Room Dimension Calculator

Calculate area, perimeter, and volume for any room in seconds

Calculator Options

cm

m²/L
Room Visualization
Adjust dimensions in the left panel to see changes in real-time.
Basic Calculations
Floor Area 20.00 m²
Wall Area 45.00 m²
Perimeter 18.00 m
Volume 50.00 m³
Material Estimates
Floor Tiles Needed 223 tiles
Paint Needed 4.5 L
Carpet Needed 20.00 m²
Detailed Report
Room Dimension Report

Room Type: Bedroom

Dimensions: 5.00m × 4.00m × 2.50m

Floor Area: 20.00 m²

Wall Area: 45.00 m²

Volume: 50.00 m³

Material Estimates

Flooring: Tile (30cm × 30cm)

Tiles Needed: 223 tiles (including 5% waste)

Paint Needed: 4.5 liters for 2 coats

Quick Reference
Tips & Tricks
  • • Measure twice, calculate once!
  • • Add 10% extra for flooring waste
  • • Dark colors make rooms appear smaller
  • • Standard ceiling height is 2.4-2.7m
Standard Dimensions
Need Help?

Check our interactive guide for detailed instructions on measuring your room accurately.