Project guides
Each guide walks one job from the tape measure to the order: what to measure, how deep, what the layers are, how to buy it, and what goes wrong. The calculator sits on the page, filled in for the example, ready for your numbers.
The pad · 8 guidesFigures checked 2026-09-04
- 01How much gravel for a drivewayHow to measure a gravel driveway, build it as a compacted base plus a finer top course, and order by the cubic yard or the ton. Prefilled 40 × 12 ft.Gravel calculator
- 02How much concrete for a 10×10 slabConcrete for a 10 × 10 ft slab at 4 in: forms, a gravel base, when to buy bags and when to order ready-mix, curing, and the mistakes that crack it.Concrete calculator
- 03How much mulch do I needMeasure your beds, pick 2–3 in for new mulch or 1–2 in to top up, and read cubic yards and bags; a cubic yard covers about 100 sq ft at 3 in.Mulch calculator
- 04How much topsoil for a new lawnTopsoil for a new lawn: 4–6 in of screened soil, cubic yards from your measurements, weight per yard, grading and settling. Prefilled 50 × 30 ft.Topsoil calculator
- 05How many pavers for a patioPavers for a patio by count and pallet, plus excavation depth, a 4 in stone base, 1 in of bedding sand and the cutting allowance by pattern.Paver calculator
- 06How much paint for a roomMeasure a room’s walls by perimeter × height, subtract doors and windows, and count gallons at 350–400 sq ft per coat. Prefilled for a 12 × 14 ft room.Paint calculator
- 07How many bags of concrete for a fence postBags of concrete per fence post: a hole 3× the post width, depth a third of the height and below frost, 6 in of gravel, bags from the volume.Concrete calculator
- 08How much sod for a lawnMeasure the lawn in sections, add 5–10 % for cuts around beds, and count rolls of about 10 sq ft and pallets of 450–500 sq ft.Sod calculator