Business calculator

Gross Margin Calculator

Calculate gross profit and gross margin from revenue and cost of goods sold.

Your inputsStart with your numbers
Scenario referenceBusiness planning model

Gross profit = Revenue − COGS; Gross margin = Gross profit ÷ Revenue × 100

Change one input at a time to see what drives the result.
Live estimateYour result
● Updates instantly
Gross profit$4,000.00
Gross margin40%
Decision tip

Try a conservative, expected and optimistic scenario before you decide.

✓ Free to use✓ No account or saved data✓ Formula shown below
How to use

Enter the values used by gross margin

Calculate gross profit and gross margin from revenue and cost of goods sold. Enter the assumptions for the same time period and currency, and check any minimum or maximum values displayed next to the input fields.

01
Record your inputs

Revenue, Cost of goods sold.

02
Compare a second case

Change one variable so you can see the effect without mixing several assumptions.

03
Check the calculation

The worked example below shows the formula and the independently rendered default-input results.

Complete worked example

Calculate gross margin from sample inputs

These are the same starting values loaded into the interactive calculator above. The displayed results below come from the same calculation engine as the live tool.

Step 1 — Record the inputs

Revenue$10,000
Cost of goods sold$6,000

Step 2 — Identify the formula

FORMULAGross profit = Revenue − COGS; Gross margin = Gross profit ÷ Revenue × 100

Step 3 — Substitute the values

For this exact worked case, use Revenue = $10,000; Cost of goods sold = $6,000. Replace named formula variables with their input values as shown below. Keep the units consistent; a percent is divided by 100 wherever the model requires a decimal rate.

NUMERIC SUBSTITUTIONGross profit = $10,000 − $6,000; Gross margin = Gross profit ÷ $10,000 × 100

Step 4 — Read the calculated answer

Gross profit$4,000.00
Gross margin40%

Rounding follows the calculator display: whole units may be rounded up when an indivisible unit is required, while other values typically show up to two decimal places. The result is conditional on the entered assumptions, not a market quotation.

Decision interpretation

How to interpret this gross margin result

Gross margin focuses on revenue left after direct costs. Keep the cost definition consistent when comparing products, periods or business models.

Compare the calculated unit economics with the operating target for the same month, quarter, or project. Keep fixed and variable costs separate before changing prices or capacity.

Scenario comparison

Change the revenue or sales-volume assumption while holding the cost definition steady; then repeat with higher input costs.

Assumptions and limitations

An arithmetic estimate does not account for unentered overhead, cash timing, taxes or a changing product mix.

  • Revenue: Enter a finite monetary value of at least 0. Use a consistent definition across comparison cases.
  • Cost of goods sold: Enter a finite monetary value of at least 0. Use a consistent definition across comparison cases.

Frequently asked questions

What does this calculator include?

It uses the named inputs above and the formula shown in the worked example. No other fees, revenue streams, or external data are automatically included.

Why could my real result be different?

An arithmetic estimate does not account for unentered overhead, cash timing, taxes or a changing product mix.

How should I compare two results?

Change the revenue or sales-volume assumption while holding the cost definition steady; then repeat with higher input costs. Record the assumption that changed so a higher or lower answer is interpretable.

Transparent formula

Gross Margin calculation method

CORE FORMULAGross profit = Revenue − COGS; Gross margin = Gross profit ÷ Revenue × 100

Gross margin focuses on revenue left after direct costs. Keep the cost definition consistent when comparing products, periods or business models.

Use with care

What this estimate does—and does not—include

This tool is designed for quick planning and comparison. For tax, accounting, legal, investment, lending, or other regulated decisions, verify the result against the rules and assumptions that apply to your situation.

CalcScoutHQ shows the calculation logic so you can check assumptions, understand the result, and reproduce the math independently when needed.