How to Determine Proper Zipper Length

Zipper length. How to determine proper zipper lenght? Find out how to identify and choose the right zipper with us.

Zipper are always measured from “component to component” (end stops), regardless of zipper style. The illustrations below will assist you in determining the proper method for arriving at the desired zipper length.

zipper  
CLOSED END
(TROUSER TYPE)
OPEN END
(JACKET TYPE)
 
TU-WAY OPEN END
(JACKET TYPE)
BAG TYPE COVERALL

How To Measure The Length Of Zippers

Open Ended Zipper

For a standard open ended zipper, the length is measured from the top end of the Zipper Slider to the tip of the Open Part, exclusive of the Forth Head Tape. You will end up with a shorter zipper if you mistakenly include the Forth Head Tape.

Close Ended Zipper

For a standard close ended zipper, the length is measured from the top end of the Zipper Slider to the tip of the Bottom Stop, exclusive of both the Forth Head Tape and Back Head Tape. You will be left with a shorter zipper if you mistakenly include either the Forth Head Tape or Back Head Tape.

Two Way Open Ended Zipper

For a standard two way open ended zipper, the length is measured from the top end of the Zipper Slider to the bottom end of the Reinforce Tape to the tip of the Open Part, exclusive of the Forth Head Tape.

Two Way Close Ended Zipper

Two way close ended zipper further falls into O shape and X shape. Both types include double zipper sliders.  The main difference lies in that the former contains 2 bottom stops with the sliders installed in head-to-head relation, while the latter includes 2 top stops with the sliders installed in bottom-to-bottom relation.

For a standard two way close ended zipper in O shape, the length is measured from the tip of one Bottom Stop to that of the other Bottom Stop, exclusive of both the Forth Head Tape and Back Head Tape.

For a standard two way close ended zipper in X shape, the length is measured from the top end of one Zipper Slider to that of the other Zipper Slider, exclusive of both the Forth Head Tape and Back Head Tape.

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