Bullwhip Effect Calculator

Measure order variance amplification across the supply chain.

Consumer Demand Variance

Retailer Order Variance

Wholesaler Order Variance

Manufacturer Order Variance

Average Consumer Demand

Lead Time

periods

Tab to move between fields

Total Bullwhip Ratio

Retailer Amplification1.6

Wholesaler Amplification3

Manufacturer Amplification6

Demand CV0.02

Theoretical Amplification1.01

Excess Inventory Cost Index324.12

How to Use This Calculator

Enter the coefficient of variation of end-customer demand.
Set the order lead time in periods.
Input the number of supply chain tiers.
Review the amplification ratio showing how demand variability grows upstream.
Reduce the bullwhip effect by sharing point-of-sale data, shortening lead times, and smoothing order batching.

Ad Placeholder

Related Calculators

Forecast demand using moving average, weighted MA, and exponential smoothing.

Calculate buffer inventory needed to prevent stockouts.

Calculate inventory turnover ratio and days to sell. Measure how efficiently your business manages inventory.

Ad Placeholder