Deck Board Estimator Reference Values

Estimate deck board count and linear footage from deck dimensions, board width, gap, and stock length.

Author

Woodworking editorial contributor

Japanese behavioral economist at the London School of Economics, researching nudge theory applications in public health

Reviewed for accuracy by

Woodworking content reviewer

Nigerian legal scholar with an SJD from Yale, focused on international trade law and African continental free trade agreements

Last updatedFebruary 22, 2026

PublishedFebruary 22, 2026

Reference Value Index

This page lists 96 reference values for quick browsing and lookup.

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All Reference Values

Reference Table

Deck Board Estimator reference values
Deck Scenario	Board Count	Board Rows	Linear Feet
8 ft × 8 ft deck, 3.5 in board, 8 ft stock	27 board(s) needed	27	216
8 ft × 8 ft deck, 3.5 in board, 12 ft stock	18 board(s) needed	27	216
8 ft × 8 ft deck, 3.5 in board, 16 ft stock	14 board(s) needed	27	216
8 ft × 8 ft deck, 5.5 in board, 8 ft stock	18 board(s) needed	18	144
8 ft × 8 ft deck, 5.5 in board, 12 ft stock	12 board(s) needed	18	144
8 ft × 8 ft deck, 5.5 in board, 16 ft stock	9 board(s) needed	18	144
8 ft × 10 ft deck, 3.5 in board, 8 ft stock	34 board(s) needed	34	272
8 ft × 10 ft deck, 3.5 in board, 12 ft stock	23 board(s) needed	34	272
8 ft × 10 ft deck, 3.5 in board, 16 ft stock	17 board(s) needed	34	272
8 ft × 10 ft deck, 5.5 in board, 8 ft stock	22 board(s) needed	22	176
8 ft × 10 ft deck, 5.5 in board, 12 ft stock	15 board(s) needed	22	176
8 ft × 10 ft deck, 5.5 in board, 16 ft stock	11 board(s) needed	22	176
8 ft × 12 ft deck, 3.5 in board, 8 ft stock	40 board(s) needed	40	320
8 ft × 12 ft deck, 3.5 in board, 12 ft stock	27 board(s) needed	40	320
8 ft × 12 ft deck, 3.5 in board, 16 ft stock	20 board(s) needed	40	320
8 ft × 12 ft deck, 5.5 in board, 8 ft stock	26 board(s) needed	26	208
8 ft × 12 ft deck, 5.5 in board, 12 ft stock	18 board(s) needed	26	208
8 ft × 12 ft deck, 5.5 in board, 16 ft stock	13 board(s) needed	26	208
8 ft × 14 ft deck, 3.5 in board, 8 ft stock	47 board(s) needed	47	376
8 ft × 14 ft deck, 3.5 in board, 12 ft stock	32 board(s) needed	47	376
8 ft × 14 ft deck, 3.5 in board, 16 ft stock	24 board(s) needed	47	376
8 ft × 14 ft deck, 5.5 in board, 8 ft stock	30 board(s) needed	30	240
8 ft × 14 ft deck, 5.5 in board, 12 ft stock	20 board(s) needed	30	240
8 ft × 14 ft deck, 5.5 in board, 16 ft stock	15 board(s) needed	30	240
10 ft × 8 ft deck, 3.5 in board, 8 ft stock	34 board(s) needed	27	270
10 ft × 8 ft deck, 3.5 in board, 12 ft stock	23 board(s) needed	27	270
10 ft × 8 ft deck, 3.5 in board, 16 ft stock	17 board(s) needed	27	270
10 ft × 8 ft deck, 5.5 in board, 8 ft stock	23 board(s) needed	18	180
10 ft × 8 ft deck, 5.5 in board, 12 ft stock	15 board(s) needed	18	180
10 ft × 8 ft deck, 5.5 in board, 16 ft stock	12 board(s) needed	18	180
