Square Footage Calculator

Calculate room area in square feet or square meters. Instantly converts between sq ft and sq m.

Length (ft)

Width (ft)

120 sq ft

= 11.1 sq m

📐 Formula

Area = Length × Width. Sq ft to sq m: multiply by 0.092903. Sq m to sq ft: multiply by 10.7639

Frequently Asked Questions

Measure the length and width of the room in feet, then multiply the two numbers. For irregular rooms, divide them into rectangles, calculate each area, and add them together.

1 square meter = 10.7639 square feet. 1 square foot = 0.092903 square meters. So a 100 sq ft room is about 9.29 sq m.

1 acre = 43,560 square feet, or approximately 4,047 square meters. A typical suburban house lot is 0.25–0.5 acres (10,890–21,780 sq ft).