Margin Calculator Free Online Tool 2026

Last updated March 22, 2026

Calculating Profit Margin from Cost and Price

A product costs $10 and sells for $15. Calculate the profit margin:

Input:
  Cost:          $10.00
  Selling price: $15.00

Calculations:
  Profit:        $15.00 - $10.00 = $5.00
  Profit margin: $5.00 / $15.00 = 33.33%
  Markup:        $5.00 / $10.00 = 50.00%

Result:
  Profit margin: 33.33%
  Markup:        50.00%
  Profit:        $5.00

Note: A 50% markup does NOT equal a 50% margin. This is the most common pricing confusion in small business.

Calculating Selling Price from Desired Margin

You want a 40% profit margin on a product that costs $25. What should the selling price be?

Input:
  Cost:           $25.00
  Desired margin: 40%

Formula: Selling price = Cost / (1 - Margin)
  = $25.00 / (1 - 0.40)
  = $25.00 / 0.60
  = $41.67

Result:
  Selling price: $41.67
  Profit:        $16.67
  Markup:        66.67%

Verification:
  $16.67 / $41.67 = 40.0% margin ✓

Calculating Selling Price from Desired Markup

You want a 50% markup on a product that costs $20:

Input:
  Cost:            $20.00
  Desired markup:  50%

Formula: Selling price = Cost × (1 + Markup)
  = $20.00 × (1 + 0.50)
  = $20.00 × 1.50
  = $30.00

Result:
  Selling price: $30.00
  Profit:        $10.00
  Profit margin: 33.33%

Note: 50% markup ≠ 50% margin.
The margin is 33.33%, not 50%.

Margin vs Markup — Side-by-Side Comparison

The same product showing both calculations to illustrate the difference:

Product: Widget
Cost: $10.00

If you want 50% MARGIN:
  Selling price = $10 / (1 - 0.50) = $20.00
  Profit = $10.00
  Markup = 100%

If you want 50% MARKUP:
  Selling price = $10 × 1.50 = $15.00
  Profit = $5.00
  Margin = 33.33%

The difference: $5.00 per unit
Over 1,000 units: $5,000 difference in profit

This is why confusing margin and markup is costly.

Impact of Discounts on Margin

Your product normally sells for $50 with a 40% margin. A customer asks for a 15% discount:

Original pricing:
  Selling price: $50.00
  Cost:          $30.00 (calculated from 40% margin)
  Profit:        $20.00
  Margin:        40%

After 15% discount:
  Discounted price: $50.00 × (1 - 0.15) = $42.50
  Cost:             $30.00 (unchanged)
  Profit:           $12.50
  New margin:       $12.50 / $42.50 = 29.4%

Margin impact: 40% → 29.4% (a 10.6 percentage point drop)
Profit reduction: $20.00 → $12.50 (37.5% less profit per unit)

Minimum price to maintain 20% margin:
  $30.00 / (1 - 0.20) = $37.50
  Maximum discount: ($50 - $37.50) / $50 = 25%

Gross Margin vs Net Margin

A product sells for $100. Cost of goods is $40. Operating expenses are $30:

Revenue:              $100.00

Gross margin calculation:
  Cost of goods sold: $40.00
  Gross profit:       $60.00
  Gross margin:       60%

Net margin calculation:
  Gross profit:       $60.00
  Operating expenses: $30.00
  Net profit:         $30.00
  Net margin:         30%

The gross margin (60%) looks healthy, but after operating
expenses the net margin is 30%. Both metrics matter for
understanding true profitability.

Break-Even Analysis

You have $5,000 in fixed monthly costs. Your product sells for $50 with a $20 variable cost:

Input:
  Fixed costs:    $5,000/month
  Selling price:  $50.00
  Variable cost:  $20.00

Contribution margin per unit:
  $50.00 - $20.00 = $30.00

Break-even units:
  $5,000 / $30.00 = 167 units/month

Break-even revenue:
  167 × $50.00 = $8,350/month

Margin at break-even:
  Contribution margin: $30/$50 = 60%
  Net margin at break-even: 0% (exactly covering costs)

To achieve 20% net margin:
  Required revenue: $5,000 / (0.60 - 0.20) = $12,500
  Required units: $12,500 / $50 = 250 units/month

Retail Pricing with Industry Benchmarks

Compare your margins against industry benchmarks:

Your product:
  Cost: $15.00
  Price: $24.99
  Margin: 40%

Industry margin benchmarks:
  Grocery retail:      1-3%   — Your margin is much higher ✓
  Clothing retail:     40-60% — Your margin is at the low end
  Electronics retail:  5-15%  — Your margin is much higher ✓
  Software/SaaS:       70-90% — Your margin is lower
  Restaurant food:     60-70% — Your margin is lower

Assessment: For a physical product, 40% margin is solid.
Consider whether there's room to increase price to 45-50%
margin while remaining competitive.

Bundle Pricing Margin Analysis

Analyze the margin on a product bundle:

Bundle contents:
  Product A: Cost $10, normally sells for $20 (50% margin)
  Product B: Cost $15, normally sells for $25 (40% margin)
  Product C: Cost $5,  normally sells for $12 (58% margin)

Total cost:          $30.00
Total normal price:  $57.00

Bundle price:        $45.00

Bundle margin:
  Profit: $45.00 - $30.00 = $15.00
  Margin: $15.00 / $45.00 = 33.3%

Individual product average margin: 49%
Bundle margin: 33.3%

The bundle discount reduces margin by 15.7 percentage points.
Is the increased volume worth the margin reduction?