Construction & DIY·12 calculators
Square footage, materials estimation, and building calculations
Estimate bricks and mortar for a wall after openings, joints, thickness, and waste.
Volume and bag count for slabs and columns.
Estimate deck boards, rows, and stock-board count before buying.
Estimate drywall sheets needed for any room.
Panels and posts for a straight run or rectangular yard.
Plan insulation packages from area, openings, waste, and pack coverage.
Volume of mulch or gravel for any area.
Estimate paint quantity for any room.
Roof-side geometry planner with x:12 pitch and rafter length.
Plan a straight-stair layout from rise and tread dimensions.
Estimate tiles needed for any floor or wall area.
Rolls to buy for any rectangular room.