← Back to All Tools

📈 Interchange-Plus Payment Processing Rate Calculator

Calculate true interchange-plus pricing vs flat-rate processors to find the most cost-effective option.

📝 Enter Your Numbers

📊 Your Results

Monthly Net After Processing
Total Monthly Processing Cost

📘 Complete Guide: Interchange-Plus Payment Processing Rate Calculator

Use this free calculator to instantly estimate your numbers. All calculations happen in your browser — no data is stored.

What is interchange-plus pricing?

Interchange-plus passes the actual interchange rate (set by Visa/Mastercard) plus a transparent markup from your processor. At high volumes, this is typically 0.5-0.8% cheaper than flat-rate pricing.

When does interchange-plus beat flat-rate?

Above approximately $10,000-$15,000/month in credit card volume, interchange-plus pricing becomes cheaper than Stripe's flat 2.9%. The savings compound at higher volumes.

Who offers interchange-plus pricing?

Helcim, Dharma Merchant Services, Payment Depot, and Stax all offer interchange-plus. Stripe offers it to high-volume merchants (above $80,000/month). Square does not offer interchange-plus.