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.
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
| Price Elasticity Calculator | Compound Interest Calculator | |
|---|---|---|
| Category | Economics | Economics |
| Inputs required | 4 | 3 |
| Result | Price Elasticity of Demand | Final Amount ($) |
| 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). | 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. |