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Understanding Payment Processing Fees: Stripe, PayPal, and More

Payment processing fees add up. Learn how to calculate them accurately and factor them into your pricing Strategy.

2026-04-19·5 min read·By convrto Team

Every business that accepts online payments loses money to processing fees. Understanding these fees helps you price correctly and maximize profits.

Common Payment Processors

Stripe

  • Card fees: 2.9% + $0.30 per transaction
  • International: Additional 1%
  • ACH: 0.8% (up to $5)
  • Wire: $2 (outgoing only)

PayPal

  • Standard: 2.9% + $0.30 per transaction
  • Micropayments: 5% + $0.05
  • International: Additional 1.5%
  • eCheck: 1% ($0.99 - $4.99)

Square

  • In-person: 2.6% + $0.10
  • Online: 2.9% + $0.30
  • Keyed in: 3.5% + $0.15

Calculating Processing Fees

Simple Transaction

$100 sale × 2.9% = $2.90
+ $0.30 fixed fee
= $3.20 total fee

Monthly Volume Savings

Many processors offer volume discounts:

  • Stripe: 2.9% → 2.5% at $5,000/month
  • Square: Custom pricing at high volume

Hidden Fees to Watch

Chargeback Fees

  • Stripe: $15 per chargeback
  • PayPal: $20 per case
  • Many processors: $20-25

Monthly Fees

  • Some processors: $0
  • Others: $10-30/month
  • Premium features often require paid plans

Account Setup

  • Most: Free
  • Some: One-time $0-250

Refund Fees

  • Stripe: No refund fee + keep the $0.30
  • PayPal: Refund fee varies by original payment type

Factoring Fees Into Pricing

Option 1: Absorb the Cost

Include processing in your pricing:

Cost × 1.03 = Price (to cover 3% fees)

Option 2: Surcharge Customers

Common with B2B:

  • Add 2.9% for credit cards
  • Offer 2% discount for ACH/check

Option 3: Build Buffer

Price with built-in margin:

  • Add 3-5% to account for fees, returns

B2B Specific Considerations

Invoice Payments

  • ACH is often cheaper
  • Save 2-3% vs. cards
  • Takes 1-5 business days

High-Ticket Sales

  • ACH or wire saves significantly
  • Flat fee for large amounts
  • Example: $10,000 sale = $290 (card) vs $2 (ACH)

Recurring Revenue

  • ACH directly from bank
  • Lowest processing fees
  • Build into subscription pricing

Using the Payment Fee Calculator

Our Payment Fee Calculator helps you:

  1. Enter your transaction amounts
  2. Select your processor
  3. See exact fees for different scenarios
  4. Calculate savings with different methods

Compare Stripe vs PayPal vs Square to find the best deal.

Reducing Processing Fees

Accept ACH Payments

  • Save 2%+ per transaction
  • Perfect for B2B invoices

Use Invoicing

  • Send payment links
  • Payment terms (Net 30)
  • Reduces processing costs

Require Security Deposits

  • Pre-authorization holds
  • Verifies ability to pay

Bundle Services

  • Package add-ons
  • Higher ticket = proportionally lower fees

Quick Reference

| Processor | Card Fee | Best For | |----------|---------|---------| | Stripe | 2.9% + $0.30 | Most businesses | | PayPal | 2.9% + $0.30 | Consumer sales | | Square | 2.9% + $0.30 | In-person + online | | ACH | 0.8% | High-ticket B2B |

Key Takeaways

  • Factor fees into pricing
  • Consider ACH for large amounts
  • Track total processing costs
  • Use volume discounts

With accurate calculations, you can build processing fees into your business model and maintain healthy profit margins.

Try the Tool

Put this into practice with our free tool.

Launch B2B Tool →