DIY project guides
Walkthroughs that open a calculator with the sizes from the article. US feet and inches.
Concrete & Masonry
Bags of Concrete or a Ready-Mix Truck: Which Is Cheaper?When bagged concrete beats a ready-mix truck: bag counts, cost per yard, short-load fees and the hard work of mixing, with a 10 x 10 slab example.Updated November 1, 2026How Many Bags of Concrete per Fence Post?Bags of concrete per fence post: hole 3 times the post width, 6 inches of gravel, then concrete. Bag counts for 4x4 and 6x6 posts, with the math shown.Updated November 1, 2026
Landscaping
How Much Gravel Do I Need for a Shed Base?Gravel for a shed base: size the pad 12 inches wider than the shed on every side, 4 to 6 inches deep. Worked 12 x 16 example, table for common sheds.Updated November 1, 2026How Much Topsoil to Level a Lawn or Fill Low SpotsHow much topsoil to level a lawn: no more than half an inch per pass, matched to your soil. Amounts for 100 to 1,000 square feet, and how to apply it.Updated November 1, 2026Mulch in Bags or Bulk: Which Is Cheaper?Bagged mulch vs bulk by the yard: 13.5 bags make a cubic yard. Cost ranges at 1, 2, 3 and 5 yards, delivery fees, and when bulk starts to pay off.Updated November 1, 2026Paver Patio Base: How Deep and How Much Gravel and Sand?How deep a paver patio base should be: 6 to 8 inches of compacted crushed stone and 1 inch of sand. Worked 12 x 12 patio with gravel and sand amounts.Updated November 1, 2026Pea Gravel vs Crushed Stone: Paths, Patios and Bases?Pea gravel or crushed stone? Rounded pea gravel rolls underfoot; angular crushed stone locks together. Which to use for paths, patios, bases and beds.Updated November 1, 2026