Start with contribution, not revenue
Revenue tells you what the buyer pays. Contribution tells you what remains from that order after platform fees and the direct costs of making and delivering it. For promotion planning, this is the more useful baseline because it is the pool of money available to cover overhead and profit.
Order contribution = order total − platform fees − direct order costsDirect order costs can include materials, production, packaging, labor you choose to allocate, and postage you pay. Buyer-charged shipping is revenue; your actual shipping label is a cost. Keeping those two lines separate prevents a common pricing mistake.
A discount changes the item revenue. It does not automatically reduce your materials or postage. Some percentage fees fall because the order total falls, but fixed charges do not. That asymmetry is why a modest-looking sale can require a surprisingly large increase in unit volume.
The sales-lift formula
To earn the same total contribution after a promotion, divide the original contribution per order by the promotional contribution per order. Subtract one to express the result as an increase.
Required sales lift = original contribution ÷ promotional contribution − 1If the result is 0.5746, the required lift is 57.46%. At a baseline of 100 orders, the exact target is 157.46 orders. Because you cannot sell a fraction of an order in this model, you would need 158 total orders, or 58 extra orders, to meet or exceed the original total.
If promotional contribution is zero or negative, there is no finite sales target. More orders cannot recover the original profit; at a negative contribution, each additional order increases the loss. A useful calculator must show that boundary instead of displaying infinity or a misleading negative percentage.
A checkable 20%-off US example
Assume one US/USD Etsy Payments order with a $50 item, $20 product cost, no buyer-charged shipping, no seller shipping cost, no gift wrap, no ads, no regulatory operating fee and no tax adjustment. Include a $0.20 listing allocation, the 6.5% transaction fee and US payment processing at 3% + $0.25.
| Line | Full price | 20% seller-funded discount |
|---|---|---|
| Item and order total | $50.00 | $40.00 |
| Listing allocation | $0.20 | $0.20 |
| Transaction fee · 6.5% | $3.25 | $2.60 |
| Payment processing · 3% + $0.25 | $1.75 | $1.45 |
| Total Etsy fees | $5.20 | $4.25 |
| Product cost | $20.00 | $20.00 |
| Contribution per order | $24.80 | $15.75 |
The required lift is $24.80 ÷ $15.75 − 1 = 57.46%. A COGS-only model would compare $30 with $20 and produce 50%. Neither number predicts what the promotion will actually convert; the full-fee figure is simply the more complete break-even threshold for this order.
On the same assumptions, the threshold rises non-linearly as the discount deepens:
| Seller-funded discount | Contribution per order | Required unit-sales lift |
|---|---|---|
| 5% | $22.54 | 10.04% |
| 10% | $20.28 | 22.32% |
| 20% | $15.75 | 57.46% |
| 30% | $11.23 | 120.94% |
| 55% | −$0.09 | Not recoverable |
Why the complete fee stack matters
Etsy’s fee overview lists a $0.20 listing fee and a 6.5% transaction fee. The transaction-fee base includes item price, shipping charged to the buyer and gift wrap. Payment processing is separate and varies by bank-account country; its base includes shipping and applicable sales tax. A single hand-entered “Etsy percentage” cannot represent those fixed and conditional components across every order.
Fixed charges are especially important on lower-priced items. A discount reduces the percentage-based transaction and processing amounts, but the listing allocation and fixed processing amount stay constant in this per-order model. Country selection also matters: US processing is 3% + $0.25, UK processing is 4% + £0.20, and the covered Eurozone schedule is 4% + €0.30. Canada and Australia have different domestic and international processing rates.
Regulatory operating fees apply only in certain jurisdictions. Currency conversion, tax handling and account-specific charges need their own checks. Do not copy a US example into another currency by changing only the symbol; use the correct percentage, fixed amount and fee base for the account.
