Commission Calculator

Work out commission on a sale, including any split with a broker or house.

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Commission is a percentage of the transaction value, and the arithmetic itself is simple. What complicates it is everything layered on top: a base retainer, a second rate applied above a threshold, and a split with the brokerage or agency that employs you. The headline rate is rarely what lands in your account.

Rates vary by market and by country and are frequently negotiable, so every one of them is an input here rather than a fixed figure. Residential property commissions differ sharply between jurisdictions and have been the subject of litigation and regulatory change; sales commissions range from under one percent on high-value low-margin goods to double digits on discretionary items.

On the defaults, a $240,000 sale at 3.0% generates $7,200 of gross commission. A 50% split with the brokerage leaves $3,600. That is 1.50% of the sale price once the split is taken into account, not the 3.0% on the agreement.

The formula

Commission = sale × rate, then × your split share
sale
Transaction value
rate
Commission percentage
base
Flat fee paid regardless of the percentage
split
Your share after the brokerage takes its cut

How to use this calculator

  1. Enter the sale value the commission is calculated on.
  2. Enter the commission rate agreed for this transaction.
  3. Add any flat base fee that is paid on top of the percentage.
  4. Enter your split percentage; the gauge shows what you actually keep.

Worked examples

3.0% on a $240,000 sale

$240,000 × 0.030 = $7,200 gross. A 50/50 split gives you $3,600 and the brokerage $3,600. Reaching $100,000 of income at this size requires 28 transactions a year.

A better split on the same sale

Moving from 50% to 70% on the same $7,200 gross raises your share to $5,040, an extra $1,440 per transaction. Over 28 sales that is $40,320 — usually worth more than a small rise in the headline rate.

How to read your score

0–1,000SmallA modest transaction or a low rate.
1,000–5,000ModerateA typical mid-market commission.
5,000–20,000LargeA significant single transaction.
20,000–—Very largeHigh-value work; check the tax treatment carefully.

Frequently asked questions

Is commission paid on the gross or net sale?

Almost always on the gross transaction value, before any costs the seller incurs. Read the agreement though: some contracts define the base net of returns, discounts or freight, which materially changes the figure.

What is a typical commission rate?

It depends entirely on the sector and the country, which is why it is an input here rather than a fixed value. Property, recruitment, insurance and capital equipment all have their own conventions, and most of them are negotiable.

How does a commission split work?

The brokerage or agency takes an agreed share of the gross commission in exchange for leads, premises, systems and licensing. Splits often improve as an agent hits volume thresholds during the year.

Is commission taxed differently from salary?

The tax rate is usually the same, but withholding often is not — many systems treat commission as supplemental income and withhold at a flat rate, which can leave you owing or over-paying at year end.

What is a tiered commission?

A structure where the rate rises once you pass a sales threshold, sometimes retroactively across all sales. Model each tier separately here and add the results, since a single percentage cannot represent a step change.

Commission reference

Gross commission by sale value and rate
Sale value1%2%3%5%
$50,000$500$1,000$1,500$2,500
$120,000$1,200$2,400$3,600$6,000
$240,000$2,400$4,800$7,200$12,000
$500,000$5,000$10,000$15,000$25,000
$1,000,000$10,000$20,000$30,000$50,000

These are gross figures. Apply your split percentage to find what you actually receive.

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