Payment Processing Cost Calculator
Per-transaction cost across Stripe, Square, PayPal, etc.
Inputs
%
%
Results
Total monthly cost
$1,866.67
≈ 14 pairs of sneakers
Effective rate (%)
3.73%
Annual cost$22,400.00
Monthly transactions1,111
Percentage fees$1,450.00
Fixed per-tx fees$333.33
Chargeback costs$83.33
Cost per transaction$1.68
How to Use This Calculator
- Enter Monthly volume ($), Avg transaction ($), and Percentage fee (%).
- Set Fixed fee per tx ($), Monthly platform fee ($), and Chargeback rate (%).
- Adjust Chargeback fee ($) as needed.
- Review Total monthly cost ($) and Effective rate (%) (%).
- Use Annual cost ($) and Monthly transactions to inform your decision.
How the result changes with Monthly volume ($)
| Monthly volume ($) | Total monthly cost | Effective rate (%) |
|---|---|---|
| 10,000,000 | $373,333.33 | 3.73% |
| 35,000,000 | $1,306,666.67 | 3.73% |
| 65,000,000 | $2,426,666.67 | 3.73% |
| 90,000,000 | $3,360,000.00 | 3.73% |
What each input means
- Monthly volume ($)
- Total dollar amount of card transactions processed per month.
- Avg transaction ($)
- Average dollar amount per individual transaction.
- Percentage fee (%)
- Processor's percentage fee per transaction (e.g., 2.9% for Stripe/PayPal, 2.6% for Square).
- Fixed fee per tx ($)
- Fixed dollar amount charged per transaction (e.g., $0.30 for Stripe, $0.10 for Square).
- Monthly platform fee ($)
- Fixed monthly gateway or platform fee (e.g., $0 for Stripe, $79 for Shopify Advanced).
- Chargeback rate (%)
- Percentage of transactions resulting in chargebacks. Industry average is 0.5-1%.
- Chargeback fee ($)
- Fee charged per chargeback dispute (typically $15-25).
What each result means
- Total monthly cost
- All processing fees, platform fees, and chargeback costs combined per month.
- Effective rate (%)
- True all-in cost as a percentage of monthly volume — the number to compare across processors.
- Annual cost
- Projected total processing cost over 12 months.
- Monthly transactions
- Estimated number of transactions based on volume and average transaction size.
- Percentage fees
- Monthly cost from the percentage-based fee component.
- Fixed per-tx fees
- Monthly cost from fixed per-transaction fees.
- Chargeback costs
- Monthly cost from chargeback disputes.
- Cost per transaction
- Average total fee cost per individual transaction.
How this is calculated
Worked example, using the default values
- Identify Input Parameters4 parametersMonthly volume ($) = 50000, Avg transaction ($) = 45, Percentage fee (%) = 2.9, Fixed fee per tx ($) = 0.3 = 7 input(s) provided
- Calculate Total monthly costTotal monthly cost = processingCost + monthlyPlatformFee + chargebackCost1866.67 = $1,866.67
- Calculate Effective rateEffective rate = monthlyVolume > 03.733 = 3.733%
- Calculate Annual costAnnual cost = totalMonthlyCost * 1222400 = $22,400
- Calculate Monthly transactionsMonthly transactions = monthlyVolume / avgTransactionSize1111 = 1111
Engine last updated .
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