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Area Calculator

Compute rectangular area with instant unit conversions.

Calculate Area
m
m

How to Use

  1. Enter the length of the space you want to measure.
  2. Enter the width using the same unit of measurement.
  3. Select the unit (meters, centimeters, or feet) that matches your inputs.
  4. Click Calculate Area to view the result and unit conversions.

What Is Area?

Area measures the amount of two-dimensional space inside a shape. For rectangles and rooms, it is calculated by multiplying length by width.

Using consistent units is essential. If you enter length in meters and width in centimeters, convert one of them before calculating.

Common Area Units

UnitSymbolEquivalent
Square meterBase SI unit
Square centimetercm²1 m² = 10,000 cm²
Square footft²1 m² = 10.7639 ft²

Tips for Accurate Measurements

  • Measure the longest parts of the room for irregular spaces.
  • Convert mixed units to a single system before calculating.
  • Round input values consistently for realistic estimates.
  • Record results in multiple units for easier communication.

Frequently Asked Questions

Can I calculate the area of irregular shapes?
This tool focuses on rectangles. For irregular spaces, break the area into rectangles or triangles, calculate each separately, and add the results.
What unit should I choose?
Pick the unit that matches how you measured length and width. The calculator converts the final area into square meters, square feet, and square centimeters automatically.
How precise are the conversions?
Conversions use standard factors (1 m = 3.28084 ft). Results are rounded for readability, but the underlying math is precise to at least three decimal places.

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