Area & Volume
Square footage, cubic yards and the unit math behind every job.
Cubic Yards
Any bulk material
Convert length, width and depth into cubic yards for concrete, soil, gravel, mulch or any bulk material.
Cubic Feet
Volume of anything
Calculate cubic feet from length, width and height, and convert to cubic yards, cubic meters and gallons.
Square Footage
Rooms & floors
Calculate the square footage of a room or area from its length and width, with optional quantity for multiple rooms.
Square Yards
Carpet & flooring
Convert a length and width in feet to square yards — for carpet, flooring and landscaping orders.
Linear Feet
Flooring & trim
Convert square footage to linear feet for flooring, decking, lumber or trim — just enter the area and the width of each piece.
Area & Volume guides
The formulas, conversions and how-tos behind these calculators.
How to Convert Cubic Feet to Cubic Yards
Divide cubic feet by 27 to get cubic yards. Here's why, with a conversion table for common volumes.
What Is a Cubic Yard?
A cubic yard is a volume 3 feet wide, 3 feet long and 3 feet tall — 27 cubic feet. Here's how to picture it.
How to Calculate Square Footage
Multiply length by width in feet to get square footage. Here's how to handle rooms, L-shapes and odd angles.
How to Convert Square Feet to Square Yards
Divide square feet by 9 to get square yards. Useful for ordering carpet, flooring and concrete by the yard.
How Many Square Feet Are in an Acre?
An acre is exactly 43,560 square feet — about the size of a US football field without the end zones.