DIY knowledge base

Project guides that show the math.

Measure correctly, understand the formula and use the matching calculator before your next trip to the home center.

Epoxy · 9 min read

How Much Epoxy Do I Need for a Garage Floor?

Calculate epoxy for a garage floor by square footage, coating thickness and number of coats. Includes a coverage chart for 1-, 2- and 3-car garages.

Gravel · 8 min read

Calculate pea gravel for a patio by square footage and depth. Includes cubic-yard, ton and 50 lb bag estimates for common patio sizes.

Pavers · 9 min read

Calculate paver base, leveling sand and paver count for a patio. Includes recommended depths and estimates for common patio sizes.

Concrete · 9 min read

Calculate concrete for a slab in cubic yards and 40, 60 or 80 lb bags. Includes a 10×10 slab example, waste allowance and ordering tips.