Commission Calculator
Free sales commission calculator — flat-rate, tiered brackets, and base-plus-commission modes. Calculate your earnings from any sales structure. Runs in your browser.
Pick a commission mode, enter the sale amount and rate details. The calculator returns your commission or total pay.
Three modes
| Mode | What it does | Best for |
|---|---|---|
| Flat rate | sale × rate% | Simple commission plans |
| Tiered | each portion of the sale gets its own rate | Accelerators, quota-based plans |
| Base + commission | base salary + sale × rate% | Salary + variable comp |
Flat rate
Commission = sale amount × (rate ÷ 100)
A $10,000 sale at 5% = $500.00 commission. The simplest structure: one percentage applied to the whole sale.
Tiered brackets
Tiered commissions work like progressive tax brackets — each slice of the sale gets a different rate. Enter the threshold values (where the brackets split) and one more rate than thresholds.
Example with thresholds 10000, 25000 and rates 5, 7, 10:
| Bracket | Rate | On a $30,000 sale |
|---|---|---|
| $0–$10,000 | 5% | $500 |
| $10,001–$25,000 | 7% | $1,050 |
| $25,001+ | 10% | $500 |
| Total | $2,050 |
Base + commission
Total = base salary + sale amount × (rate ÷ 100)
A $2,500 base with a $15,000 sale at 6% = $2,500 + $900 = $3,400 total. Common in sales roles where the company wants to provide stability (base) plus incentive (commission).
Worked examples
-
Flat: $10,000 sale at 5%
Commission: $500.00 (5% of sale)
-
Tiered: $30,000 sale, brackets 10k|5%, 25k|7%, rest|10%
Commission: $2,050.00
-
Base+commission: $15,000 sale, 6%, $2,500 base
Total: $3,400.00 (base $2,500.00 + commission $900.00)
Frequently asked questions
What are the three commission modes?
Flat rate: a fixed percentage of the total sale — simplest and most common. Tiered: different rates for different portions of the sale (e.g. 5% on the first $10,000, 7% on the next $15,000, 10% above $25,000). Base-plus: a guaranteed base salary plus commission on sales.
How do tiered commissions work?
Think of tiers as tax brackets but in reverse — they reward you more as you sell more. Each portion of the sale falls into a bracket with its own rate. You need N thresholds and N+1 rates (the last rate covers everything above the highest threshold). Example: thresholds 10000, 25000 with rates 5, 7, 10 means 5% up to $10k, 7% from $10k-$25k, 10% above $25k.
Does the calculator handle draws or clawbacks?
No — this calculator covers the three most common commission structures: flat-rate, tiered brackets, and base-plus-commission. Recoverable draws (advance against future commission) and clawbacks (repayment if a deal falls through) are company-specific policies that need custom calculation.
Can I use negative numbers for returns or chargebacks?
The calculator is designed for positive sale amounts. For returns or adjustments, calculate the negative sale separately and subtract the result from your total commission.
Is the commission rate always a percentage?
Yes — all three modes use percentage rates. If your compensation uses fixed-dollar commissions per sale instead of a percentage, just multiply your per-sale dollar amount by the number of sales. That's simple enough to do mentally.