# Commission calculator: how to work out sales commission, a bonus rate above target and total pay

> Commission looks simple until a bonus rate starts above a sales target. This guide shows flat and tiered commission, which sales the higher rate applies to, the effective rate you really earn, and how a base salary changes total pay.

Published 2026-10-09 by Toolcloak. 3 minute read. Original: https://toolcloak.pages.dev/articles/commission-calculator-how-to-work-out-sales-commission-a-bonus-rate-above-target-and-total-pay
Related free tool: [Sales Commission Calculator](https://toolcloak.pages.dev/tools/commission-calculator)

**Commission** is pay that rises with what you sell. The simplest plan pays one percentage of all sales. Many plans pay a higher percentage once sales pass a target. The key question for the second kind is whether the higher rate applies to **all** the sales or only to the sales **above** the target. The answer changes the pay a lot.

> **In short**
> - **Flat commission = sales × rate.** On ₹5,00,000 of sales at 5% that is **₹25,000**.
> - With a 5% rate up to a ₹4,00,000 target and 8% above it, the same sales earn ₹4,00,000 × 5% + ₹1,00,000 × 8% = **₹28,000**.
> - The **effective rate** is commission ÷ sales, here **5.6%**, which sits between the two rates.
> - In this tool the bonus rate applies **only to the sales above the target**. Check how your own plan works.

## The formula, step by step

**Example: ₹5,00,000 of sales, 5% up to ₹4,00,000, 8% above**

1. **Commission on sales up to the target.** ₹4,00,000 × 5% = **₹20,000**.
2. **Find the sales above the target.** ₹5,00,000 − ₹4,00,000 = **₹1,00,000**.
3. **Commission at the bonus rate.** ₹1,00,000 × 8% = **₹8,000**.
4. **Add them.** ₹20,000 + ₹8,000 = **₹28,000**.

*If sales are at or below the target, or no target is set, the tool simply uses sales × the standard rate.*

Try it: [Sales Commission Calculator](https://toolcloak.pages.dev/tools/commission-calculator). Enter sales, the rate, an optional target and bonus rate, and a base salary to see commission and total earnings.

## What different sales levels earn

| Total sales | Commission | Effective rate | Sales above target |
| --- | --- | --- | --- |
| ₹3,00,000 | ₹15,000 | 5.00% | ₹0 |
| ₹4,00,000 | ₹20,000 | 5.00% | ₹0 |
| ₹5,00,000 | ₹28,000 | 5.60% | ₹1,00,000 |
| ₹6,00,000 | ₹36,000 | 6.00% | ₹2,00,000 |
| ₹8,00,000 | ₹52,000 | 6.50% | ₹4,00,000 |

*Same plan in every row: 5% up to ₹4,00,000, 8% above. The effective rate rises with sales but never reaches the bonus rate.*

**Commission earned at each sales level (₹ thousand)**

|  | Value |
| --- | --- |
| ₹300k | ₹15 k |
| ₹400k | ₹20 k |
| ₹500k | ₹28 k |
| ₹600k | ₹36 k |
| ₹800k | ₹52 k |

*The slope gets steeper after the target, which is why the last ₹1 lakh earns more than the first.*

## Higher rate on everything, or only on the extra?

Plans differ. In an **incremental** plan, the higher rate applies only to sales above the target, as in this calculator. In a **retroactive** plan, once you pass the target the higher rate applies to all sales. With a retroactive plan, ₹5,00,000 would earn ₹5,00,000 × 8% = ₹40,000, which is ₹12,000 more than the incremental result.

**The same sales under two plan styles**

| Incremental | Retroactive |
| --- | --- |
| ₹28,000 | ₹40,000 |
| 5% on the first ₹4,00,000 | 8% on all ₹5,00,000 |
| 8% only on the ₹1,00,000 above | Higher rate backdated to the first rupee |
| What this calculator computes | Compute it as sales × bonus rate |

*Ask your employer which plan you are on, and get the wording in writing. The calculator covers only the first style.*

> **Plans often have extra rules:** Some employers cap commission, pay it only on collected payments, deduct returns and refunds, or split a sale between two people. The calculator uses the simple version. Compare its answer with your plan document, not just the formula.

## Adding a base salary

If you also earn a base salary, total earnings are base plus commission. With a base of ₹15,000 the example month pays ₹15,000 + ₹28,000 = **₹43,000**. Commission is usually taxable income like salary, so the figure is before tax.

**The example month in four numbers**

|  | Value | Note |
| --- | --- | --- |
| Total sales | ₹5,00,000 | The month's sales |
| Commission | ₹28,000 | Incremental plan |
| Effective rate | 5.6% | Commission ÷ sales |
| Total with a ₹15,000 base | ₹43,000 | Before tax |

*Use the effective rate to compare different plans on the same sales.*

## Checking a plan before you accept it

1. **Find the rate and the target** in writing.
2. **Ask whether the higher rate is incremental or retroactive.**
3. **Check what counts as a sale:** booked, invoiced or paid.
4. **Check the caps, clawbacks and returns rules.**
5. **Run your realistic sales** through the calculator, and a poor month too.

## Frequently asked questions

### How do I calculate sales commission?

Multiply the sales by the commission rate. For 5,00,000 of sales at 5%, the commission is 25,000.

### How does a bonus rate above target work in this calculator?

The standard rate applies up to the target and the bonus rate applies only to the sales above it. With a 4,00,000 target, 5% and 8%, sales of 5,00,000 earn 20,000 plus 8,000, which is 28,000.

### What is the effective commission rate?

It is the total commission divided by the total sales. In the example it is 5.6%, between the 5% base rate and the 8% bonus rate.

### What is the difference between incremental and retroactive commission?

Incremental pays the higher rate only on sales above the target. Retroactive pays the higher rate on all sales once the target is passed. The retroactive plan pays more.

### Does the calculator include base salary?

Yes, there is an optional base salary field. The total earnings line adds it to the commission. It does not include tax.

### Can I leave the target empty?

Yes. With no target, or a target of zero, the tool uses the standard rate on all sales. Use the [Percentage Calculator](https://toolcloak.pages.dev/tools/percentage-calculator) for a quick one-off percentage.