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Economic Order Quantity (EOQ) Calculator

Finds the optimal number of units to order at a time, minimizing combined ordering and inventory-holding costs. Use it when reviewing purchase order policies or evaluating supply chain efficiency.

Annual Demand (units)

Ordering Cost per Order ($)

Holding Cost per Unit per Year ($)

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Economics

Present Value of Annuity Calculator

Find out what a series of equal future payments is worth in today's dollars. Use it to value pension streams, lease obligations, lottery payouts, or any fixed cash-flow schedule before making a financial commitment.

Payment Amount ($)

Discount Rate (%)

Number of Periods (periods)

Payment Timing

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Key differences

	Economic Order Quantity (EOQ) Calculator	Present Value of Annuity Calculator
Category	Economics	Economics
Inputs required	3	4
Result	Economic Order Quantity (units)	Present Value ($)
What it does	Finds the optimal number of units to order at a time, minimizing combined ordering and inventory-holding costs. Use it when reviewing purchase order policies or evaluating supply chain efficiency.	Find out what a series of equal future payments is worth in today's dollars. Use it to value pension streams, lease obligations, lottery payouts, or any fixed cash-flow schedule before making a financial commitment.