Free commission calculator
Calculate commission earnings on sales — enter sales amount and commission percentage to see commission earned, base pay, and gross income, updated live, as you type.
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Flat-rate commission only. Tiered commission structures require separate calculations per tier.
Results are estimates. Consult a professional.
How the commission calculator works
A commission calculator computes how much a salesperson earns from a sale, factors in any base salary to produce gross earnings, and calculates the effective commission rate across multiple transactions. It is used by sales reps checking their pay, by managers modeling compensation plans, and by businesses evaluating incentive structures.
Worked example: $25,000 in sales at 8% plus $2,000 base
Alex is a sales rep who closed $25,000 in deals this month. The compensation plan pays a $2,000 monthly base salary plus 8% commission on all sales. What are Alex's gross earnings?
Commission earnings by sales volume and rate
The table shows commission earned (before base salary) at four common sales volume levels and five commission rates. To find gross earnings, add your base salary to the relevant cell.
| Sales Volume | 3% Rate | 5% Rate | 8% Rate | 10% Rate | 15% Rate |
|---|---|---|---|---|---|
| $10,000 | $300 | $500 | $800 | $1,000 | $1,500 |
| $25,000 | $750 | $1,250 | $2,000 | $2,500 | $3,750 |
| $50,000 | $1,500 | $2,500 | $4,000 | $5,000 | $7,500 |
| $100,000 | $3,000 | $5,000 | $8,000 | $10,000 | $15,000 |
Source: Commission = sales × rate. Add base salary for gross earnings. Excludes tiered structures.
Tips for understanding commission structures
Commission plans come in many forms — flat rate, tiered, draw against commission, and residual — and the differences affect your take-home pay significantly. Understanding the mechanics helps you negotiate better and forecast your income accurately.
- Model your realistic earning range — calculate commission at your average month, best month, and worst month so you understand income variability before accepting a role.
- Clarify when commission is paid — some plans pay on invoice, others on cash collected; a deal closed in March might not pay out until May if the client pays net-60.
- Understand draw arrangements — a 'recoverable draw' is a loan against future commission; if you don't hit quota, you owe the company money, not just a missed bonus.
- Ask about clawback policies — many plans require commission to be returned if a customer cancels within a set period; factor this into your cash-flow planning.
- Track your effective rate across all deals — if you earn 10% on small deals and 5% on enterprise deals, your blended effective rate may be lower than the headline number suggests.
Accuracy and limitations
This calculator applies a flat commission rate to the total sales volume entered. Real-world compensation plans often include accelerators (higher rates above quota), decelerators (lower rates if quota is missed), tiered brackets, team-split rules, and exclusions for certain product lines or deal sizes. The gross earnings figure shown is pre-tax; federal, state, and FICA taxes will reduce the net amount received. Commission income may also be subject to estimated quarterly tax payments for self-employed contractors.
Not financial advice — consult a financial professional for your specific situation.
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About this calculator
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