10 ft × 10 ft deck, 3.5 in board, 8 ft stock	43 board(s) needed	34	340
10 ft × 10 ft deck, 3.5 in board, 12 ft stock	29 board(s) needed	34	340
10 ft × 10 ft deck, 3.5 in board, 16 ft stock	22 board(s) needed	34	340
10 ft × 10 ft deck, 5.5 in board, 8 ft stock	28 board(s) needed	22	220
10 ft × 10 ft deck, 5.5 in board, 12 ft stock	19 board(s) needed	22	220
10 ft × 10 ft deck, 5.5 in board, 16 ft stock	14 board(s) needed	22	220
10 ft × 12 ft deck, 3.5 in board, 8 ft stock	50 board(s) needed	40	400
10 ft × 12 ft deck, 3.5 in board, 12 ft stock	34 board(s) needed	40	400
10 ft × 12 ft deck, 3.5 in board, 16 ft stock	25 board(s) needed	40	400
10 ft × 12 ft deck, 5.5 in board, 8 ft stock	33 board(s) needed	26	260
10 ft × 12 ft deck, 5.5 in board, 12 ft stock	22 board(s) needed	26	260
10 ft × 12 ft deck, 5.5 in board, 16 ft stock	17 board(s) needed	26	260
10 ft × 14 ft deck, 3.5 in board, 8 ft stock	59 board(s) needed	47	470
10 ft × 14 ft deck, 3.5 in board, 12 ft stock	40 board(s) needed	47	470
10 ft × 14 ft deck, 3.5 in board, 16 ft stock	30 board(s) needed	47	470
10 ft × 14 ft deck, 5.5 in board, 8 ft stock	38 board(s) needed	30	300
10 ft × 14 ft deck, 5.5 in board, 12 ft stock	25 board(s) needed	30	300
10 ft × 14 ft deck, 5.5 in board, 16 ft stock	19 board(s) needed	30	300
12 ft × 8 ft deck, 3.5 in board, 8 ft stock	41 board(s) needed	27	324
12 ft × 8 ft deck, 3.5 in board, 12 ft stock	27 board(s) needed	27	324
12 ft × 8 ft deck, 3.5 in board, 16 ft stock	21 board(s) needed	27	324
12 ft × 8 ft deck, 5.5 in board, 8 ft stock	27 board(s) needed	18	216
12 ft × 8 ft deck, 5.5 in board, 12 ft stock	18 board(s) needed	18	216
12 ft × 8 ft deck, 5.5 in board, 16 ft stock	14 board(s) needed	18	216
12 ft × 10 ft deck, 3.5 in board, 8 ft stock	51 board(s) needed	34	408
12 ft × 10 ft deck, 3.5 in board, 12 ft stock	34 board(s) needed	34	408
12 ft × 10 ft deck, 3.5 in board, 16 ft stock	26 board(s) needed	34	408
12 ft × 10 ft deck, 5.5 in board, 8 ft stock	33 board(s) needed	22	264
12 ft × 10 ft deck, 5.5 in board, 12 ft stock	22 board(s) needed	22	264
12 ft × 10 ft deck, 5.5 in board, 16 ft stock	17 board(s) needed	22	264
12 ft × 12 ft deck, 3.5 in board, 8 ft stock	60 board(s) needed	40	480
12 ft × 12 ft deck, 3.5 in board, 12 ft stock	40 board(s) needed	40	480
12 ft × 12 ft deck, 3.5 in board, 16 ft stock	30 board(s) needed	40	480
12 ft × 12 ft deck, 5.5 in board, 8 ft stock	39 board(s) needed	26	312
12 ft × 12 ft deck, 5.5 in board, 12 ft stock	26 board(s) needed	26	312
12 ft × 12 ft deck, 5.5 in board, 16 ft stock	20 board(s) needed	26	312
12 ft × 14 ft deck, 3.5 in board, 8 ft stock	71 board(s) needed	47	564
12 ft × 14 ft deck, 3.5 in board, 12 ft stock	47 board(s) needed	47	564
12 ft × 14 ft deck, 3.5 in board, 16 ft stock	36 board(s) needed	47	564
12 ft × 14 ft deck, 5.5 in board, 8 ft stock	45 board(s) needed	30	360
