Commission Calculator

About this Commission Calculator

The Commission Calculator multiplies a sales amount by a commission rate to estimate commission earnings. It can be used for sales roles, referral arrangements, marketplace fees and other percentage-based payouts.

Commission structures vary widely across industries and roles, from a flat percentage of every sale to tiered rates that increase once a salesperson crosses certain thresholds, so a simple single-rate commission calculation is often just the starting point.

For related tasks, try Sales Tax Calculator, Profit Margin Calculator or Percentage Calculator.

How the calculation works

Commission equals sales amount × commission rate ÷ 100. The calculator does not apply tiered rates, caps, taxes or bonuses unless you incorporate them into your inputs separately.

How to use it

1. Enter the eligible sales amount.
2. Enter the commission rate as a percentage.
3. Calculate to see the commission and amount remaining after commission.

Practical example

On sales of 20,000 at a 5% commission rate, commission is 1,000.

A salesperson earning a flat 5% commission on a 40,000 sale earns 2,000, but if their plan instead pays a tiered rate of 5% on the first 20,000 and 8% above that, the actual commission would be 2,600, notably more than the flat-rate calculation.

Things to double-check

Some commission plans are calculated on gross sales revenue while others are calculated on net profit after costs, which can produce very different commission amounts for the same sale; always confirm which base a commission rate applies to.

Flat versus tiered commission

A flat commission pays the same percentage on every sale, so 6 percent on 85,000 of sales is 5,100. Many employers use tiers instead, where a higher rate applies only to the part of sales above a threshold. A plan that pays 5 percent up to 50,000 and 8 percent above it would pay 2,500 on the first band and 2,800 on the remaining 35,000, a total of 5,300. The rate on the last unit of sales is called the marginal rate, and it matters for deciding whether extra effort is worth it. This calculator applies one rate, so for a tiered plan run each band separately and add the results.

What the commission is based on

Always check what your agreement applies the percentage to. It might be gross invoiced sales, payments actually received, profit after costs, or only certain product lines. Plans often include adjustments that a simple calculation will not show: refunded sales may be clawed back, so a 10,000 sale that is refunded would remove a 600 commission at 6 percent; shared deals may split the amount between people; and an advance or draw may be deducted before the balance is paid. Commission is normally taxable income, so the amount you receive after tax will be lower than the figure calculated here.

Using it to plan your targets

You can work backwards from the income you want. If you aim to earn 3,000 a month from commission at a 6 percent rate, you need 50,000 of monthly sales. If your plan also pays a base salary of 1,200, commission only has to supply 1,800, which is 30,000 of sales. Compare that target with your real sales history, including slow months, before you decide it is realistic. Seasonal businesses should look at the yearly average, not the best month. Where a plan has tiers or accelerators, note the threshold at which the rate improves, because small differences in sales near that point can change your pay noticeably.

Keeping your own records

If part of your income is commission, keep your own record of sales rather than relying only on the employer's statement. Note the date, customer, invoice number, amount and whether payment has been received. Compare each statement with your log, and look for sales that are missing, credited at the wrong rate or reduced by a cancellation you were not told about. Ask for the commission plan in writing, including how refunds, split deals and changes to rates are handled. Raising a mismatch early, with dates and figures, is far easier than trying to reconstruct months of sales later.

Comparing two pay plans

To compare plans, find the sales level where they pay the same. Suppose plan A pays a flat 5 percent and plan B pays a base of 1,000 plus 3 percent. They are equal when 1,000 plus 0.03 times sales equals 0.05 times sales, which gives sales of 50,000. Below that, plan B pays more, and above it plan A pays more. If your usual month is 35,000, plan B pays 2,050 against 1,750 for plan A. Think about how steady your sales are, since a base pay lowers risk in slow months, while a higher rate rewards strong months.

A worked example with a flat rate

A salesperson on a 6 percent flat commission sells goods worth 12,000, 18,500, 9,200 and 21,300 in four weeks. The total is 61,000, so the commission is 61,000 times 0.06, which is 3,660, or an average of 915 a week. If a 600 sale is returned in week five and the plan claws back commission on refunds, 36 is deducted from the next payment. Doing the sums weekly makes it easier to check the employer's statement, and it shows how much of your income is tied to a few large deals. Keep the invoice numbers beside each amount so that you can resolve any question quickly.

Tiered and accelerator plans explained

In a tiered plan, the rate rises as you pass sales thresholds. For example, 4 percent applies up to 30,000 of monthly sales, 6 percent from 30,000 to 60,000 and 8 percent above 60,000. At sales of 75,000, the commission is 1,200 on the first band, 1,800 on the second and 1,200 on the 15,000 above 60,000, a total of 4,200, which is an average rate of 5.6 percent. An accelerator is the same idea. Read the plan to see whether the higher rate applies to the whole amount or only to the part above the threshold, because the two designs pay very differently near the boundary.

Commission, base pay and how to compare jobs

When you compare two job offers, convert both to expected annual income using a realistic sales figure, not the best month. A role with a base of 24,000 and 3 percent commission on sales of 400,000 pays 36,000, while one with a base of 12,000 and 8 percent on the same sales pays 44,000, but it carries more risk if sales fall. Ask about quotas, what share of staff meet them, how leads are assigned, when commission is paid and whether it continues after you leave. Past results from colleagues in the same territory are the best guide to whether the numbers on the offer letter are achievable.

Taxes, expenses and cash flow

Commission is usually taxed as ordinary income, so the amount you keep depends on your tax bracket. If you are self-employed, set aside a share of each payment for tax, and remember that business expenses such as travel and phone costs may be deductible according to local rules. Commission can arrive weeks after the sale, so keep a buffer to cover your own bills in a slow month. Track expected commission in a simple sheet with columns for the sale date, the amount, the rate and the expected payment date. That record also helps if a dispute arises about when a sale was made or whether it qualifies.

Key terms explained

The commission rate is the percentage of a sale that is paid to the salesperson. A quota is a sales target that may trigger bonuses or higher rates. A draw is an advance paid against future commission, which is usually repaid from later earnings. A clawback takes commission back if a sale is cancelled or refunded within a set period. An accelerator raises the rate once a target is passed. Base salary is guaranteed pay that does not depend on sales. Residual commission is paid repeatedly on subscriptions or renewals, and a split divides a commission between several people.

Rules of thumb and quick checks

To find the sales needed for a target, divide the target income by the rate: 3,000 at 4 percent needs 75,000 of sales. Check whether the rate applies to gross revenue or net revenue, since 5 percent of 100,000 gross is 5,000, while 5 percent of 70,000 net is 3,500. Add the amount of commission you expect to the base pay to estimate a full year, and subtract a share for tax. Always get the plan in writing, including how refunds, split sales and plan changes are handled, so that you can check each statement.

Frequently asked questions