Margin Calculator — Gross Margin, Markup, Cost & Price (Solve Any
Solve for Gross Margin %, Markup %, Cost, or Revenue — choose what you know and calculate what you need. Free, instant, and accurate.
✓ Formula verified: May 2026
Margin Calculator
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Gross Margin (%)
44.4444%
Markup (%)
80%
Gross Profit (Revenue − Cost)
▲ $40.00
Cost
$50.00
Revenue (Selling Price)
$90.00
Gross Margin (%)
44.4444%
Markup (%)
80%
Key: 50% Markup ≠ 50% Margin — at 50% markup, margin = 33.3%
Markup % ÷ (100 + Markup %) = Margin %
What if your cost (unit cost / cogs) changes? $45 → 50% · $50 → 44.4444% · $55 → 38.8889%
Scenario Comparison
Conservative (5%)
$16,470.09
$6,470.09 interest
Your scenario (7%)
$20,096.61
$10,096.61 interest
Aggressive (10%)
$27,070.41
$17,070.41 interest
High-risk (14%)
$40,224.71
$30,224.71 interest
Best return
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Margin vs Markup
Gross Margin (%)
44.4444%
Cost
$50.00
Gross Profit
$40.00
Revenue
$90.00
Margin
44.4444%
Markup
80%
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