Rectangle perimeter

Geometry / FREE CALCULATOR

Find the distance around a rectangle.

Enter your numbers

READY WHEN YOU ARE

Your answer starts here.

Enter your values and select Calculate to see the result and any available breakdown.

How to use this calculator

  1. Enter length. Use the unit shown beside the field.
  2. Enter width. Use the unit shown beside the field.
  3. Select Calculate and review the result. Select Reset to restore the example inputs.

How the calculation works

2*(Length+Width)

Worked example

Length = 8; Width = 5. Result: 26 length units.

Understand your result

Find the distance around a rectangle. The result is expressed in length units.

Assumptions and limitations

Use the same unit for both dimensions. Results are rounded for display.

Questions about this tool

What does this tool calculate?

Find the distance around a rectangle.

What should I check before using the answer?

Use the same unit for both dimensions.

Related guides

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