Internationally, zipper sizes are expressed in #, and Millimeter/Inch is used to measure the teeth width. Typically, the size of a zipper is an approximation of its teeth width in millimeters when it is closed. The measurement won't line up neatly with the zipper size, with a deviation that could range from minus 0.8 to 1.85.
We have walked you through the measurement of zipper size and teeth width. Below are our specification charts that display the standard sizes of different types of zippers compared to their teeth width in millimeters.
A Zipper 1 35 Inch
| Standard Metal Zipper Size | 2# | 3# | 4# | 5# | 6# | 8# | 9# | 10# |
|---|---|---|---|---|---|---|---|---|
| Teeth Width(mm) | 2.5～3.85 | 3.9～4.8 | 4.9～5.4 | 5.5～6.2 | 6.3～7.0 | 7.2～8.0 | 8.7～9.2 | 10～10.6 |
| Standard Coil Zipper Size | 2# | 3# | 4# | 5# | 6# | 8# | 9# | 10# |
|---|---|---|---|---|---|---|---|---|
| Teeth Width(mm) | 2.5～3.85 | 3.9～4.8 | 4.9～5.4 | 5.5～6.2 | 6.3～7.0 | 7.2～8.0 | 8.7～9.2 | 10～10.6 |
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| Standard Plastic Zipper Size | 3# | 4# | 5# | 6# | 8# | 9# | 10# |
|---|---|---|---|---|---|---|---|
| Teeth Width(mm) | 3.9～4.8 | 4.9～5.4 | 5.5～6.2 | 6.3～7.0 | 7.2～8.0 | 8.7～9.2 | 10～10.6 |
Dependent on the system of measurement, the unit used to recognize the teeth width may vary from country to another. It is important to understand the relationship between the different measurement units.
Relationship between Inch and Millimeter
1 cm=10 mm
1 inch=2.54 cm
1 inch=25.4 mm
You can easily determine the zipper size/teeth width for your projects based on the specification charts listed above. Feel free to reach out to us if you need any help.
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All about ZIPS
We have a huge selection of zips, over 1000 just from our YKK UK stock to meet all your sewing supply needs.
If you're going to spend time making something then you should put in a zip that will last a lifetime, and for that reason we only stock YKK zips. If you check a zip on most quality goods you will find it was made by YKK.
Similarly, if you're replacing a broken zip, swap it for a YKK. You won't have to replace it again.
Note. We do not guarantee Delivery times as zips can go out of stock very quickly with big orders.
We stock a range of dress zips in different colours and styles, so you can always find one that's just right. Go with a regular dress zip or a hidden zip to give your dress an extra smooth line. We also stock chunky zips, if you want to make the zips a real feature of the garment.
Dress zips are available in the following sizes;
(10cm) 4 inch dress Zip, (15cm) 6 inch dress Zip, (18cm) 7 inch dress Zip, (20cm) 8 inch dress Zip, (25cm) 10 inch dress Zip, (30cm) 12 inch dress Zip, (36cm) 14 inch dress Zip, (41cm) 16 inch dress Zip, (46cm) 18 inch dress Zip, (51cm) 20 inch dress Zip
We stock extra hard-wearing metal zips from YKK with heavy duty brass, the kind used in rugged clothing like Barbour, Hackett, Berghaus, Belstaff etc.
Metal zips are available in the following sizes;
26 inch, 28 inch, 30 inch
For jackets, cardigans, hoodies etc. Quality open ended zips that won't stick or break with constant use.