12 ft × 14 ft deck, 5.5 in board, 12 ft stock	30 board(s) needed	30	360
12 ft × 14 ft deck, 5.5 in board, 16 ft stock	23 board(s) needed	30	360
16 ft × 8 ft deck, 3.5 in board, 8 ft stock	54 board(s) needed	27	432
16 ft × 8 ft deck, 3.5 in board, 12 ft stock	36 board(s) needed	27	432
16 ft × 8 ft deck, 3.5 in board, 16 ft stock	27 board(s) needed	27	432
16 ft × 8 ft deck, 5.5 in board, 8 ft stock	36 board(s) needed	18	288
16 ft × 8 ft deck, 5.5 in board, 12 ft stock	24 board(s) needed	18	288
16 ft × 8 ft deck, 5.5 in board, 16 ft stock	18 board(s) needed	18	288
16 ft × 10 ft deck, 3.5 in board, 8 ft stock	68 board(s) needed	34	544
16 ft × 10 ft deck, 3.5 in board, 12 ft stock	46 board(s) needed	34	544
16 ft × 10 ft deck, 3.5 in board, 16 ft stock	34 board(s) needed	34	544
16 ft × 10 ft deck, 5.5 in board, 8 ft stock	44 board(s) needed	22	352
16 ft × 10 ft deck, 5.5 in board, 12 ft stock	30 board(s) needed	22	352
16 ft × 10 ft deck, 5.5 in board, 16 ft stock	22 board(s) needed	22	352
16 ft × 12 ft deck, 3.5 in board, 8 ft stock	80 board(s) needed	40	640
16 ft × 12 ft deck, 3.5 in board, 12 ft stock	54 board(s) needed	40	640
16 ft × 12 ft deck, 3.5 in board, 16 ft stock	40 board(s) needed	40	640
16 ft × 12 ft deck, 5.5 in board, 8 ft stock	52 board(s) needed	26	416
16 ft × 12 ft deck, 5.5 in board, 12 ft stock	35 board(s) needed	26	416
16 ft × 12 ft deck, 5.5 in board, 16 ft stock	26 board(s) needed	26	416
16 ft × 14 ft deck, 3.5 in board, 8 ft stock	94 board(s) needed	47	752
16 ft × 14 ft deck, 3.5 in board, 12 ft stock	63 board(s) needed	47	752
16 ft × 14 ft deck, 3.5 in board, 16 ft stock	47 board(s) needed	47	752
16 ft × 14 ft deck, 5.5 in board, 8 ft stock	60 board(s) needed	30	480
16 ft × 14 ft deck, 5.5 in board, 12 ft stock	40 board(s) needed	30	480
16 ft × 14 ft deck, 5.5 in board, 16 ft stock	30 board(s) needed	30	480

Frequently Asked Questions

Frequently asked questions for Deck Board Estimator and its reference values.

What does this deck estimator calculate?

It estimates board rows, total linear footage, and total board count from deck size, board width, board gap, and stock length.

Why include board gap in the calculation?

Deck gaps affect how many rows fit across deck width, so they change total board count.

Does this include waste and defects?

No. Add extra material for cuts, sorting, defects, and board-selection preferences.

Can this estimate fasteners too?

Not directly. You can use row count and joist layout to estimate screw quantities separately.

Methodology and Review

Each row on this page links to a value detail page derived from the same conversion data file as the main calculator and reference table. This reduces inconsistencies across page variants.

Editorial metadata and structured data are rendered across the converter page and linked value pages. Review policies are documented in our review process and editorial policy.