1 Your measurements

Type feet and inches the way you'd write them, like 12' 6" or 30 3/8. Decimals work too.

ft
ft
in
A nominal 6" board is 5½" wide.
in
3/16" is typical. Follow the manufacturer for composite.
Measured from the middle of one joist to the middle of the next.
%
$

2 What to buy

Deck boards
29
16 ft boards, 26 rows
Joists
13
12 ft long
Deck screws
676
2 boxes of 350
Deck area192 sq ft
Board rows26
Boards per row1 (no joints)
Linear feet of decking416 ft
Hidden fastener clips (alternative)338
Joist hangers26

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