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`nP = (perimeter("single"))/"8 ft"`

Enter a value for all fields

The **Plate Board Count for a Room** calculator computes the number of top and bottom plate boards required for a room based on the length of the four walls and whether the top plate is doubled or single. Note: top plates are often doubled for load bearing walls. The user can choose from a list of standard board lengths with a default of 10 feet.

**INSTRUCTIONS:** Choose units and enter the following:

- (
**L**) Length of Room - (
**W**) Width of Room - (
**bL**) Length of lumber used for plate boards - (
**TP**) Single or Double Top Plates (doubled for strength).

**Plate Boards (nP): **The Plate Boards required are computed and their number returned.

The Math / Science

The plate boards are on top and bottom of a stud wall. Typically, the top plate is doubled to carry load between studs. However, in non-load bearing applications, a single top plate is sometimes used.

To compute a cost estimate for plate boards in a room, CLICK HERE.

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