Willingness to Pay Calculator
Analyse Van Westendorp price sensitivity data to find the acceptable price range, optimal price point, and point of marginal cheapness and expensiveness.
💭 Pricing📐 Van Westendorp: intersections of too cheap, cheap, expensive, and too expensive curves💼 Business
Too cheap threshold (median)
Cheap / good value (median)
Expensive but considerable (median)
Too expensive (median)
Your current price
Please enter valid values.
Formula & Reference
| Variable | Symbol | Formula | Units |
|---|---|---|---|
| Willingness to Pay Calculator | — | Van Westendorp: intersections of too cheap, cheap, expensive, and too expensive curves | currency |
Step-by-Step Examples
Example 1
Standard Analysis
Too cheap 18, cheap 32, expensive 58, too expensive 79, current price 49.
- Acceptable range = 32 to 58
- Optimal price point = (18 + 79) / 2 = 48.50
- Indifference price point = (32 + 58) / 2 = 45.00
- Current price 49 sits within the acceptable range
✓ Optimal 48.50, current 49 well positioned
Example 2
Underpriced
Too cheap 18, cheap 32, expensive 58, too expensive 79, current 24.
- Current price 24 is below the 32 cheap threshold
- Below the acceptable range — may signal poor quality
- Substantial margin is being left unclaimed
✓ 24 is below the acceptable range
Example 3
Overpriced
Same thresholds, current price 85.
- 85 exceeds the too-expensive threshold of 79
- Most respondents would reject at this price
- Significant resistance expected
✓ 85 is above the too-expensive point
Real-World Applications
Structured Price Research
Van Westendorp turns qualitative price perception into a defined acceptable range using four simple survey questions.
New Product Pricing
It is particularly useful where no direct comparison exists and cost-plus or competitor-based pricing offers no guidance.
Range Not Point
The output is a range of acceptable prices, which is more honest than any method claiming a single correct price.
Customer Language
The four questions are phrased in terms customers can answer intuitively, unlike direct willingness-to-pay questions.
Common Mistakes to Avoid
⚠️
Treating the optimal price point as definitive
Van Westendorp indicates acceptable ranges from stated preference. Actual purchase behaviour frequently differs from what people say in surveys.
⚠️
Using too small or unrepresentative a sample
The method relies on medians across a meaningful sample of genuine target customers. Small or biased samples produce misleading intersections.
⚠️
Ignoring that stated and revealed preference differ
People systematically overstate price sensitivity in surveys. The results should inform testing, not replace it.
Frequently Asked Questions
What is the Van Westendorp method? ▾
A price sensitivity technique asking four questions — at what price is this too cheap, cheap, expensive, and too expensive — then finding where the resulting curves intersect.
What is the optimal price point? ▾
The intersection of the too cheap and too expensive curves, where the proportion rejecting on either ground is balanced.
What is the indifference price point? ▾
Where the cheap and expensive curves cross — often interpreted as the price the median respondent considers normal for the category.
How reliable is this method? ▾
It gives a useful starting range but relies on stated preference, which typically overstates price sensitivity. Live price testing is more reliable where feasible.
How large a sample is needed? ▾
Enough to produce stable medians from genuine target customers — commonly a few hundred respondents, though this varies with market heterogeneity.