Volume Tier Discount Calculator

Enter the quantity and unit price to see your volume discount.

Result

$2,550.00
15.00%
$21.25
$450.00

How it is calculated

The discount is picked from fixed quantity bands: under 10 units 0%, 10 to 49 units 5%, 50 to 99 units 10%, 100 to 499 units 15%, and 500 or more 20%. The band is chosen by the whole order quantity and applies to every unit, not just the units above the threshold. Then final unit = unit price × (1 − discount / 100), total = quantity × final unit and savings = quantity × unit price × discount / 100. Amounts are in dollars. Quantity must be above zero and the unit price cannot be negative. These bands are built into the tool; your supplier's actual price breaks may differ.

Worked example

An order of 120 units at a list price of $25. 120 falls in the 100 to 499 band, so the discount is 15%. Final unit price: 25 × (1 − 0.15) = $21.25. Total: 120 × 21.25 = $2,550.00. Without the discount the order would cost 120 × 25 = $3,000.00, so the savings are $450.00.

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Common mistakes

  • Expecting the discount to apply only above the threshold. Here the whole order gets the band's rate, so 120 units are all priced at 15% off, not just the units over 100.
  • Ignoring the cliff at each break. 49 units at $25 cost $1,163.75 but 50 units cost $1,125.00, so ordering one extra unit is cheaper than stopping just below the break.
  • Entering the unit price after tax or shipping. The discount is applied to the price you type, so enter the list price before extras.
  • Assuming these bands match a real supplier's table. They are fixed in the tool at 10, 50, 100 and 500 units, so check them against the actual quote.

About this calculator

A volume tier discount (or quantity-break pricing) lowers the per-unit price once an order crosses a defined quantity threshold. This calculator uses a fixed schedule: no discount under 10 units, 5% off from 10 to 49, 10% from 50 to 99, 15% from 100 to 499, and 20% from 500 units. It takes the ordered quantity and base unit price, applies the matching tier's discount percentage, and returns the discounted unit price, total cost, and total savings versus paying full price throughout.

Tiered pricing is a standard tool in B2B sales, wholesale distribution, and manufacturing procurement, where suppliers use it to reward larger orders that reduce per-order handling costs, and buyers use it to decide whether bulking up an order across a price break actually saves money. Purchasing managers and e-commerce merchants also use tier calculators to model discount schedules before publishing them to customers.

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Comments (1)

  • Editorial team

    Use it to find where bulking up stops paying. At a unit price of 25, 90 units cost 2,025 while 100 units cost 2,125, only 100 more for ten extra units, and 99 units would cost 2,227.50. Before ordering to reach a break, weigh the cost of storing and tying up cash in the extra stock. The bands are fixed in the tool, so what price breaks does your supplier actually offer?

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