The Profit Calculator is a free tool that helps you calculate profit using the formula Profit = revenue - cost; margin = profit/revenue x 100; markup = profit/cost x 100. Enter your values above and press Calculate to get profit, profit margin, markup instantly, with a full step-by-step breakdown.
What is the Profit Calculator?
The profit calculator is a free online tool that helps you calculate profit quickly and accurately. It applies the standard formula Profit = revenue - cost; margin = profit/revenue x 100; markup = profit/cost x 100 to the values you enter and, when you press Calculate, displays the result together with a clear, step-by-step explanation of how the answer was reached.
How to use the Profit Calculator
- Enter the cost price.
- Enter the selling price.
- See profit, margin and markup.
Formula used
The profit calculator is based on this formula:
Profit = revenue - cost; margin = profit/revenue x 100; markup = profit/cost x 100Each term in the formula corresponds to one of the inputs explained below. The calculator performs the arithmetic for you and shows every step so you can check the working by hand if you wish.
Worked example
Suppose you enter cost 800, sell 1000. The calculator works as follows:
| Inputs | cost 800, sell 1000 |
|---|---|
| Working | 200/1000 |
| Result | Margin 20% |
Step-by-step calculation
- Apply the formula:
Profit = revenue - cost; margin = profit/revenue x 100; markup = profit/cost x 100 - Substitute your values: 200/1000
- Read the result: Margin 20%
Inputs explained
- Cost price — the cost price used in the calculation.
- Selling price / revenue — the selling price / revenue used in the calculation.
Understanding your result
- Profit — the calculated profit.
- Profit margin — the calculated profit margin in %.
- Markup — the calculated markup in %.
Benefits and practical uses
The profit calculator saves time and removes the risk of manual errors when you need to calculate profit. It is useful for students, professionals and anyone who wants a fast, dependable answer. Results update the moment you press Calculate, work on any device, and can be copied or shared in a single click — and because the maths runs in your browser, your figures stay completely private.
Tips for an accurate result
- Keep all related inputs in the same units.
- Use the worked example above to confirm you are entering values in the right places.
- Review the assumptions below so the result fits your situation.
- Press Reset to clear everything and try a different scenario.
Common mistakes to avoid
- Entering values in the wrong unit (mismatched units give wrong answers).
- Leaving a required field empty — the calculator will ask you to fill it in.
- Rounding inputs too early, which can slightly change the result.
Assumptions and limitations
- Single unit; excludes taxes.
Frequently asked questions
Margin vs markup?
Margin is profit as a % of price; markup is profit as a % of cost.
How do I use the Profit Calculator?
Enter your values in the fields, then press the Calculate button to see the result. Use Reset to clear the form and start again. Nothing is calculated until you click Calculate.
What formula does the Profit Calculator use?
It uses the standard formula: Profit = revenue - cost; margin = profit/revenue x 100; markup = profit/cost x 100. The full step-by-step working is shown with every result so you can verify it.
What information do I need to use the profit calculator?
You need: cost price, selling price / revenue. Sensible example values are pre-filled so you can see how it works.
Is the Profit Calculator free to use?
Yes. Every DigiToolkit calculator is completely free, with no sign-up, no login and no usage limits.
Does the Profit Calculator work on mobile phones?
Yes. The calculator is mobile-first and works on phones, tablets and computers in any modern browser.
Do I need to install an app?
No. The profit calculator runs directly in your web browser — there is nothing to download or install.
Is my data private when I use this calculator?
Yes. All calculations run inside your browser. The numbers you enter are never uploaded to a server or shared with anyone.
How accurate is the Profit Calculator?
It uses the generally accepted formula for profit and computes to several decimal places. Results are accurate for the assumptions listed on this page.
Can I copy or share my result?
Yes. After calculating, use the Copy button to copy the result, or Share to copy the page link.
Why is nothing showing until I press Calculate?
By design, the calculator only computes when you press Calculate, so you can finish entering all your values first. Press Reset any time to clear everything.