Articles · Pricing

Margin vs. Markup: The Pricing Mix-Up That Costs Electricians Money

If you mark up your cost by 25% and think you made a 25% margin, you priced the job low. Here is why, with real numbers.

5 min read · CircuitCount

The two words mean different things

Markup is profit compared to your cost. Margin is profit compared to the price the customer pays. Same dollars of profit, two different percentages.

Markup % = profit ÷ cost
Margin % = profit ÷ price

A panel-swap example

Say your cost on a job is $2,000: material, labor and overhead.

You addPriceProfitMarkupMargin
25% markup$2,500$50025%20%
25% margin$2,667$66733.3%25%

The difference is $167 on one job. Over 100 jobs a year that's $16,700 you thought you were making and weren't.

How to price for a target margin

Divide your cost by (1 minus the margin). Don't multiply.

Price = cost ÷ (1 − margin)
$2,000 ÷ (1 − 0.25) = $2,667

Conversion table

Margin you wantMarkup you need
10%11.1%
15%17.6%
20%25.0%
25%33.3%
30%42.9%
35%53.8%
40%66.7%
Markup = margin ÷ (1 − margin)   ·   Margin = markup ÷ (1 + markup)

Which one should you use?

Either works if you use it on purpose. Margin is easier to compare with your yearly numbers, because your profit-and-loss statement shows profit as a share of sales. Markup is easier to do in your head at the supply-house counter. The mistake is mixing them: setting a "25%" goal in one and pricing in the other.

Don't forget overhead

Margin should be profit after overhead. If your "cost" is only material and labor, a 25% margin may be eaten by the truck, insurance and office before you see a dime. Add overhead to cost first, then add margin. See how to work out your overhead rate.

Quick checklist

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This article is general business math for electrical contractors. It is not legal, tax, accounting or code advice. Use your own numbers.