50% Markup to Margin: a 50% markup is a 33.3% margin
If you add 50% to your cost, you are keeping 33.3% of every sale as gross profit. That gap between 50 and 33.3 is the single most common pricing mistake we see in small-business spreadsheets.
Check any cost at 50% markup
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The formula
50 ÷ 150 × 100 = 33.3%
A 50% markup can never be a 50% margin because you would need the profit to equal 50% of a price that already contains the profit. On a $120.00 cost the price is $180.00; the $60.00 of profit is 33.3% of that, and no amount of rounding closes the gap.
Price table at 50% markup
Every row adds 50% to the cost. The margin column is the same on every line, 33.3%, because margin depends only on the percentage, not on the amount.
| Cost | Price at 50% markup | Gross profit | Margin |
|---|---|---|---|
| $5.00 | $7.50 | $2.50 | 33.3% |
| $10.00 | $15.00 | $5.00 | 33.3% |
| $25.00 | $37.50 | $12.50 | 33.3% |
| $50.00 | $75.00 | $25.00 | 33.3% |
| $100.00 | $150.00 | $50.00 | 33.3% |
| $250.00 | $375.00 | $125.00 | 33.3% |
| $500.00 | $750.00 | $250.00 | 33.3% |
| $1,000.00 | $1,500.00 | $500.00 | 33.3% |
| $2,500.00 | $3,750.00 | $1,250.00 | 33.3% |
| $10,000.00 | $15,000.00 | $5,000.00 | 33.3% |
Markups near 50%
From 40% to 60% markup the margin moves from 28.6% to 37.5%: each two-point step in markup is worth less than two points of margin at this level, and the gap widens as the markup grows. The multiplier column is what you type into a spreadsheet to price a cost list.
Worked example
Numbers first: cost $120.00, markup 50%, price $180.00, profit $60.00, margin 33.3%. If the same item had to earn a 50% margin instead, the price would have to be $240.00, a markup of 100%.
Why the two percentages differ
When you compare suppliers, make sure both quote the same measure. One quoting 50% markup and another quoting 33.3% margin are offering the identical deal; one quoting 50% margin is offering a much richer one.
When to use markup, when to use margin
A 50% markup is typical for categories where the seller adds little beyond stocking and handling: it leaves 33.3% of each sale to cover overheads. Categories with high service content usually need a higher markup to reach a margin that pays for the time involved.
The reverse question comes up just as often: what markup produces a 50% margin? The answer is 100% (from 50 ÷ (100 − 50)). At 50% markup you are 16.7 points short of that.
See the mirror page: what markup gives a 50% margin.