https://housemathpro.com/guides Home project cost guides for US homeowners, with sourced prices. en-us Sun, 18 Oct 2026 12:00:00 GMT https://housemathpro.com/10x12-concrete-slab-cost https://housemathpro.com/10x12-concrete-slab-cost A 10x12 concrete slab (120 sq ft) costs about $720–$1,440 installed. See cost by thickness, how much concrete it needs, and DIY vs pro. Sun, 18 Oct 2026 12:00:00 GMT https://housemathpro.com/how-many-bundles-of-shingles-in-a-square https://housemathpro.com/how-many-bundles-of-shingles-in-a-square Most shingles come 3 bundles per square (100 sq ft), about 33.3 sq ft per bundle. See shingles per bundle for 3-tab vs architectural, plus a chart. Sun, 18 Oct 2026 12:00:00 GMT https://housemathpro.com/how-many-tons-in-a-yard-of-gravel https://housemathpro.com/how-many-tons-in-a-yard-of-gravel A cubic yard of gravel weighs about 1.4 to 1.7 tons (2,800–3,400 lb). See weight by gravel type and a yards-to-tons conversion chart. Sun, 18 Oct 2026 12:00:00 GMT https://housemathpro.com/how-much-gravel-for-a-driveway https://housemathpro.com/how-much-gravel-for-a-driveway A gravel driveway needs at least 5–6 inches of gravel in layers. See tons needed by driveway size, which gravel to use for each layer, and costs. Sun, 18 Oct 2026 12:00:00 GMT https://housemathpro.com/pea-gravel-vs-crushed-stone https://housemathpro.com/pea-gravel-vs-crushed-stone Compare pea gravel, crushed stone and river rock: price per ton, weight, best uses and which works for driveways, paths and drainage. Sun, 18 Oct 2026 12:00:00 GMT https://housemathpro.com/vinyl-vs-fiberglass-windows-cost https://housemathpro.com/vinyl-vs-fiberglass-windows-cost Vinyl windows cost about $350–$800 each installed vs $400–$1,500 for fiberglass. Compare prices for a whole house and see which is worth it. Sun, 18 Oct 2026 12:00:00 GMT https://housemathpro.com/how-many-bags-of-concrete-for-10x10-slab https://housemathpro.com/how-many-bags-of-concrete-for-10x10-slab A 10x10 slab 4 inches thick needs about 62 bags of 80 lb concrete or 82 bags of 60 lb, with 10% extra. See charts for 4, 5 and 6 inch slabs. Sat, 17 Oct 2026 12:00:00 GMT