EOQ Calculator
Economic order quantity and cycle cost.
Enter your values
Enter the annual demand in units.
Enter the cost per order in $.
Enter the holding cost per unit/yr in $.
Results update instantly as you type — no submit needed. Your values are remembered on this device, and the shareable link reopens the calculator with exactly these numbers.
- Economic order quantity
- 1,095
- Orders per year
- 21.9
- Total annual cost
- $3,724.51
- Days between orders
- 16.7
Quick answer
EOQ is the order size where ordering costs and holding costs are balanced.
EOQ = √(2DS ÷ H)
At a glance
| What it does | Economic order quantity and cycle cost. |
|---|---|
| Category | Business |
| Inputs needed | Annual demand, Cost per order, Holding cost per unit/yr |
| Main output | Economic order quantity |
| Formula | EOQ = √(2DS ÷ H) |
| Cost | Free — no sign-up, no download |
How to use the EOQ Calculator
- 1Enter annual demand in units.
- 2Enter the fixed cost of placing an order.
- 3Enter annual holding cost per unit.
Inputs explained
- Annual demand(units)
- Enter the annual demand in units.
- Cost per order($)
- Enter the cost per order in $.
- Holding cost per unit/yr($)
- Enter the holding cost per unit/yr in $.
Worked example
Using the values the calculator loads with:
Inputs
- Annual demand24000 units
- Cost per order85 $
- Holding cost per unit/yr3.4 $
Results
- Economic order quantity1,095
- Orders per year21.9
- Total annual cost$3,724.51
- Days between orders16.7
Frequently asked questions
Does EOQ handle discounts?
Not directly — compare EOQ cost against discounted bulk order cost.
Is EOQ still relevant?
Yes, as a baseline before layering on lead time and MOQ constraints.
What do I need to enter into the EOQ Calculator?
Just 3 values: annual demand, cost per order, holding cost per unit/yr. Every field starts with a realistic example, so you can change one number at a time and watch the result update instantly.
How does the EOQ Calculator work out the answer?
EOQ is the order size where ordering costs and holding costs are balanced. It applies the formula EOQ = √(2DS ÷ H) and shows the working so you can check each step by hand.
Is the EOQ Calculator free, and do I need an account?
It is completely free with no sign-up, no download and no usage limit. Everything is calculated in your browser, so the numbers you type never leave your device.
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.