Enter the cost price and selling price to instantly see profit or loss amount, percentage, and gross margin. Useful for traders, retailers, and anyone doing a quick deal check.
Try:
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Profit / Loss—
Cost price—
Selling price—
Profit / Loss %—
Gross margin—
Max discount before loss—
Total profit / loss —
Reverse Calculator
Work backwards — find the selling price needed for a target profit %, or the maximum cost you can pay to hit a target margin.
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Selling price for 30% profit—
Profit amount—
Gross margin at that SP—
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%
Max cost price for 25% margin—
Profit amount—
Profit % on cost—
How to use
Enter the Cost Price (CP) — what you paid or spent to acquire/produce the item.
Enter the Selling Price (SP) — what you sold or plan to sell the item for.
Set Quantity to see total profit or loss across multiple units.
The Max discount row shows the largest discount you can offer without making a loss.
Use the Reverse Calculator to find what SP you need for a target profit %, or the max CP you can pay to hit a target margin.
Frequently Asked Questions
How is profit percentage calculated?
Profit % = (SP − CP) ÷ CP × 100. If SP is ₹650 and CP is ₹500, profit % = 30%.
What is the difference between profit % and gross margin?
Profit % is calculated on cost price; gross margin is calculated on selling price. The same transaction gives a different number for each metric.
How do I find the selling price for a target profit %?
SP = CP × (1 + Target% ÷ 100). For 25% profit on a ₹800 item: SP = ₹800 × 1.25 = ₹1,000.
When does a loss occur?
A loss occurs when SP < CP. Loss % = (CP − SP) ÷ CP × 100.
Can I use this for GST-inclusive prices?
Yes — enter GST-inclusive prices to get overall P&L. For GST-exclusive analysis, remove GST from the prices first using the GST Calculator.
What gross margin is considered healthy for retail?
It varies by industry. Grocery retail: 20–30%. Apparel: 40–60%. Electronics: 10–20%. Software products often exceed 70% gross margin.
How do I find the selling price if I know my target profit %?
Use the Reverse Calculator above. Select "Find Selling Price", enter your cost and desired profit %, and the SP is calculated instantly. Formula: SP = CP × (1 + Profit% ÷ 100).
How much discount can I offer without making a loss?
The "Max discount before loss" row shows this. It equals the gross margin % — the maximum discount you can apply to the selling price before profit hits zero. Formula: Max discount = (SP − CP) ÷ SP × 100.
Did you know?
Warren Buffett's benchmark for a good business is a gross margin consistently above 40% — it signals pricing power and competitive moat.
The Indian textile industry, one of the world's largest, often operates at thin gross margins of 8–15%, relying heavily on volume.
"Mark-up" (profit on cost) and "margin" (profit on revenue) are often confused in business. A 50% mark-up equals only a 33.3% gross margin.