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`"Joist count" = f( W , L , 16 )`

Enter a value for all fields

The **Floor Joist Hanger Count** calculator computes the number of joist hangers required to hang joists or i-joists for a floor or deck based on the dimension of the room or deck and the on-center joist separation.

- (
**W**) - Enter the width of the floor across the joists - (
**L**) - Enter the length of the floor parallel to the joists - (
**oC**) - Enter the On-center Separation distance between joists

**Floor Joist Hanger Count:** The calculator computes the total number of hangers needed for the joists.

The algorithm assumes two hangers per joist, one on each end, and that none are needed for the end plates.

- Area of a Roof
- Pitch of a Roof
- Number of Trusses Needed for a Roof
- 4x8s needed for a roof
- Shingles needed for a roof
- Number and Length of Metal Roof Panels
- Number and Length of Purlins
- Number and Length of Rafters
- Number and Length of Rafter and Collar ties