EBN Guides

Guides

Short how-tos for the same jobsite math as the calculators.

Estimates only — not engineering or building-code advice. Open the matching app when you want the numbers done for you.

How-tos

  1. Stair Stringer Master ReviewRise, run, steps, stringer length. Free one flight; Pro print at $9.99.
  2. How Many Pickets Do I Need?100 ft with 3.5" @ 1.75" gap ≈ 229 / buy ~252. Chart + formula.
  3. Rebar Takeoff Master ReviewBars, sticks, mesh. Free one slab; Pro extras at $9.99.
  4. How Many Studs Do I Need?12 ft at 16 in OC is 10 studs, not 9. Chart + formula.
  5. Cut List Master ReviewPlywood + lumber nest. Free 4×8; Pro export/print at $9.99.
  6. How Much Rebar Do I Need for a Slab?20×20 at #4 @ 12 in is ~40 bars / 43 sticks. Chart + formula.
  7. Concrete Mix Master ReviewBags, yards, mix. Free slab; Pro footing/pier/stairs at $9.99.
  8. How Many Bags of Concrete Do I Need?10×10 at 4 in is ~56 bags of 80 lb. Chart + formula.
  9. How Many Fence Posts Do I Need?100 ft at 8 ft spacing is 14 posts, not 12. Chart + formula.
  10. Fence Takeoff Master ReviewPosts, gates, quote PDF. Free vs Pro at $9.99.

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