Direct answer

Multiply each room dimension in feet by 0.3048.

Meters = feet x 0.3048

For a 12-foot by 10-foot room:

12 x 0.3048 = 3.6576 meters

10 x 0.3048 = 3.048 meters

12 ft x 10 ft = 3.6576 m x 3.048 m

Use the Feet to Meters Converter for each room dimension.

How to convert room length and width

  1. Record the room length in feet.
  2. Record the room width in feet.
  3. Multiply the length by 0.3048.
  4. Multiply the width by 0.3048.
  5. Write the converted dimensions in the same order.

Do not multiply the length and width together unless you also need the floor area.

Example: convert a 10-foot by 10-foot room

10 x 0.3048 = 3.048 meters

10 ft x 10 ft = 3.048 m x 3.048 m

Rounded to two decimal places, the room is approximately 3.05 meters by 3.05 meters.

Example: convert a 12-foot by 14-foot room

12 x 0.3048 = 3.6576 meters

14 x 0.3048 = 4.2672 meters

12 ft x 14 ft = 3.6576 m x 4.2672 m

Rounded to two decimal places, this is approximately 3.66 meters by 4.27 meters.

Example: convert a 15-foot by 20-foot room

15 x 0.3048 = 4.572 meters

20 x 0.3048 = 6.096 meters

15 ft x 20 ft = 4.572 m x 6.096 m

Common room dimensions in meters

Room dimensions Metric dimensions
8 ft x 10 ft2.4384 m x 3.048 m
9 ft x 10 ft2.7432 m x 3.048 m
10 ft x 10 ft3.048 m x 3.048 m
10 ft x 12 ft3.048 m x 3.6576 m
11 ft x 12 ft3.3528 m x 3.6576 m
12 ft x 12 ft3.6576 m x 3.6576 m
12 ft x 14 ft3.6576 m x 4.2672 m
12 ft x 16 ft3.6576 m x 4.8768 m
14 ft x 16 ft4.2672 m x 4.8768 m
15 ft x 20 ft4.572 m x 6.096 m

Convert a ceiling height from feet to meters

Ceiling height is a linear measurement and uses the same conversion factor.

Ceiling height Meters
7 ft2.1336 m
8 ft2.4384 m
9 ft2.7432 m
10 ft3.048 m
12 ft3.6576 m
15 ft4.572 m

Convert room dimensions containing inches

Some room measurements contain separate feet and inches. Convert them to total inches or decimal feet before calculating meters.

Example: 12 feet 6 inches

12 feet 6 inches = 150 inches

150 x 0.0254 = 3.81 meters

12 feet 6 inches = 3.81 meters

Example room: 12 feet 6 inches by 10 feet 3 inches

12 ft 6 in = 3.81 meters

10 ft 3 in = 3.1242 meters

12 ft 6 in x 10 ft 3 in = 3.81 m x 3.1242 m

Room dimensions versus floor area

Length and width are linear dimensions. Floor area is a separate square measurement.

Room length Feet or meters
Room width Feet or meters
Floor area Square feet or square meters

A 12-foot by 10-foot room has an area of 120 square feet. Converting the two dimensions produces 3.6576 meters by 3.048 meters. Multiplying those metric dimensions gives 11.1483648 square meters.

Do not use the linear factor 0.3048 directly on a square-foot value.

Wall measurements

Convert wall length and wall height separately. For example, a wall measuring 12 feet long and 8 feet high converts as follows:

12 feet = 3.6576 meters

8 feet = 2.4384 meters

Wall dimensions: 3.6576 m x 2.4384 m

Calculating paint, wallpaper, or paneling quantities may also require wall area and allowances for doors, windows, and waste.

Room dimensions for furniture planning

Converting room dimensions can help compare them with furniture specifications listed in metric units.

Keep these practical details in mind:

  • door swing and doorway width;
  • window and radiator positions;
  • walkway clearance;
  • baseboards and trim;
  • built-in cabinets;
  • measurement uncertainty;
  • furniture assembly clearance.

A unit conversion does not determine whether an item will fit through a doorway or around a corner.

How much should room dimensions be rounded?

Two decimal places are often sufficient for general room comparisons, but detailed planning may require more precision.

Exact: 12 feet = 3.6576 meters

Three decimals: 3.658 meters

Two decimals: 3.66 meters

One decimal: 3.7 meters

The rounding level should reflect the quality of the original room measurement.

Common room conversion mistakes

Converting only one dimension

Convert both length and width when describing a room.

Confusing feet and square feet

Room dimensions are linear, while floor area is square.

Dropping the inch portion

A measurement such as 12 feet 6 inches should not be rounded to 12 feet before conversion.

Rounding too early

Keep the full metric dimensions until the final step.

Assuming converted dimensions guarantee furniture fit

Openings, corners, trim, and installation clearance also matter.

Related feet-to-meters guides

Frequently asked questions

How do I convert room dimensions from feet to meters?

Multiply the room length and width separately by exactly 0.3048.

What is a 12-foot by 10-foot room in meters?

A 12-foot by 10-foot room is 3.6576 meters by 3.048 meters.

How many meters is an 8-foot ceiling?

An 8-foot ceiling equals exactly 2.4384 meters.

Can I convert square feet by multiplying by 0.3048?

No. The factor 0.3048 converts linear feet. Square feet require a separate area conversion.