Stripe Fee Calculator Guide: How Payment Processor Fees Work
Payment processor fees directly impact your margins. This guide explains how Stripe, PayPal, and Square fee structures work, how to calculate true cost per transaction, and how to compare processors before you commit. Use our Stripe Fee Calculator to see exact fees for any transaction size.
How Stripe Fees Work
Stripe charges 2.9% + $0.30 per successful card charge for domestic cards. International cards cost 3.9% + $0.30. Premium cards (corporate, rewards) may incur additional fees. The fixed $0.30 portion is not returned on refunds.
Example: A $100 domestic sale costs $3.20 in fees (2.9% of $100 = $2.90, plus $0.30). You net $96.80. A $10 sale costs $0.59 in fees (5.9% effective rate). A $500 sale costs $14.80 (about 3% effective). Understanding this helps you set minimum order values and avoid margin erosion.
Use our Stripe Fee Calculator to see exact fees for any transaction size. For subscription billing, use Subscription Billing Fee Calculator.
Comparing PayPal vs Square vs Stripe
PayPal and Square each have different rate structures. In-person vs online transactions often differ. Volume and card mix can change which processor is cheapest for your business.
- Stripe: 2.9% + $0.30 online; in-person rates vary by region
- PayPal: 2.9% + $0.30 for most domestic; 4.4% + fixed fee for international
- Square: 2.6% + $0.10 in-person; 2.9% + $0.30 online
Use our Multi-Processor Comparison to enter your typical transaction sizes and see side-by-side net proceeds. For Shopify-specific fees, use Shopify Payments Calculator.
Pricing for Impact
Small transactions are hit harder by the fixed fee. A $5 sale costs $0.45 in Stripe fees (9% effective rate). A $500 sale costs $14.80 (about 3% effective). Understanding this helps you set minimum prices and avoid margin erosion.
Use our Break-even Transaction Size calculator to find the minimum transaction size to cover fees and desired margin. Combine with Profit Margin Calculator to ensure pricing works.
Refunds and Chargebacks
Stripe refunds the percentage portion of fees but not the fixed $0.30. So a refunded $100 sale still costs you $0.30. High refund rates can add up. Use our Refund Impact Calculator to model the effect.
Chargebacks cost more: typically $15–25 per dispute plus the lost amount. Use Chargeback Cost Calculator to estimate true cost at different chargeback rates.
Mini Case Study
An ecommerce seller with $15,000 monthly revenue and average order value of $75:
- 200 transactions/month × $3.47 (2.9% + $0.30 on $75) = $694 in Stripe fees
- Effective rate: 4.6% of revenue
- If they switched to Square in-person (2.6% + $0.10): $392/month — but only if they have a physical terminal
By raising minimum order to $50 and using Stripe Fee Calculator to model, they could reduce effective rate to ~3.5%. Small changes compound.
FAQ
What is Stripe's fee for international cards?
Stripe charges 3.9% + $0.30 for international cards. Use our Stripe Fee Calculator to see exact fees for your transaction mix.
Do I get the $0.30 fee back on refunds?
No. Stripe refunds the percentage portion but not the fixed $0.30. Our Refund Impact Calculator shows how refunds affect your net.
Which processor is cheapest for small transactions?
It depends on your volume and mix. Use our Multi-Processor Comparison to enter your typical transaction sizes and compare net proceeds.
How do I calculate effective rate for my pricing?
Effective rate = (total fees ÷ transaction amount) × 100. Our Stripe Fee Calculator shows this automatically for any amount.
Should I pass Stripe fees to customers?
Some businesses add a surcharge; others bake it into pricing. Check your state and card network rules. Use our calculator to model both approaches.
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