Skip to content

Comparative Advantage Calculator

Result

Calculated result Ready Change any value to calculate instantly.
↗ Finance

Comparative Advantage Calculator — free online calculator.

Formula

Opportunity cost of X = Units of Y forgone ÷ Units of X gained
  • Comparative advantage calculator. This page explains the calculator's stated mathematical relationship and includes a worked example.
  • The main inputs are A: units of X, A: units of Y, B: units of X, B: units of Y. Enter them in the units and format shown in the calculator.
  • Use monetary amounts, rates and time periods exactly as labeled; the result reflects the assumptions entered on this page.
  • Changing any input above recalculates the result with the same calculation engine used by this page.

Example: Comparative Advantage

Inputs
  • A: units of X: 10
  • A: units of Y: 20
  • B: units of X: 8
  • B: units of Y: 24

If producing 10 X instead of 20 Y, the opportunity cost of 1 X is 2 Y.

Sample result: Calculating…

Frequently asked questions

What does the Comparative Advantage calculate?

Comparative advantage belongs to the producer with the lower opportunity cost, not necessarily the higher absolute output.

Which values should I enter?

Enter A: units of X, A: units of Y, B: units of X, B: units of Y using the units and format shown beside each field.

What formula does this calculator use?

The calculator uses the following relationship: Opportunity cost of X = Units of Y forgone ÷ Units of X gained.

Why might my result differ from another source?

Results can differ when another source uses different units, rounding rules, conventions or assumptions. Compare the inputs and definitions before comparing results.

Does the result update automatically?

Yes. Changing an input updates the result using the same calculation engine shown on this page.

Page information

Updated: October 6, 2026