How many linear feet is 100 board feet of 4/4 × 6 in?
100 board feet of 4/4 × 6 in lumber is 200 linear feet — about 25 boards at 8 ft each, because every foot of a 1 × 6 in board holds half a board foot.
How to work it out
- 100 bd ft × 12 ÷ (1 in × 6 in) = 200 ft
- 200 ft ÷ 8 ft boards = 25 → 25 boards before waste
A hundred board feet is a common minimum order or bundle size at hardwood dealers. At 4/4 (four quarters, so 1 in rough) and 6 in wide, every linear foot of board holds half a board foot, which is why the running length comes out at exactly double the board footage.
Adjust for your project
More options: Price per linear length · Boards thinner than 1 in
- Length per board foot
- 2 ft
- Boards of that length
- 25 boards
100 board feet at 6 in wide, by thickness
| Thickness | Linear length | Boards of that length |
|---|---|---|
| 4/4 | 200 ft | 25 boards |
| 5/4 | 160 ft | 20 boards |
| 6/4 | 133 ft | 17 boards |
| 8/4 | 100 ft | 13 boards |
What to know about 100 board feet of 4/4 × 6 in
- A pile, not twenty-five identical boards. Hardwood comes in random widths and lengths, so “6 in” is the average of the pile. In practice you might get a mix of 4–9 in widths in 8–12 ft lengths that still adds up to the same 200 linear feet.
- Price per linear foot vs per board foot. At this cross-section a board-foot price is twice the linear-foot price. A shop selling surfaced 1×6 by the foot can be compared directly: double its linear price and put it next to the dealer’s board-foot price.
- Budget for waste. If your cut list itself totals 100 board feet, you will usually need 120–130 board feet of rough 4/4 to cover jointing, planing to about ¾ in, and cutting around knots and end checks.
- Getting it home. Twenty-five 8 ft boards stack to a modest bundle, but the overhang past a short truck bed needs a flag and a couple of straps.
Single boards rather than a bundle? Board feet in a 4/4 hardwood board, 8 in × 8 ft works through one.
Different size? Use the full Board Feet to Linear Feet Calculator.
What you’ll need
- Ratchet tie-down strapsBudget price
Holds a load of lumber on a roof rack, trailer or truck bed. Strap long loads at two points and flag the overhang.
See options on Amazon (opens in a new tab) - Wood moisture meterMid-range price
Tells you whether lumber is dry enough to build with and firewood dry enough to burn. Readings vary by species — check the meter’s correction settings.
See options on Amazon (opens in a new tab) - 25 ft tape measureBudget price
A 25 ft tape with a stiff blade and a readable 1/16 in scale covers everything from cut lists to deck layout.
See options on Amazon (opens in a new tab)
As an Amazon Associate we earn from qualifying purchases. Links to products are affiliate links — they cost you nothing extra and help keep these calculators free.
Frequently asked questions
How many linear feet is 100 board feet of 4/4 × 8 in?
150 linear feet of 4/4 × 8 in — 19 boards at 8 ft.
How many linear feet is 100 board feet of 8/4 × 6 in?
100 linear feet — twice as thick, half the length.
How many linear feet is 100 board feet of 5/4 × 6 in?
160 linear feet of 5/4 × 6 in, or 20 boards at 8 ft.
Sources
- NIST, Voluntary Product Standard PS 20-20, American Softwood Lumber Standard (Rev. 1, 2021) (opens in a new tab) — Softwood board measure on nominal size.
- American Hardwood Export Council, The Illustrated Guide to American Hardwood Lumber Grades (opens in a new tab) — Hardwood board feet, surface measure and quarter thicknesses.
- National Hardwood Lumber Association, Rules for the Measurement & Inspection of Hardwood & Cypress (2019) (opens in a new tab) — Paragraphs 16 and 18: standard thicknesses under 1 in are measured as 1 in.