Stirrup & Tie Cutting Length Calculator

Compute the cutting length of a rectangular stirrup or tie from the member size and cover. Includes two 135° hooks (10d each) and the standard bend deductions.

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How to use: Stirrup & Tie Cutting Length Calculator

Enter member width and depth.
Set the clear cover.
Pick the stirrup bar size.

Formula

Cutting length = 2(a + b) + 2 × 10d − 3 × 2d − 2 × 3d, where a and b are the inner dimensions.

See the full rebar weight chart (kg/m & lb/ft) →

Stirrup & Tie Cutting Length Calculator — FAQ

How do you calculate stirrup cutting length?

Add the inner perimeter to the hook allowance and subtract the bend deductions.

What is the hook length in a stirrup?

Each 135° hook is taken as 10 × bar diameter.