Seller-funded and Etsy-funded discounts are different
Etsy allows sellers to create sales and promo codes. Those seller-funded offers reduce the amount the buyer pays for your item and belong in this contribution comparison. Etsy also occasionally funds public or private coupons itself. According to Etsy’s guidance, when a buyer uses an Etsy-funded coupon, the seller still receives the full order amount and pays the same seller fees as on an order without that coupon.
Do not enter an Etsy-funded coupon as a seller discount. It does not create the same margin trade-off. Check the order details and promotion source before deciding which model applies. SellerMath’s discount calculator is explicitly scoped to offers funded by you.
Sales, promo codes, bundles and free shipping
Etsy’s promotion tools include sales, promo codes, discounted bundles and targeted offers. For seller-created promo codes, Etsy documents percentage discounts from 5% to 75% in whole numbers, fixed-amount discounts and free standard shipping. These product rules are not the same as the mathematical limits of the calculator, which allows boundary testing from 0% to 100%.
Stacking rules need care. If multiple sales apply to the same listing, Etsy says only the highest discount is used; do not add those percentages together. Bundle discounts do not stack with other sales and promotions. A buyer can, when eligible, use both a list-price discount and free shipping. In that case, model the item reduction and the removal of buyer-charged shipping separately while keeping your actual postage cost unchanged.
Free shipping is therefore not “free” in the contribution model. Buyer shipping revenue may fall to zero, but your label, packaging and fulfillment costs remain. The calculator’s free-shipping option changes only the buyer-charged shipping line.
Keep Offsite Ads as a conditional scenario
Offsite Ads applies to attributed orders, not automatically to every order. Etsy documents a 30-day attribution window, a 15% rate below the shop-revenue threshold and a 12% rate at or above it, with a $100 cap per attributed order. Shops at or above the threshold are required to participate on an ongoing basis.
When comparing a full-price order with a discounted order, use the same attribution assumption in both scenarios if you want to isolate the discount. Applying Offsite Ads only to the promotional side mixes two decisions and makes the required sales lift hard to interpret. The calculator applies your selected attribution setting to both sides and includes the cap.
What the break-even number cannot tell you
The required lift is a threshold, not a demand forecast. It does not tell you whether a sale will increase conversion, attract new buyers, clear inventory or generate repeat purchases. It also does not measure cannibalization: some discounted buyers might have purchased at full price anyway.
A clearance promotion can still be rational when it fails the preserve-profit test, because the alternative may be unsold inventory. A loss leader can also be deliberate when the rest of the basket carries enough contribution. Those are strategic choices that require more evidence than one order’s math. Treat the calculator as a guardrail that makes the trade-off visible, not as an automatic yes/no recommendation.
Frequently asked questions
Is required sales lift the same as revenue growth?
No. The target preserves total contribution, not revenue. Because each promotional order sells for less, revenue and unit volume grow at different rates. Use unit volume for this formula and check total contribution separately.
Why does the calculator show a maximum zero-contribution discount?
It identifies the point where the promotional order stops contributing anything before overhead and profit. It is a mathematical floor, not a recommended sale depth. A practical promotion normally needs a buffer for returns, overhead and uncertainty.
Does a 20% Etsy-funded coupon require 57.46% more sales?
No. That example concerns a seller-funded 20% discount under a specific US order model. Etsy says its funded coupons leave the seller with the full order amount and normal seller fees, so the seller-funded trade-off does not apply.
Should I include taxes?
Only with a jurisdiction-correct fee base and clear labels. Buyer sales tax, VAT on seller fees and income tax are different. The calculator excludes buyer sales tax and VAT on seller fees; excluding applicable sales tax can underestimate payment processing.
Can I use the tool for fixed-amount coupons?
Yes. Fixed-amount mode reduces only the item price down to a minimum of zero. Shipping charged and gift wrap remain separate, and the listing and fixed processing amounts do not scale with the coupon.
Official Etsy sources
Rules and rates checked October 30, 2026. Etsy’s current policy and your account terms take precedence if they differ.