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Profit Loss Percentage Calculator – Profit Margin & ROI

The Profit Loss Percentage Calculator is an essential tool for e-commerce sellers, business owners, and finance students. Enter your Cost Price (CP) and Selling Price (SP) to instantly calculate dollar profit or loss, profit percentage relative to cost (Return on Investment), gross profit margin relative to revenue, and markup percentage.

Profit & Loss Percentage Calculator

Calculate profit margin, profit percentage on cost, markup, and target selling price

$
$
Net Profit+50.00% on Cost
+$40.00/ unit
Profit Percentage (% on Cost):50.00%
Gross Profit Margin (% on Price):33.33%
Markup Percentage:50.00%
Quick Margin vs. Markup Cheat Sheet

Margin is profit divided by selling price, while Markup is profit divided by cost price.

10% Margin = 11.1% Markup
20% Margin = 25.0% Markup
25% Margin = 33.3% Markup
33.3% Margin = 50.0% Markup
50% Margin = 100% Markup
75% Margin = 300% Markup

Profit & Loss Core Accounting Formulas

How this mathematical and clinical model is calculated

Profit = SP - CP | Profit % = ((SP - CP) / CP) * 100% | Margin % = ((SP - CP) / SP) * 100%

Differentiates between profit percentage (measured on cost) and gross profit margin (measured on selling price).

Step-by-Step Calculation Process:

1

Enter Cost Price (CP) and Selling Price (SP).

2

Optional: Enter units sold to calculate total cumulative revenue and profit.

3

Review profit/loss status, profit margin percentage, and markup percentage.

Key Capabilities & Features

Instant profit/loss amount and color-coded status badge
Calculates Profit % (on cost), Margin % (on revenue), and Markup %
Quantity multiplier for multi-unit batch sales analysis
Margin vs Markup quick reference conversion matrix

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Help & FAQ

Frequently Asked Questions: Profit Loss Percentage Calculator – Profit Margin & ROI

Everything you need to know about tools in this section.

Profit percentage (markup on cost) measures profit as a percentage of Cost Price: (Profit / Cost) * 100%. Profit margin measures profit as a percentage of Selling Price: (Profit / Selling Price) * 100%. If an item costs $80 and sells for $100, profit is $20: profit percentage on cost is 25%, while profit margin is 20%.