Upholstery Spring Calculator

Calculate spring count, layout grid, spring twine, and upholstery fabric yardage for furniture seat and back construction.

Seat frame width (in)

Seat frame depth (in)

Spring type

Spring spacing (in)

Edge setback (in)

Cushion height (in)

Number of seat cushions

Include back springs

Back frame height (in, if included)

Tab to move between fields

Seat springs needed

Upholstery fabric (yards)

2.1

Spring rows (front-to-back)5

Spring columns / strips5

Back springs needed0

Total springs25

Recommended spring height (in)6

Spring twine needed (ft)57

Spring Gauge11 gauge (medium)

How to Use This Calculator

Enter the Seat Frame Width and Seat Frame Depth in inches (inside dimensions).
Select Spring Type (4" coil, 6" coil, or sinuous/zig-zag) and Spring Spacing in inches.
Enter Cushion Height and Number of Seat Cushions; optionally include back springs.
Review Seat Springs needed, Spring Rows and Columns, and Recommended Spring Height.
Check Spring Twine length for 8-way hand tie and Upholstery Fabric yardage for purchasing.

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