Tiered Pricing Calculator: Price and Margin per Tier

Selling price per item

As in your store, for example 24.95

Cost per item (optional, for the margin)

Tiers

Tier 1: from how many itemsTier 1: discount in percent

Tier 2: from how many itemsTier 2: discount in percent

Tier 3: from how many itemsTier 3: discount in percent

Result

Quantity	Discount per item	Price per item	Customer pays	Margin per item	Extra items to break even
1 item, no discount	$0.00	$24.95	$24.95	$12.95	Baseline
from 3 items, 5%	$1.24	$23.71	$71.13 for 3 items	$11.71	+11%
from 5 items, 10%	$2.49	$22.46	$112.30 for 5 items	$10.46	+24%
from 10 items, 15%	$3.74	$21.21	$212.10 for 10 items	$9.21	+41%

Rounded down like Shopify's checkout: 5% of this price is $1.2475 on paper, $1.24 per item is what customers get.

How the calculator works

It does the math the way Shopify's checkout does. We checked this in a real Shopify checkout when we built the cart preview in Hand-E AI Discounts.

Discount per item, rounded down to the cent. Shopify calculates a percentage discount per item and cuts off the rest instead of rounding: 10% off $24.95 is $2.49, not $2.50. If you calculate with $2.50, you are off by $1.00 at 100 items.
The tier applies to every item. Someone buying 10 items gets the 10+ tier on all ten, not the small tier on the first few and the big one on the rest. That is how Shopify's minimum quantity and the app's Volume tiers both work.
Margin per item is the price after discount minus your cost. For a real margin, enter both prices without sales tax. Shipping, payment fees and returns are not part of the calculation.
Extra items to break even means: this many more items have to sell at this tier to earn the same gross profit as without the discount. The formula is discount per item divided by margin after discount, rounded up. With a $24.95 price, $12.00 cost and 10% off, the margin drops from $12.95 to $10.46, and you need 24% more items.
Nothing leaves your browser. The calculator runs entirely on this page. Your numbers are neither stored nor sent anywhere.

Setting up the tiers in Shopify

Shopify on its own knows one minimum quantity per discount, which means one tier. For three tiers you create three automatic discounts natively. How that works and where it gets tricky is in the guide Shopify tiered pricing.

What the terms mean is explained on What is a volume discount and Tiered pricing vs. volume pricing.

With the volume discount app Hand-E AI Discounts every tier lives in one discount, and the cart preview in the app does the same math as this calculator. On the product page, a widget shows the tiers before anyone adds to cart.

Common questions

What is a tiered discount?

A discount that grows with quantity, for example 5% from 3 items and 10% from 5 items. Once an order reaches a tier, Shopify applies that discount to every eligible item, not just the items above the threshold.

Why does Shopify give $2.49 off instead of $2.50?

Shopify calculates percentage discounts per item and rounds down to the cent. 10% of $24.95 is $2.495 on paper, and customers get $2.49. We measured this in a real checkout: 10% off $749.95 came to $74.99 per item.

Do I enter prices with or without sales tax?

For the margin, both without tax, because only then is the difference your gross profit. If you just want to see what customers pay per tier, use the price from your store. The percentage is the same either way; only the cents can differ by one because of the rounding down.

What does extra items to break even tell me?

How many more items you need to sell at a tier so that the same gross profit is left as without the discount. If it says +24%, you need 124 discounted items for every 100 you would sell at full price. Whether the tier gets you there only your sales can show.

Does the calculator store my numbers?

No. It calculates entirely in your browser. There is no account and no sign-up, and nothing you enter is sent anywhere.

Hand-E Notes

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Related guides

Multiple quantity breaks don't fit in one discount

In Shopify's discount form, you set one minimum purchase requirement with one value. So each discount has one threshold. For 10% off 5 or more items and 15% off 10 or more, you need two separate automatic discounts. Or you use an app that keeps every tier in one discount.

Quantity discount counts the wrong items together

A native Shopify discount with a minimum quantity of items adds up all the items it applies to. If each product should count on its own, with its variants added up, you need one native discount per product. Or you use volume tiers where you choose how items are counted.

Business customers need other price breaks than shoppers

Shopify's B2B volume pricing gives business customers fixed unit prices above a certain quantity, counted per variant. According to the changelog, it runs on Basic, Grow and Advanced since April 2026. Volume tiers from Hand-E AI Discounts give shoppers in your online store a percentage or fixed amount off. They can also count variants together.