Commission Calculation Example — Step-by-Step
Learn how to calculate sales commission with real-world examples. Whether you're a salesperson, manager, or business owner, understanding commission math helps you plan earnings and set fair compensation structures.
What Is a Sales Commission?
A sales commission is a percentage of the sale price paid to the salesperson as compensation. It's one of the most common incentive structures in sales, real estate, insurance, and retail.
Commission aligns the salesperson's income with their performance — the more they sell, the more they earn. Rates typically range from 2% to 20% depending on the industry and product margin.
The Commission Formula
Commission = Sale Price × (Commission Rate ÷ 100)
This formula works for any flat-rate commission structure. For tiered commissions (where the rate changes based on volume), you apply different rates to different revenue brackets.
Real-World Commission Examples
Real Estate Agent — 3% Commission
Sale Price: $450,000
Commission Rate: 3%
Commission = $450,000 × (3 ÷ 100) = $13,500
A real estate agent selling a $450,000 home at 3% earns $13,500 on that transaction. If the commission is split between buyer's and seller's agents, each gets $6,750.
Software Sales Rep — 8% Commission
Monthly Sales: $25,000
Commission Rate: 8%
Commission = $25,000 × 0.08 = $2,000/month
A SaaS sales rep closing $25,000 in monthly recurring revenue at 8% earns $2,000 in commission that month — on top of their base salary.
Retail Associate — Tiered Commission
Sales $0–$5,000: 2% → $100
Sales $5,001–$10,000: 4% → $200
Sales above $10,000: 6% → $300 (on $5,000)
Total Commission on $15,000 in sales: $600
Tiered structures reward high performers. Each bracket is calculated separately, then summed for the total commission.
Types of Commission Structures
Flat Rate
Same percentage on all sales. Simple and predictable. Common in real estate and insurance.
Tiered
Rate increases as sales volume grows. Motivates high performers to push past targets.
Residual
Ongoing commission on recurring revenue. Common in SaaS and subscription businesses.
Draw Against Commission
Advance payment deducted from future commissions. Provides income stability for new reps.
Frequently Asked Questions
What is a typical commission rate?
It varies by industry. Real estate: 2–6%. Software sales: 5–10%. Retail: 1–5%. Financial products: 1–3%. High-ticket items often have lower rates but larger absolute payouts.
Is commission taxed differently than salary?
Commission is taxed as ordinary income in most countries. However, because it's variable, withholding can differ. Consult a tax professional for your specific situation.
How do I calculate my annual commission earnings?
Multiply your average monthly sales by your commission rate, then multiply by 12. Add your base salary for total annual compensation.
What is the difference between gross and net commission?
Gross commission is calculated on the full sale price. Net commission is calculated after deducting returns, discounts, or cost of goods. Always clarify which basis applies to your agreement.