Ribbon Bow Length
Calculator

Inputs

Ribbon length for loops (cm)
120

Results

Ribbon length for loops (cm)
120
Total ribbon length (cm)
148
Total ribbon length (m)
1.48

Craft results

Ribbon length for loops (cm)120
Total ribbon length (cm)148
Total ribbon length (m)1.48

formula-map diagram

Ribbon length for loops (cm)
120
Total ribbon length (cm)
148
Total ribbon length (m)
1.48

Formula breakdown

Formula

L = 2 × loop length × loop count + tails + knot allowance

= 120

Note

Simplified model: these are standard craft estimates based on rectangular layouts, quoted gauge and nominal densities. Real fabric nap, directional prints, shrinkage, pattern matching, yarn lots and supplier SAP values vary, so always make a swatch or test piece and buy a little extra.

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