How Much string do I need?

Click on the type of blind to see a diagram and a formula to help you calculate how much string you will need for your repair. Have a tape measure handy!

How Much string do I need?

Click on the type of blind to see a diagram and a formula to help you calculate how much string you will need for your repair. Have a tape measure handy!

Horizontal Blinds

The amount of string needed for this blind is:

[(2 x Length) + Width] x Number of Lift Cords

Standard Lift

2-String Shade

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vertical Blinds

The amount of string needed for this blind is:

(Width x 2) + (Length of String Drop x 2) + 5 Feet

Standard Headrail

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cellular, honeycomb, and pleated shades

The amount of string needed for this blind is:

[(2 x Length) + Width] x Number of Lift Cords

Standard Lift - Bottom-up

2-String Shade

Standard Lift - Top-down Bottom-up

4-String Shade (2 strings per side)

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RV Day/Night Shade

The amount of string needed for this blind is:

[Length + (2.5 x Width)] x Number of Lift Cords

2 String Shade

2-String Shade

3 String Shade

3-String Shade

4 String Shade

4-String Shade / 1 Spring

4-String Shade / 2 Springs

4-String Shade / 2 Springs / End

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Vertical cellular shades


Side Stack

Width + (3 x Height)

Split Stack

Width + (6 x Height)

Center Stack

Width + (4 x Height)

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Roman/Woven Wood Shade

The amount of string needed for this blind is:

[(2 x Length) + Width] x Number of Lift Cords

Standard Lift

2-String Shade

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Cloth Tape & String ladder for horizontal blinds

The amount of string needed for this blind is:

(Length + 12 inches) x Strips of Ladder

Horizontal Blind

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Horizontal Blind

Horizontal Blind with Lift Cord

The amount of string needed for this blind is:

[(2 x Length) + Width] x Number of Lift Cords


Standard Lift

Standard Lift

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Vertical Blind

vertical blind headrail

The amount of string needed for this blind is:

(Width x 2) + (Drop Length x 2) + 5 Feet


Standard Headrail

Side Stack

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Cellular / Honeycomb / Pleated Shade

Cellular, honeycomb & Pleated shades

The amount of string needed for this blind is:

[(2 x Length) + Width] x Number of Lift Cords


Standard bottom-up shade

Standard Lift - Bottom-Up

Standard top-down bottom-up shade

Standard Lift - Top-Down Bottom-Up

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RV Day / Night Shade

rv day / night shades

The amount of string needed for this blind is:

[Length + (2.5 x Width)] x Number of Lift Cords


2 String Shade

2-String Shade

3 String Shade

3-String Shade

4 String Shade

4-String Shade / 1 Spring

4-String Shade / 2 Springs

4-String Shade / 2 Springs / End

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Vertical Cellular Shade

vertical cellular shades


Side Stack

Width + (3 x Length)

Split Stack

Width + (6 x Length)

Center Stack

Width + (4 x Length)

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Roman / Woven Wood Shade

roman / woven wood shades

The amount of string needed for this blind is:

[(2 x Length) + Width] x Number of Lift Cords


Standard Lift

Standard Lift

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Cloth Tape & String Ladder

horizontal blinds with cloth tape

The amount of string needed for this blind is:

(Length + 12 inches) x Strips of Cloth Tape


Horizontal Blind

Standard Lift

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