Payment Gateway Fee Calculator | Stripe & PayPal Engine

💳 Payment Gateway Fee Engine

Calculate the exact deduction taken by payment gateways per transaction processed. Evaluate net revenue and processing overhead dynamically.

🏦 Merchant Processing Modeler

Gateway Provider (Auto-Fill)

Volume Projection Unit

Transaction Details

Gross Invoice Amount

Percentage Fee

Fixed Fee

Expected Transaction Volume

Txns

Revenue & Deductions Summary

TOTAL NET REVENUE (IN POCKET)

Total Gross minus all Processing Fees

Total Processing Fees

Effective Fee Rate

Per Transaction Breakdown

Net Kept (0%)

Gateway Fee (0%)

Total Fee Impact Across Scales

Transaction Volume Sensitivity Matrix

# of Transactions	Gross Revenue	Gateway Fees	Net Revenue

Merchant Mathematics Core: $$Fee = (Gross \times \frac{Rate}{100}) + Fixed\ Fee$$ $$Effective\ Rate = \left(\frac{Total\ Fees}{Total\ Gross}\right) \times 100$$

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