Business & Commerce
Intermediate
Economic Order Quantity (EOQ)
The order size that minimizes total inventory ordering and holding costs.
Formula
Variables
EOQOptimal order quantity
DAnnual demand
SCost per order
HHolding cost per unit/yr
Example
D=10000, S=$50, H=$5: EOQ ≈ 447 units
Did You Know?
EOQ, derived in 1913, is one of the oldest operations-research formulas still used in supply chains today.