Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Economics
Price Elasticity Calculator
Compute the price elasticity of demand — the percentage change in quantity demanded divided by the percentage change in price. Tells you whether buyers are sensitive to price changes (elastic) or stick with their purchases regardless (inelastic).
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 — 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
| Price Elasticity Calculator | Return on Investment (ROI) Calculator | |
|---|---|---|
| Category | Economics | Accounting |
| Inputs required | 4 | 4 |
| Result | Price Elasticity of Demand | Annualized ROI (%) |
| What it does | Compute the price elasticity of demand — the percentage change in quantity demanded divided by the percentage change in price. Tells you whether buyers are sensitive to price changes (elastic) or stick with their purchases regardless (inelastic). | Compute the annualized return on an investment from its initial cost, final value, and the time it was held — 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. |