Loss Calculator
Compute the loss and loss rate from cost and selling price.
Input Data
Cost
Price
Results
Loss amount (0 if price ≥ cost).
30
Explanation of the result.
虧損 = 成本 − 售價 = 120 − 90 = 30；虧損率 = 25%。
At a glance:Loss = cost − price (when price < cost); loss rate = loss ÷ cost × 100%. Complements profit, markup and margin.
Formula
Loss = cost − price.
Loss rate = loss ÷ cost × 100%.
How to Use
- Enter the cost and selling price.
- The tool shows loss and loss rate; if price ≥ cost it indicates a profit.
Case Studies
Cost 120, price 90 → loss 30, 25%
Loss = 120 − 90 = 30; rate = 30 ÷ 120 = 25%.
FAQ
What if price ≥ cost?
Then it is a profit, not a loss.
How does it relate to profit?
They are the two sides of gain/loss.
When is it used?
Clearance sales and loss assessment.
Precision?
Shown to 2 decimal places.
Related Tools
References
Content review: Calculatorism Science Team. Results are for reference only; please refer to the relevant authorities for the official figures.