Profit Margin Calculator (Margin & Markup)

About the Profit Margin Calculator

Every shopkeeper knows profit in rupees — what a shirt cost, what it sold for — but the moment two businesses compare notes, everything shifts to percentages, and that is where trouble starts. This profit margin calculator turns cost, selling price and quantity into the full picture at once: profit per unit, margin, markup, total revenue and total profit.

The percentage confusion is real and expensive. The same Rs. 150 profit on a Rs. 650 sale is a 23.08% margin but a 30% markup — one measured against the selling price, the other against cost — and quoting the wrong one misprices everything downstream. The calculator shows both side by side so the two are never mixed.

It runs entirely in your browser with nothing stored. Price a new product line, check whether a wholesale quote leaves room after rent and salaries, or sanity-check the per-unit economics of a kiryana store, a clothing rack or a mobile-phone cart before committing money to stock.

How to Use the Profit Margin Calculator

Follow these simple steps — the whole process takes under a minute:

1. Enter the cost per unit — what one piece costs you landed: purchase price plus transport and packaging if you want the true number.
2. Enter the selling price per unit — what the customer pays, before any sales tax added at the counter.
3. Set the quantity — optional; leave it at 1 for a single unit or enter a batch size such as 100 for the totals.
4. Press Calculate Profit — profit per unit, margin, markup, total revenue and total profit appear together.
5. Read margin for comparing, markup for pricing — and if the selling price is at or below cost, a red warning replaces the results.

The Formula & Method Behind the Profit Margin Calculator

Profit per unit is subtraction: selling price minus cost. Everything else hangs off that number. Margin expresses it as a share of the selling price — margin = profit ÷ price × 100 — answering what portion of each rupee collected is profit. Markup expresses it as an addition on cost — markup = profit ÷ cost × 100 — answering how much above cost you are charging. Both describe the same rupees of profit, from different bases.

The different bases are why the percentages diverge and why they convert cleanly: margin = markup ÷ (100 + markup) × 100, and markup = margin ÷ (100 − margin) × 100. A 30% markup becomes 30 ÷ 130 = 23.08% margin — check it against the worked example — and the reverse formula, markup = margin ÷ (100 − margin) × 100, takes the same 23.08% margin back to 30% markup. Margin is always the smaller figure while there is a profit, and the gap widens as margins thin.

Totals scale the unit economics by quantity: revenue = price × qty and total profit = profit per unit × qty, so 100 units at Rs. 150 each turn Rs. 65,000 of sales into Rs. 15,000 of gross profit. That gross figure sits before fixed costs — rent, salaries and electricity come out of it, and only what survives is real profit. Dividing fixed costs by profit per unit gives the break-even volume: Rs. 60,000 ÷ Rs. 150 = 400 units a month before the business pays itself.

Margins, Markups and Pricing Sense in Pakistan

Margin and markup are not the same number. The classic shop-floor error is quoting a 30% margin while actually earning a 30% markup — 23.08% — and wondering why the month ends short. When a supplier, franchise brochure or business plan quotes a percentage, ask which base it uses: profit on selling price (margin) or profit on cost (markup).

Rough retail margins in Pakistan. Ranges vary by city and rent, but roughly: kiryana and grocery works on 5–15% margins and survives on volume; clothing and fabric carries 30–50% to absorb size leftovers and seasonal risk; electronics and mobiles run tight at 5–10% because prices are nationally visible.

Think in break-even, not just per unit. A 23% margin means little until fixed costs are divided out: Rs. 60,000 of rent, salaries and bills ÷ Rs. 150 = 400 units before the shop earns a rupee for itself. Compute that per product line and the loss-makers become obvious — a high margin at slow turnover often loses to a thin one that moves daily.

Pricing interacts with everything else. A 10% sale discount cuts this shirt to Rs. 585 and its profit to Rs. 85 — margin falls to 14.53% — which the discount calculator works out before any scheme is announced. And GST on invoices is the taxman's money, not yours: the sales tax calculator separates the 18% so margins are judged on pre-tax numbers.