, final value, and the time it was held β putting investments of different durations on a common, comparable scale. Use it to evaluate whether a stock, real estate deal, or business investment outperformed alternatives like an index fund. |