Square Meter Calculator
Need to calculate the area of a room, floor, wall, yard, or other space in square meters? Use our Square Meter Calculator to get the answer quickly.
Enter the length and width of the area, and the calculator will calculate the total area in square meters (m²).
You can use it for home improvement projects, flooring, construction, real estate, landscaping, room measurements, and any other situation where you need to calculate area in square meters.
How to Calculate Square Meters
For a rectangular or square area, calculating square meters is simple.
Use this formula:
Square meters = Length × Width
The important part is making sure both measurements are in meters before multiplying.
For example, if a room is:
Length: 5 meters
Width: 4 meters
The calculation is:
5 × 4 = 20 square meters
So the room has an area of 20 square meters.
How to Calculate Square Meters of a Room
To calculate the area of a room in square meters, measure the room’s length and width in meters.
Then multiply the two measurements.
For example:
Length: 6 meters
Width: 4 meters
6 × 4 = 24 m²
The room is 24 square meters.
This method works for bedrooms, living rooms, kitchens, offices, garages, and other rectangular spaces.
What If the Room Has an Irregular Shape?
Not every room is a perfect rectangle.
If your room is L-shaped or has sections that extend out, divide it into smaller rectangular areas.
Calculate each section separately and then add the results.
For example:
Section 1: 5 × 4 = 20 m²
Section 2: 2 × 3 = 6 m²
Total area = 26 m²
This is an easy way to calculate the square meters of an irregular space.
Square Meter Formula
The basic formula for calculating square meters is:
Area = Length × Width
When both measurements are in meters, the result is in square meters.
For example:
8 m × 5 m = 40 m²
So an area measuring 8 meters by 5 meters is 40 square meters.
How to Calculate Square Meters From Measurements
If your measurements are already in meters, you only need a few steps.
Measure the length of the area.
Measure the width of the area.
Make sure both measurements are in meters.
Multiply the length by the width.
Length × Width = Square Meters
Our calculator does this calculation for you, so you don’t have to work it out manually.
Calculate Square Meters From Feet
If your measurements are in feet, you’ll need to convert them to meters before calculating square meters.
The conversion is:
1 foot = 0.3048 meters
For example, suppose a room is:
12 feet × 10 feet
Convert the measurements:
12 × 0.3048 = 3.6576 meters
10 × 0.3048 = 3.048 meters
Then multiply:
3.6576 × 3.048 = 11.15 m²
So a 12 ft × 10 ft room is approximately 11.15 square meters.
If you already know the area in square feet, you can also convert it directly:
1 square foot = 0.092903 square meters
Square Meter Calculator for Flooring
Planning to install new flooring?
First, calculate the floor area in square meters. This can help you estimate how much flooring material you’ll need.
For a rectangular room:
Length × Width = Floor Area
For example:
5 m × 6 m = 30 m²
The floor area is 30 square meters.
When purchasing flooring, you may want to allow for additional material to account for cuts, fitting, and waste. The amount needed depends on the flooring type and installation method.
Square Meter Calculator for Tiles
You can also use square meters when estimating how many tiles you’ll need.
First, calculate the total area of the surface.
For example:
Wall: 4 m × 2.5 m
4 × 2.5 = 10 m²
The wall has an area of 10 square meters.
To determine the number of tiles required, you’ll also need to know the area covered by each tile.
Square Meter Calculator for Walls
To calculate the square meter area of a wall, multiply its length by its height.
Wall area = Length × Height
For example:
6 m × 2.5 m = 15 m²
The wall has a surface area of 15 square meters.
If you’re calculating how much paint, wallpaper, or another covering you need, you can subtract the area of doors and windows for a more precise estimate.
Square Meter Calculator for Land and Outdoor Areas
Square meters can also be used to measure yards, gardens, patios, decks, and other outdoor spaces.
For example:
10 m × 8 m = 80 m²
The area is 80 square meters.
For an irregularly shaped outdoor area, divide it into smaller sections, calculate each section, and add the results together.
Square Meters vs. Square Feet
Square meters and square feet are both units used to measure area, but they are not the same size.
The basic conversion is:
1 square meter = 10.7639 square feet
And:
1 square foot = 0.092903 square meters
For example:
100 sq ft ≈ 9.29 m²
This conversion is particularly useful when measurements or property information are provided in different units.
How Many Square Meters Is My Room?
To find the square meter area of your room, measure the length and width in meters and multiply them.
Here are some common examples:
| Room Size | Area |
|---|---|
| 3 m × 3 m | 9 m² |
| 4 m × 4 m | 16 m² |
| 4 m × 5 m | 20 m² |
| 5 m × 5 m | 25 m² |
| 5 m × 6 m | 30 m² |
| 6 m × 6 m | 36 m² |
If your room has different dimensions, enter your measurements into the calculator above.
Square Meter Calculator for Construction
Square meters are commonly used to measure the area of floors, walls, ceilings, roofs, and other surfaces.
You can use the calculator to estimate the area before purchasing materials or planning a project.
For larger or more complicated projects, remember that a simple area calculation may not account for slopes, openings, waste, or other construction-specific factors.
Frequently Asked Questions
How do I calculate square meters?
For a rectangular or square area, multiply the length by the width, with both measurements in meters.
Square meters = Length × Width
What is the formula for square meters?
The basic formula is:
Area = Length × Width
If the length and width are measured in meters, the result is square meters.
How many square meters is a 10 by 10 meter area?
A 10-meter by 10-meter area is:
10 × 10 = 100 m²
So the area is 100 square meters.
How do I calculate square meters from feet?
Convert each measurement from feet to meters using:
1 foot = 0.3048 meters
Then multiply the converted length by the converted width.
Alternatively, if you already know the area in square feet:
Square meters = Square feet × 0.092903
How many square meters are in 100 square feet?
100 square feet ≈ 9.29 square meters.
How many square feet are in one square meter?
1 square meter = approximately 10.76 square feet.
How do I calculate the square meters of a room?
Measure the room’s length and width in meters and multiply them.
For example:
5 m × 4 m = 20 m²
The room is 20 square meters.
How do I calculate square meters of an irregular room?
Divide the room into smaller rectangles or other simple shapes. Calculate the area of each section and add the results together.
Can I use this calculator for walls?
Yes. Multiply the wall’s length by its height to calculate its area in square meters.
Can I use this calculator for flooring?
Yes. Measure the floor’s length and width in meters and multiply them to find the floor area.
Is a square meter the same as a meter?
No.
A meter measures length or distance, while a square meter measures area.
For example, a square that is 1 meter long and 1 meter wide has an area of 1 square meter.
Calculate Square Meters
Whether you’re measuring a room, calculating flooring, estimating wall area, planning a renovation, or converting measurements, you can calculate the area in seconds.
Enter your length and width above to calculate the square meters of your space.