Free Online Commission Calculator

About the Commission Calculator

Sales commission is a variable payment tied to the value of what a salesperson sells. It can be a flat percentage of revenue, a percentage of gross profit, or a stepped structure that rewards larger deals with higher rates. This calculator supports a single flat rate and an optional progressive tier table, then adds any fixed base salary you enter. The result panel shows the commission, the total pay, and the effective rate, which is the commission divided by the sale amount. The effective rate is especially useful for checking a tiered plan, because the blended result is usually lower than the top marginal rate.

Flat-rate commission

In the simplest case, commission equals the sale amount multiplied by the commission rate. A 45,000 sale at 6% produces 2,700 of commission. If the salesperson also receives a base salary, total pay is the base salary plus the commission, while the effective rate remains based on the commission alone. Some employers calculate commission on margin instead of revenue; if that is your plan, enter the gross profit as the sale amount and the commission rate that applies to profit. Keep the basis consistent so the effective rate stays meaningful.

Progressive tiers

A progressive or marginal tier structure is similar to income tax. The first portion of the sale is paid at the first rate, the next portion at the second rate, and the remainder at the last rate. The tier table uses cumulative upper limits: with a first limit of 10,000 at 5% and a second limit of 25,000 at 7%, a 45,000 sale earns 5% on the first 10,000, 7% on the next 15,000, and 10% on the final 20,000. Leaving the final limit blank makes that tier open-ended. The breakdown table displays each band separately so the calculation is easy to audit.

Total pay and effective rate

Total pay combines commission with the optional base salary, but does not include bonuses, benefits, taxes, or deductions. The effective rate expresses commission as a percentage of the sale, which lets you compare plans with different tier structures at a glance. If the effective rate seems much lower than the top tier rate, that is expected: the higher rate applies only to the portion of the sale above the last threshold. Adjust the tier limits or rates to see how the plan behaves at different sales volumes.

Plan design and common adjustments

Real commission plans often add qualifiers. A quota may need to be reached before any payout begins, a deal may be split between two representatives, or a refunded order may trigger a clawback. Some employers use a draw against future commission, while others accelerate rates during a promotion. None of those adjustments are applied automatically here, so treat the result as the gross plan value before individual contract terms. When negotiating a role, ask how splits, returns, overdue invoices, and team targets affect the final payout, and request a worked example that matches a typical month.

Frequently asked questions