How to Calculate Affiliate Commission — Free Calculator

Q: How do you calculate affiliate commission?

For a percentage model, multiply the attributed sale amount by the commission rate (as a decimal). Example: a $200 sale at 15% pays $200 × 0.15 = $30. For a fixed model, multiply the payout per conversion by the number of qualified conversions.

Q: What is a fixed affiliate commission?

A fixed commission pays the same amount for each qualified conversion (sale, signup, or lead), regardless of order value. Total payout = fixed amount × number of conversions.

Q: Does this calculator include taxes or platform fees?

This tool estimates gross affiliate commission from sale amount and rate. Net payouts may differ if your program deducts payment fees, taxes, or refunds—check your program rules and accounting policies.

Interactive affiliate commission calculator

Choose a model, enter your numbers, and see commission per conversion and total commission for the period.

Sale amount (revenue per order)

Use the order value attributed to the affiliate (before their commission).

Commission rate

Number of qualified conversions

Count sales or leads in the period you are estimating.

Results

Commission per conversion: $19.80
Total commission (1×): $19.80

Formula: sale × (rate ÷ 100) = $19.80 per sale.

Affiliate commission formulas

Affiliate commission is what you pay partners when their referral drives a qualified outcome— usually a sale, but sometimes a lead or trial. The calculation depends on how your program is structured.

Percentage of sale (revenue share)

This is the most common model for SaaS and e-commerce. You agree on a rate (for example 20%) applied to the order value attributed to the affiliate.

Commission per sale = sale amount × (commission rate ÷ 100)
Total commission = commission per sale × number of qualified sales

Example: $150 sale at 12% → $150 × 0.12 = $18.00 per order. Ten such sales → $180.00 total.

Fixed amount per conversion (CPA)

Some programs pay a flat fee per signup, lead, or sale. Here the order size does not change the payout (unless you use tiers, which this simple calculator does not model).

Total commission = fixed payout × number of qualified conversions

What affects “real” commission in practice

The calculator shows gross commission from your inputs. In live programs, net payouts may differ because of refunds, chargebacks, VAT, payment processor fees, or minimum payout thresholds. Always align calculations with your affiliate agreement and finance rules.

Run your program on autopilot

Refindie helps creators launch affiliate programs, track conversions, and pay partners without spreadsheets. Get started or explore features on the homepage.

FAQ

How do you calculate affiliate commission?

For percentages, multiply the sale amount by the rate (as a fraction of 100). For fixed payouts, multiply the per-conversion amount by the number of qualified conversions.

What is the formula for percentage-based affiliate commission?

Commission per sale = sale amount × (commission rate ÷ 100). Total = per-sale commission × number of sales in the period.

What is a fixed affiliate commission?

A set dollar amount per conversion, often used for CPA campaigns. Total = fixed amount × conversions.

Does this calculator include taxes or platform fees?

No—it estimates gross commission from sale amount and rate. Adjust for fees, taxes, and refunds per your policy.