How Many Square Feet in a 40 x 10 Foot Room?

Calculate an area based on the dimensions in feet.
Area Based on Dimensions
feet
inches

feet
inches
Results
Square Feet
Acres
Square Meters
Dimensions in Meters
Hectares
Football Fields
Basketball Courts
How big is an area of 40ft by 10ft?
A 40 x 10 area is 400 sq feet. This could be used to calculate the square footage of any rectangular area such as a living room, bathroom, backyard, park, or floor area. Square footage is also commonly used to estimate the cost of material needed for painting, flooring, and other types of construction.
How many square meters are in a 40 foot by 10 foot area?
There are about 10.7639 ft2 in a m2. In an area of 40ft by 10ft, there are 37.16 square meters.
Square Footage Based on Dimensions
Dimensions 10 ft 11 ft 12 ft 13 ft 14 ft 15 ft 16 ft 17 ft 18 ft 19 ft
40 ft 400 440 480 520 560 600 640 680 720 760
41 ft 410 451 492 533 574 615 656 697 738 779
42 ft 420 462 504 546 588 630 672 714 756 798
43 ft 430 473 516 559 602 645 688 731 774 817
44 ft 440 484 528 572 616 660 704 748 792 836
45 ft 450 495 540 585 630 675 720 765 810 855
46 ft 460 506 552 598 644 690 736 782 828 874
47 ft 470 517 564 611 658 705 752 799 846 893
48 ft 480 528 576 624 672 720 768 816 864 912
49 ft 490 539 588 637 686 735 784 833 882 931
Favorite Resources