Open ended zips are available in the following sizes with;
10 inch, 12 inch, 14 inch, 16 inch, 18 inch, 20 inch, 22 inch, 24 inch, 26 inch, 28 inch, 30 inch, 32 inch
Slimline, concealed zips for that svelte look, regular nylon skirt zips or bold, chunky zips. We have zips for every kind of skirt. (Closed end zip)
Follow the Link Below to the Size of Skirt Zip
A Zipper 1 35 Cm
(10cm) 4 inch skirt Zip, (15cm) 6 inch skirt Zip, (18cm) 7 inch skirt Zip, (20cm) 8 inch skirt Zip, (25cm) 10 inch skirt Zip, (30cm) 12 inch skirt Zip, (36cm) 14 inch skirt Zip, (41cm) 16 inch skirt Zip, (46cm) 18 inch skirt Zip, (51cm) 20 inch skirt Zip
Classic zips to match every style of trouser, from jeans to dress pants, in plastic, steel and brass. Heavy duty lock zips that won't budge no matter what as they have a special auto locking system which holds them securely in place simply by pushing the metal clasp down. Save yourself from embarrassment with one of these special zips, something all workmen need!
These zips are available in the following sizes;
6 inch, 7 inch, 8 inch, 9 inch
YKK zips are all heavy duty zips, engineered to a high standard and manufactured with quality materials. They're used by some of the biggest names in outdoor fashion like Belstaff, Barbour, Berghaus and Hackett. These zips can withstand that toughest use without sticking or breaking.
New sizes in our range of Black Vislon Zips, Navy Vision Zips,
Open End Heavy Duty Zip & 2 Way Heavy Duty Zip
6inch zip, 18 inch zip, 20 inch zip, 22 inch zip, 24 inch zip, 26 inch zip, 28 inch zip, 30 inch zip, 32 inch zip, 34 inch zip, 36 inch zip, 38 inch zip, 40 inch zip, 42 inch zip, 44inch zip.
A Zipper 1 35 Mm
Strong metal zips for coats and jackets, or subtle long zips for dresses, we've got a YKK zip to fit your needs. Extra long zips also available for sleeping bags and other large projects.
Invisible Zipper
Invisible, concealed and hidden zips are all the same forms of concealed zip. for sewing zips you will need an invisible zipper foot for your sewing machine.
8 inch Invisible zip
9inch invisible zip
16inch invisible Zip
22inch Invisible Zip
Aquaseal Water repellent Vislon zips (Jackets, Biker Jackets & Wetsuits)
Our YKK Water-repellent Zips are not 100% Waterproof as you need to go to the tiny teeth could zip to achieve this but they are several times more affective than a standard vislon. Why not upgrade to a PU cited vislon zip now.
Available in Black size 8 for now. Special runs can be made if you want 20 or more but expect a 2-4 week turnaround for special sizes and colours.
Printed Zips
We have seen great success with Nike using YKK Printed Zips it adds such great branding to a garment that is usually on of the Most visible parts of active ware.
Turnaround 3-6 weeks, Minimum order 1200 zips. We need Length, thickness a PDF Logo and the Distance spacing of logo or position of logo specified with a diagram for us to take an order.
Concealed zips
Often referred to as closed end invisible zips we stock a wide colour range and keep large quantities of the standard sizes;
Black Concealed Zips
White Concealed Zips
A wide variety of coat zips in different materials, styles and lengths for that perfect match. Our YKK zips withstand daily outdoor use easily and will be as smooth the 1000th time you zip up as they were the first.
Very popular for jeans and other heavy duty clothing, brass zips look the part and last forever. Many of our brass zips are also locking zips, so they stay zipped no matter what.
Double Ended Zip - Two-Way
For speciality garments where versatility is paramount, like rain clothes, double ended zips give you that extra flexibility. Also great as bag zips.
generally known as auto lock zips they are quality brass zips that won't open unless you pull the puller. 'No embarrmistake popping open of your fly'
Reversible zips are for coats that you can ware inside out or fold pack away, ideal for Northface, Rab packaway jackets.
Take some tip's from the Zip experts, how to sew a zip
Custom zips can be made if ordered in quantities of 10!
All of our zips are in stock, shipped from the UK and built to last.
out of stock? you will be given an estimated dispatch in the item description.
Cheap zips are false economy - choose quality. Choose YKK zips from UK Sewing Machines.
