Dynamic Pricing Calculator
Calculate optimal price adjustments based on price elasticity of demand and see projected revenue impact.
Results
Visualization
How It Works
Dynamic pricing uses price elasticity of demand to predict how changes in price affect quantity sold and total revenue or profit. Elasticity measures how sensitive your customers are to price changes — a product with elasticity of -1.5 will see a 15% drop in units sold for every 10% price increase. Understanding your product's elasticity lets you find the price that maximizes either revenue or profit.
The Formula
Variables
- Price Elasticity (E) — How many percent units sold changes for each 1% change in price; typically negative (price up, demand down)
- Elastic Demand — Elasticity more negative than -1 (e.g., -2): customers are price-sensitive; price increases hurt volume a lot
- Inelastic Demand — Elasticity between -1 and 0 (e.g., -0.5): customers are price-insensitive; you can raise prices without losing much volume
- Unit Elasticity — Elasticity exactly -1: revenue stays constant at any price change
Worked Example
Current price: $49.99, 200 units/month, COGS $15, elasticity -1.5. Raise price by 10% to $54.99. Demand change = -1.5 × 10% = -15%. New units = 200 × 0.85 = 170. New revenue = $54.99 × 170 = $9,348 vs. $9,998 currently — revenue falls. But profit = ($54.99 − $15) × 170 = $6,798 vs. ($49.99 − $15) × 200 = $6,998 — profit also falls slightly. The profit-maximizing price here would be around $43–$45.
Practical Tips
- Estimate your price elasticity by running A/B price tests on a segment of your traffic — a 10–15% price change held for 2–4 weeks gives statistically meaningful data.
- Luxury and branded products often have elasticities closer to 0 (inelastic), meaning you can raise prices with minimal volume loss — a major competitive advantage.
- If your elasticity is between 0 and -1 (inelastic), raising prices always increases revenue — you are almost certainly underpriced.
- Use dynamic pricing seasonally: raise prices during peak demand periods (holidays, back-to-school) when demand is more inelastic and lower them in slow periods to maintain volume.
- Never use pure revenue maximization as your goal — optimize for profit by including COGS in your calculation, since maximum revenue and maximum profit rarely occur at the same price.
Frequently Asked Questions
What is price elasticity of demand?
Price elasticity of demand measures how much the quantity demanded of a product changes in response to a price change. If the elasticity is -2.0, a 10% price increase leads to a 20% drop in quantity sold. Products with many substitutes (commodity goods, basic apparel) tend to be more elastic, while unique or essential products are more inelastic.
How do I estimate my product's price elasticity?
The most reliable method is A/B price testing — show different prices to different customer segments and measure conversion rates. You can also observe historical data: if you lowered your price 20% last year and units sold increased 30%, your elasticity is approximately -1.5. For rough estimates, most consumer goods fall between -1.0 and -2.5.
What elasticity value should I use if I don't know mine?
A commonly used default for consumer goods is -1.5 to -2.0, meaning demand is moderately elastic. Essentials like basic food and utilities are often closer to -0.2 to -0.5. Luxury goods and strong brands are often -0.5 to -1.0. Commodities and highly competitive categories can be -3.0 or more. Start with -1.5 as a reasonable midpoint.
If I raise prices, will I always make less money?
Not necessarily. If your demand is inelastic (elasticity between 0 and -1), raising prices increases revenue and usually increases profit too, since you lose few customers. Only when elasticity is more negative than -1 does a price increase cause revenue to fall. And even with elastic demand, raising prices can still increase profit if the higher margin per unit more than compensates for lost volume.
What is the profit-maximizing price?
The profit-maximizing price is derived from marginal revenue equals marginal cost. For a constant elasticity demand curve, it simplifies to: Price = Unit Cost / (1 + 1/Elasticity). This formula breaks down at elasticities greater than -1 (inelastic), where the theoretical optimum is to raise price indefinitely — in practice, market and competitive constraints cap this.