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Finance Calculators

Loss Percentage Calculator

Verified formula Updated Jun 2026 Private — runs on your device

Enter details
Verified formula Private

Loss percentage

20.00%

Loss amount
₹200.00

For general information only — not financial, tax, legal or medical advice. Verify before you rely on it.

How to use the Loss Percentage Calculator

The Loss Percentage Calculator works out your loss percentage, along with 1 related figure in an instant. Enter cost price and selling price and the result updates as you type — it is free, needs no sign-up, and runs entirely in your browser so your figures stay private.

  1. Enter the cost price.
  2. Enter the selling price.
  3. Read off your loss percentage, together with loss amount — the calculator updates automatically, with no button to press.

Formula

The Loss Percentage Calculator uses the formula:

Loss percentage = (Cost price - Selling price) ÷ Cost price × 100

Worked example

For example, with cost price of 1,000 and selling price of 800, the loss percentage is 20.00%.

Inputs used
Cost price 1,000
Selling price 800
Results
Loss percentage 20.00%
Loss amount ₹200.00

Results are estimates for educational use, not professional advice.

Key terms explained

Percentage
A number expressed as a fraction of 100, written with the % sign.

Frequently asked questions

Subtract selling price from cost, divide by cost, and multiply by 100. Buying at 1,000 and selling at 800 is a 20% loss.

Yes. Loss percentage is conventionally measured against the cost price.

Then there is a profit, not a loss; the result would be negative here.

Price above total cost, including overheads, and manage discounts carefully.

Enter the cost price. Enter the selling price. Read off your loss percentage, together with loss amount — the calculator updates automatically, with no button to press.

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