Page 3 of the Square Feet Calculators topic archive. Return to page one for the full topic guide.
For a causes-and-fixes approach, use consistent units and real package coverage, yield, rate or vehicle data, keep full precision through the math, and round only when converting to a usable quantity. The goal is to confirm.
For this “what to check first” angle, use consistent units and real package coverage, yield, rate or vehicle data, keep full precision through the math, and round only when converting to a usable quantity. The goal is.
Cubic yards = square feet × depth in feet ÷ 27. Convert inches of depth to feet first, then round up for compaction, uneven grade and minimum delivery quantities.
For a rectangle, square feet = length in feet × width in feet. Split irregular rooms into rectangles, calculate each area and add them together.