Profit Percentage Calculator

Calculate profit percentage from your cost price and selling price. Determine whether your margins meet your business goals instantly.

SC
Written by Sarah Chen, CFP
Certified Financial Planner
JW
Fact-checked by Dr. James Wilson, PhD
Options Strategy Researcher
Profit & LossFact-Checked

Input Values

$

The cost to produce or purchase the item.

$

The price the item is sold for.

Total number of units sold.

$

Per-unit expenses such as shipping, handling, or platform fees.

Results

Profit Percentage (Margin)
0.00%
Markup Percentage
0.00%
Profit per Unit$0.00
Total Profit$0.00
Total Revenue$6,000.00
Results update automatically as you change input values.

What Is Profit Percentage?

Profit percentage, also known as profit margin percentage, tells you what proportion of your revenue is profit. It is one of the most direct ways to evaluate the profitability of a product, service, or entire business. A 37.5% profit percentage means you keep $0.375 of every dollar in revenue as profit.

There are two common ways to express profit as a percentage: profit margin (profit as a percentage of selling price) and markup (profit as a percentage of cost). This calculator provides both, so you always know exactly how your profitability stacks up regardless of which metric you prefer.

i
Two Ways to Express Profit Percentage

Profit Margin = Profit / Selling Price (e.g., $45 / $120 = 37.5%). Markup = Profit / Cost (e.g., $45 / $75 = 60%). Both express the same $45 profit but as a percentage of different bases.

How to Calculate Profit Percentage

Profit Margin Percentage
Profit Margin (%) = ((Selling Price - Cost Price) / Selling Price) × 100
Where:
Selling Price = The price the product is sold for
Cost Price = The cost to produce or acquire the product
Markup Percentage
Markup (%) = ((Selling Price - Cost Price) / Cost Price) × 100
Where:
Selling Price = The price the product is sold for
Cost Price = The cost to produce or acquire the product
Profit Percentage Worked Example
Given
Cost Price
$75
Selling Price
$120
Units Sold
50
Calculation Steps
  1. 1Profit per unit = $120 - $75 = $45
  2. 2Profit Margin = ($45 / $120) × 100 = 37.5%
  3. 3Markup = ($45 / $75) × 100 = 60%
  4. 4Total Revenue = $120 × 50 = $6,000
  5. 5Total Cost = $75 × 50 = $3,750
  6. 6Total Profit = $6,000 - $3,750 = $2,250
Result
Each unit generates $45 profit, representing a 37.5% profit margin and 60% markup. Selling 50 units yields $2,250 total profit.

Profit Percentage vs. Markup: Quick Reference

Profit Margin and Markup Equivalents
Profit MarginEquivalent MarkupExample ($100 cost)
10%11.1%Sell at $111.11
15%17.6%Sell at $117.65
20%25.0%Sell at $125.00
25%33.3%Sell at $133.33
30%42.9%Sell at $142.86
35%53.8%Sell at $153.85
40%66.7%Sell at $166.67
50%100.0%Sell at $200.00

Setting the Right Profit Percentage for Your Business

Choosing the right profit percentage requires balancing competitiveness with profitability. Setting margins too high may price you out of the market, while setting them too low leaves no room for expenses, errors, or growth. The ideal profit percentage depends on your industry, competition, volume, and cost structure.

How to Determine Your Target Profit Percentage

1
Research Industry Benchmarks
Look up average profit margins for your industry. The US Bureau of Labor Statistics and industry trade associations publish annual margin data. Start with the industry average as your minimum target.
2
Calculate Your Break-Even Point
Determine the minimum selling price needed to cover all costs (including overhead allocation). Your profit percentage must exceed this break-even margin to generate actual profit.
3
Factor in All Hidden Costs
Include payment processing fees (2-3%), returns and refunds (5-15% for e-commerce), platform commissions (8-20% for marketplaces), and shipping that reduce your effective margin.
4
Test and Optimize
Start with your target margin, monitor sales velocity, and adjust. If a price increase does not reduce volume, your margin was too low. If volume drops sharply, pull back slightly.

Profit Percentage Across Different Business Models

  • Dropshipping: 15-30% profit margins typical due to supplier markups and competition
  • Private label products: 30-50% margins when selling on Amazon or direct-to-consumer
  • Service businesses: 50-75% margins with low material costs but high labor
  • SaaS software: 70-85% gross margins with low marginal cost per user
  • Restaurants: 3-9% net margins after all costs, despite 60-70% food margins
  • Consulting: 40-60% margins depending on overhead and utilization rates

Profit Percentage in Trading

Stock and options traders also calculate profit percentages on their trades. A stock purchased at $50 and sold at $65 yields a 30% profit (before fees and taxes). Options traders use profit percentage to compare returns across trades of different sizes and duration, and to evaluate strategy performance over time.

!
Always Use Net Profit Percentage

Gross profit percentage can be misleading. A product with a 50% gross margin might have only a 10% net margin after overhead, shipping, returns, and taxes. Always calculate the complete cost picture before evaluating profitability.

Frequently Asked Questions

Profit Margin Percentage = ((Selling Price - Cost) / Selling Price) x 100. For example, cost $75, selling price $120: (($120-$75)/$120) x 100 = 37.5%. Alternatively, Markup Percentage = ((Selling Price - Cost) / Cost) x 100 = (($120-$75)/$75) x 100 = 60%.

Sources & References

  • U.S. Securities and Exchange Commission (SEC) - Investor Education
  • Options Clearing Corporation (OCC) - Options Education
  • Chicago Board Options Exchange (CBOE) - Options Strategies
  • Hull, J.C. "Options, Futures, and Other Derivatives" (11th Edition, 2021)

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