What is a Room Area Calculator?
A Room Area Calculator helps you quickly determine the total area of one or more rooms by entering the length and width of each room. It provides results in both imperial units (sq ft) and metric units (m²) — making it ideal for homeowners, builders, and interior designers.
Formula to Calculate Room Area
1. Area of a Single Room (in square feet)
To calculate the area of a room:
Area (sq ft)=Length (ft)×Width (ft)
2. Total Area for Multiple Rooms (in square feet)
Add the area of all rooms:
Total Area (sq ft)=∑i=1n(Lengthi×Widthi)
3. Convert Total Area to Square Meters
Use the conversion factor:
1 square foot = 0.092903 square meters
Total Area (m²)=Total Area (sq ft)×0.092903
Example Calculation
Let’s say you have 3 rooms:
- Room 1: 12 ft × 10 ft
- Room 2: 14 ft × 11 ft
- Room 3: 10 ft × 9 ft
Step 1: Calculate Each Room's Area
Room 1:
Room 1: 12×10=120sq ft
Room 2:
Room 2: 14×11=154sq ft
Room 3:
Room 3: 10×9=90sq ft
Step 2: Add Total Area in sq ft
Total Area (sq ft)=120+154+90=364sq ft
Step 3: Convert to Square Meters
Total Area (m²)=364×0.092903≈33.81m²
Frequently Asked Questions
Q1. Can I calculate the area of irregular-shaped rooms?
This calculator is for rectangular rooms. For irregular rooms, divide them into rectangles, calculate each area, and sum them up.
Q2. Why does the calculator show results in square meters?
To help users around the world, we provide both square feet (imperial) and square meters (metric).
Q3. Can I use this for flooring estimates?
Yes! Total area is essential for estimating materials like tiles, carpet, or laminate.
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