What is Square's online transaction fee?

Square charges 2.9% + $0.30 per online order on the free plan (2.6% + $0.30 on Square Plus).

Does Square charge a monthly fee for online stores?

Square offers a free tier with no monthly fee where you only pay per transaction.

2026 Fee Rates Updated

Calculate Square Online checkout and digital invoice processing fees (2.9% + $0.30) and net profit.

Marketplace / Platform

Sale Price ($)

Item Cost / COGS ($)

Shipping Charged ($)

Your Ship Cost ($)

Ad / Promo (%)

Estimated Net Profit

$0.00

Total Revenue $0.00

Platform & Processing Fees -$0.00

Ad / Promoted Fee -$0.00

Item + Shipping Cost -$0.00

Net Margin

0.0%

ROI

0.0%

Upload a CSV (`Name,Price,Cost`) to find which marketplace yields the highest profit per SKU.

Upload .CSV

Item / SKU	Price	Cost	Best Platform	Max Net Profit
Click "Load Sample CSV" or upload your product sheet.