How Many Tiles Do I Need for a Bathroom Floor or Shower?
Divide the area by the area of one tile plus its grout joint, then add 10–15% for cuts. Worked examples for a bathroom floor, a tub surround and a backsplash.
ProjectCalcly Team
How to Measure a Room for Flooring (Step-by-Step)
Measure the length and width of each rectangle, add the areas, add 10% for waste and divide by the box coverage. Here is how to handle L-shaped rooms and closets.
How Much Mulch Do I Need? Bags, Yards and Coverage
One cubic yard of mulch covers about 108 sq ft at 3 inches deep, and a 2 cu ft bag covers 8 sq ft. Here is how to work out bags and yards for any bed.
How Much Gravel Do I Need for a Driveway?
A 50 × 12 ft gravel driveway built 6 inches deep needs about 11 cubic yards, or roughly 16 tons. Here is how to calculate it and how to layer the stone.
How Many Concrete Blocks Do I Need for a Wall?
A standard block wall needs 1.125 blocks per square foot. Here is how to count blocks by area or by courses, with examples and mortar estimates.
How Many Bags of Concrete Do I Need? (10×10 Slab and More)
A 10×10 ft slab that is 4 inches thick needs about 56 bags of 80 lb concrete. Here is the formula, a chart for common slab sizes and tips for ordering.