30 inches is 30 inches! 30 / 12 = 2.5 which is 2 feet 6 inches.
30 centimeters = 11.81 inches
30 inches = 76.2 centimeters.76.2 cm
The circumference of a circle 30 inches in diameter is 30*pi inches
Two feet equals 24 inches. Therefore, 30 inches is longer by 6 inches.
30" x 40" = 1,200 square inches.
1 feet = 12 inches 12 inches =1 foot 1 inch=1/12 30 inches=1/12 x 30 30 inches=5/2 30 inches=2.5 feet
Area calculation: 30 inches by 30 inches = (30 x 30) square inches =900 square inches or, if you want square feet instead: 12 inches x 12 inches (1 square foot) = 144 square inches Take your 900 square inches and divide by 144 to get square feet. 900 / 144 = 6.25 square feet
30 inches= 76.2 centimetres.
There are 12 inches in 1 foot so there are 12 x 30 inches, which is 360 inches, in 30 feet.
30 cm is approximately 11.81 inches when converted.
A sphere with a radius of 30 inches has a diameter of 60 inches, a surface area of 4π(30 inches)^2 ≈ 11,310.7 square inches, and a volume of 4/3π(30 inches)^3 ≈ 113,097.3 cubic inches.