Guides
Short how-tos for the same jobsite math as the calculators.
Estimates only โ not engineering or building-code advice. Open the matching app when you want the numbers done for you.
How-tos
- ๐ ๏ธHow Many Deck Boards Do I Need?12ร16 with 5ยฝ" @ โ
" gap โ 26 rows / buy ~29. Chart + formula.โ
- โญStair Stringer Master ReviewRise, run, steps, stringer length. Free one flight; Pro print at $9.99.โ
- ๐ชตHow Many Pickets Do I Need?100 ft with 3.5" @ 1.75" gap โ 229 / buy ~252. Chart + formula.โ
- โญRebar Takeoff Master ReviewBars, sticks, mesh. Free one slab; Pro extras at $9.99.โ
- ๐ชตHow Many Studs Do I Need?12 ft at 16 in OC is 10 studs, not 9. Chart + formula.โ
- โญCut List Master ReviewPlywood + lumber nest. Free 4ร8; Pro export/print at $9.99.โ
- ๐ฉHow Much Rebar Do I Need for a Slab?20ร20 at #4 @ 12 in is ~40 bars / 43 sticks. Chart + formula.โ
- โญConcrete Mix Master ReviewBags, yards, mix. Free slab; Pro footing/pier/stairs at $9.99.โ
- ๐งฑHow Many Bags of Concrete Do I Need?10ร10 at 4 in is ~56 bags of 80 lb. Chart + formula.โ
- ๐งHow Many Fence Posts Do I Need?100 ft at 8 ft spacing is 14 posts, not 12. Chart + formula.โ
- โญFence Takeoff Master ReviewPosts, gates, quote PDF. Free vs Pro at $9.99.โ
โ All calculators