The Room Size Calculator helps you calculate the area and perimeter of a room. Simply fill in the fields above and click Calculate to get an instant result.
This calculator is part of Calculate Wiki’s Construction Calculators collection.
What You’ll Need
- Room Length (ft)
- Room Width (ft)
Formula Used
Area = Length × Width
Perimeter = 2 × (Length + Width)
Example Calculation
Using example inputs — Room Length = 12 ft; Room Width = 10 ft — the Room Size Calculator returns:
| Value | Result |
|---|---|
| Area | 120 sq ft (13.3 sq yd) |
| Perimeter | 44 ft |
120 sq ft. Perimeter: 44 ft.
Helpful Information
Results from the Room Size Calculator are estimates based on standard formulas used in the construction calculators field. For projects with significant cost, health, or safety implications, consider verifying results with a qualified professional.