30% Markup on $400
Selling price, gross profit, gross margin — with full formula and industry context.
Selling Price
$520.00
Gross Profit
$120.00
Gross Margin
23.08%
$400 × 1.3 = $520.00
The Formulas
Selling price:
Cost × (1 + Markup/100)
Gross profit:
Price − Cost
Gross margin:
(Profit ÷ Price) × 100
Markup check:
(Price − Cost) ÷ Cost × 100
Step-by-Step
1
Convert to multiplier
1 + 30/100 = 1.3
2
Multiply by cost
$400 × 1.3 = $520.00
3
Gross profit
$520.00 − $400 = $120.00
4
Gross margin
$120.00 ÷ $520.00 × 100 = 23.08%
Industry Assessment: Low
Workable for high-volume, low-overhead businesses such as grocery, electronics, or commodity supply.
Real-World Context
At $400 cost with a 30% markup, the $520 selling price is typical of contractor quotes or professional services.
Frequently Asked Questions
What is 30% markup on $400?
A 30% markup on a $400 cost gives a selling price of $520.00, gross profit of $120.00, and a gross margin of 23.08%%. Formula: $400 × 1.3 = $520.00.
What is the difference between 30% markup and 30% margin?
30% markup means profit is 30% of the cost ($400). The equivalent gross margin — profit as % of selling price ($520.00) — is 23.08%%. Markup is always the larger number.
What gross margin does a 30% markup produce?
A 30% markup produces a 23.08% gross margin. Formula: Margin = Markup ÷ (1 + Markup/100) = 30 ÷ 1.3 = 23.08%.
How do I apply a 30% markup in a spreadsheet?
If cost is in A1: =A1*(1+30/100) gives the selling price. For a column: =A1*1.3 dragged down.
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