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Commission

Commission percentage explained for sales teams and freelancers

A percent of sales — and a stack of rules that make sure the percent is paid on the right base.

Commission is a percent of a base — usually revenue, sometimes gross profit, occasionally net of returns and refunds. The formula itself is one multiplication, but commission plans add structure on top: tiered rates, accelerators, caps, claw-backs and split payments. Even a perfectly accurate single-line formula can produce the wrong cheque if the plan is mis-applied.

This guide starts from the headline formula on a flat-rate plan, then layers in the tier logic that powers most real-world sales agreements.

The commission formula

Commission is a percent of a base — usually revenue or gross profit. At $84,000 of eligible sales and a 4.5% rate:

commission = sales × rate ÷ 100 = $84,000 × 0.045 = $3,780

Tiered plans pay different percents on different sales bands; compute each band separately and sum the results.

Tiered commission plans in plain English

A simple two-tier plan pays one rate on sales up to a threshold and a higher rate on everything above it. Worked example for $84,000 in sales with a 4% rate up to $60,000 and 6% above:

  • First $60,000 × 4% = $2,400.
  • Remaining $24,000 × 6% = $1,440.
  • Total commission = $3,840, an effective rate of 4.57% on the full $84,000.

The same approach extends to three or more tiers. Compute each band separately, then sum.

Common mistakes to avoid

  • Calling margin "markup" or vice versa. Margin divides by revenue; markup divides by cost.
  • Comparing APR and APY directly without normalising for compounding frequency.
  • Booking commission on invoiced sales but forgetting the clawback when revenue is refunded.
  • Averaging percent growth across periods rather than recomputing from the underlying values.

Calculation tips & best practices

  • Define numerator and denominator explicitly before reporting any business percent.
  • Document the date range; a percent comparison without a date window is decoration, not data.
  • Treat published rates as a starting point; fees, taxes and timing change the realised number.
  • Always confirm material financial figures with a qualified adviser.

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Note: Percentage results are estimates for informational use only. Always verify critical financial, tax, or business calculations with a qualified professional.

Calculate commission instantly

Open the calculator in Basic mode, multiply your sales by the commission rate, and verify the breakdown. For tiered plans, run each band separately and add the results.

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