Price Sensitivity Calculator

Price rises 10% (20 to 22), volume drops 15% (100 to 85) = elasticity -1.5. Values below -1 mean demand is elastic (price changes hit volume hard). Above -1 (closer to zero) means inelastic (price changes don't affect demand much). Useful for understanding pricing decisions.

Run it with sensible defaults

Using old price of 20, new price of 22, old volume of 100, new volume of 85, the calculation works out to -1.50. The defaults are meant as a starting point, not a recommendation.

The levers in this calculation

The inputs — Old Price, New Price, Old Volume, and New Volume — do not pull with equal force.

How the math works

Standard price elasticity of demand formula. Negative values are typical (higher price = lower demand).

Worked example

A retailer increases the price of a product from 50 to 60 units of currency (a 20% increase). Sales volume falls from 1,000 units to 850 units (a 15% decrease). Plugging these figures into the calculator:

• Old Price: 50
• New Price: 60
• Old Volume: 1,000
• New Volume: 850

The result is an elasticity of approximately -0.75. Because this lies between 0 and -1, the demand is inelastic — the 20% price increase caused only a 15% volume drop. For this product, modest price rises have a relatively contained effect on sales.

When this metric matters

Price elasticity surfaces in several business contexts:

• Retail and e-commerce: Understanding whether a discount drives enough extra traffic to offset the lower margin.
• Subscription services: Testing whether a price hike retains or loses subscribers faster than expected.
• Perishable goods: Deciding how to price inventory that will expire, knowing demand sensitivity.
• Competitive markets: Gauging whether price cuts will gain market share or simply erode margins across the board.
• Product launches: Setting an opening price and predicting how volume will respond to later adjustments.

What the result captures and what it does not

The elasticity coefficient shows the historical relationship between price and volume based on two observed data points. It captures the magnitude of the volume response relative to the price change. It does not predict future outcomes, account for external factors (seasonality, competitor moves, marketing campaigns), or distinguish between short-term and long-term demand shifts. The calculation assumes the relationship is linear across the price range tested and that no other variables changed between the two observations.

Educational illustration: This calculator models price elasticity for learning and scenario exploration. Results are estimates based on the data entered and should be tested against real-world conditions before informing major pricing decisions.