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Sales Margin & Markup Profit Calculator

Calculate gross profit, margin percentage, and markup instantly. Enter any two values (cost, revenue, margin, or markup) to solve for the rest with full volume projections.

Financial numbers calculated 100% in your local browser memory. Zero server uploads.
Calculation Mode:

Pricing Parameters

$
$
$
$
37.50%
%
60.00%
%
Quick Margin Presets:
Gross Profit / Unit
+$30.00

Revenue minus COGS per item

Profit Margin
37.50%

Profit divided by Selling Price

Markup Percentage
60.00%

Profit divided by Cost

Total Profit (100 units)
+$3,000.00

Gross Revenue: $8,000.00

Revenue Composition Per Unit Selling Price: $80.00 (100%)
62.5% Cost
37.5% Profit
Cost of Goods: $50.00 Net Profit Margin: +$30.00

Volume Scaling & Profit Scenarios

Real-time projections for unit milestones
Units Sold Total COGS Gross Revenue Net Profit Gross Margin Effective Markup

Margin vs. Markup Quick Reference Cheat Sheet

Margin
10%
Markup: 11.1%
Margin
20%
Markup: 25.0%
Margin
25%
Markup: 33.3%
Margin
33.3%
Markup: 50.0%
Margin
50%
Markup: 100%
Margin
60%
Markup: 150%
Margin
75%
Markup: 300%

How to Calculate Sales Margin and Markup in 3 Easy Steps

1

Enter Cost & Selling Price

Input your Cost of Goods Sold (COGS) and desired Revenue / Selling Price per item, or select a target margin % preset.

2

Instant Real-Time Math

The calculator automatically computes Gross Profit ($), Profit Margin (%), and Markup (%) with zero server lag.

3

Analyze Volume Scenarios

Review multi-unit volume projections, inspect the cost-to-profit composition bar, and export your analysis to CSV or clipboard.

Frequently Asked Questions

What is the difference between Margin and Markup? ▼

Profit Margin is the percentage of the selling price that is profit: (Profit / Revenue) × 100.
Markup is the percentage by which the cost is increased to arrive at the selling price: (Profit / Cost) × 100.
For example, if an item costs $50 and sells for $100, the profit is $50. The markup is 100% (cost doubled), but the profit margin is 50% (half of the selling price is profit).

How do I calculate Selling Price from Cost and Desired Margin? ▼

Use the formula: Selling Price = Cost / (1 - (Margin % / 100)). For example, if your cost is $60 and you want a 40% margin, your selling price is 60 / (1 - 0.40) = $100.00.

Are my financial numbers uploaded or stored? ▼

Never. All calculations happen entirely inside your local browser memory using JavaScript. No numbers, costs, or formulas ever leave your device.

What is a Keystone Markup? ▼

Keystone pricing is a retail pricing method where merchandise is priced for resale at double the wholesale cost (a 100% markup), resulting in an exact 50% gross profit margin.

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