What this calculator does
Find out what you pay on a shipped Facebook Marketplace sale and what's left for you. This fee applies to shipped sales through Meta checkout, so that's the kind of sale this page covers.
The rule has two parts. The fee is 10% of the whole transaction, including shipping and tax. But it's never less than $0.80, and that minimum matters a lot on cheap items. We read this in Meta's checkout terms, modified May 26, 2026, on October 31, 2026.
Where it's used
Why this math matters outside the classroom:
- Bundling small items. A seller sees three $3 items pay $2.40 apart but only $0.90 as one $9 order.
- Pricing a shipped item. A home seller checks that a $50 item bought for $10 leaves $34.11 after the fee and shipping.
- Learning about minimums. A student sees why a $0.80 minimum makes the fee 26.7% of a $3 sale.
- Bookkeeping. A side seller records a $55 sale as $49.11 received plus a $5.89 fee.
How to use it
- Enter the item sale price and the shipping the buyer pays.
- Enter what shipping costs you and what you paid for the item.
- Enter the sales tax rate for your buyer.
- Enter any ad or boost fee, or leave it at 0.
- Read the fee, what you keep and your profit.
What the inputs mean
- Shipping the buyer pays
- Shipping counts toward the fee as well, so $5 of shipping adds $0.50.
- Sales tax rate
- The fee covers the whole transaction, so sales tax raises it. You don't keep that tax, but you do pay 10% on it.
- Ad or boost fee, if any
- If you pay to boost a listing, enter the percent. The calculator applies it to the price plus shipping.
Formula and method
order total = price + shipping + sales tax fee = order total × 10%, or $0.80 if that's more you keep = price + shipping − fee profit = you keep − shipping cost − item cost
The percentage is easy: 10% of everything the buyer pays. That includes the tax, which never reaches you.
The minimum works like a floor. If 10% comes to less than $0.80, you pay $0.80. That happens whenever the whole order is under $8. At exactly $8, both rules give the same $0.80.
Above $8, the minimum stops mattering and the 10% takes over.
Worked example
You ship a $50 item. The buyer pays $5 shipping and 7% sales tax. Shipping costs you $5, and you paid $10 for the item.
- Sales tax is $3.85, so the order total is $58.85.
- The fee is $58.85 × 10% = $5.89, after rounding. That's above the $0.80 minimum.
- You keep $55 − $5.89 = $49.11.
- Take off your costs: $49.11 − $5 − $10 = $34.11.
Result: The fee is $5.89 and your profit is $34.11, which is 68.2% of the $50 price.
Understanding the result
The minimum is the thing to watch. Take a $3 item with no shipping or tax. The fee is $0.80, and that's 26.7% of the price, not 10%. A $5 item pays the same $0.80, or 16%. A $20 item pays $2, which is the plain 10%.
Bundling beats the minimum. Three $3 items sold apart pay $0.80 each, or $2.40 in all. The same three sold as one $9 order pay $0.90. That saves $1.50 before you even count shipping.
Tax has a cost too. With no sales tax, the $50 example would pay $5.50. At 7%, it pays $5.89. So the $3.85 in tax costs you $0.39, and you never see that money.
Disputes can cost more than the fee. There's a $20 chargeback fee, charged when a buyer's bank reverses a payment. It's waived if you win through representment, which means sending your evidence to dispute the claim. On a $5 item, one chargeback would cost four times the sale.
Assumptions and limitations
- The sale is shipped and goes through Meta checkout.
- We use the 10% rate and $0.80 minimum from Meta's checkout terms, modified May 26, 2026.
- Sales tax is worked out on the price plus shipping, and the fee is rounded to the nearest cent.
- This is an estimate. Facebook's order details show the actual fee.
- Other Facebook pages show 5%, but those appear older or for a different program. If yours shows a different rate, trust your order details.
- The $20 chargeback fee isn't in the result.
- This page covers shipped sales through Meta checkout only.
Frequently asked questions
How much does Facebook Marketplace take on a shipped $50 sale?
With $5 shipping and 7% tax, the fee is $5.89. You keep $49.11 before your own costs.
Is the fee 5% or 10%?
We use 10%, from the checkout terms modified May 26, 2026. Other Facebook pages show 5%, but those appear older or for a different program. Your order details show what you actually paid.
When does the $0.80 minimum apply?
When the whole order is under $8, since 10% of that is less than $0.80.
Does the fee include sales tax?
Yes. It's charged on the whole transaction, including shipping and tax.
What's the chargeback fee?
It's $20, and it's waived if you win through representment. This calculator doesn't include it.
Sources
- Meta: Checkout terms (checked 2026-10-31)
How this calculator is checked
Method: Meta checkout terms (modified May 26, 2026), read 2026-10-31. Rates are in src/lib/finance/selling-fees.ts. The calculation is covered by automated tests with known reference values and edge cases. Last updated 2026-10-31. Found a problem? Tell us.
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