Profit and Loss Calculator
Work out profit or loss and the percentage on any transaction.
Profit
25.00%
100.00 per unit
Total cost per unit
400.00
Profit per unit
100.00
Total profit (× 1)
100.00
Break-even price
400.00
Selling below this loses money
Total revenue
500.00
Total outlay
400.00
Profit % = |selling − total cost| ÷ total cost × 100 = 100.00 ÷ 400.00 × 100
- The percentage is measured against cost price, which is the convention in commerce and school syllabuses.
- You would still profit down to a selling price of 400.00.
What does Profit and Loss Calculator do?
Enter what you paid and what you sold for to see whether it was a profit or a loss, how much, and what percentage of the cost that represents. Handles multiple units and optional additional costs.
How to Use Profit and Loss Calculator
- 1Enter the cost priceWhat you paid per unit.
- 2Enter the selling priceWhat you sold it for per unit.
- 3Add extra costs and quantityOptional, but they change the real answer.
- 4Read the outcomeProfit or loss, per unit and in total, with the percentage.
Key Features
- Tells you clearly whether the result is a profit or a loss
- Percentage calculated against cost price, the convention in commerce and exams
- Optional extra costs such as shipping, fees and packaging
- Quantity field for totals across a batch
- Break-even price shown alongside the result
Frequently Asked Questions
How is profit percentage calculated?
Profit ÷ cost price × 100. Buying at 400 and selling at 500 gives a profit of 100, which is a 25% profit on cost.
Why is the percentage based on cost rather than selling price?
Profit and loss percentages in commerce and school syllabuses are always relative to cost price. When you want the percentage of revenue instead, that is called margin — use the profit margin calculator.
What is the break-even price?
The selling price at which profit is exactly zero: cost price plus any extra costs. Selling below it loses money on every unit.
Should shipping count as a cost?
Yes, if you paid it. Any cost you cannot recover reduces your profit, so include shipping, payment processing fees and packaging in the extra costs field for a realistic answer.
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