Guide to Leather Weight and Thickness (with charts)

Written by José Max Lin
Last updated
August 4, 2022

Leather thickness and weight are two of the most important factors to consider when choosing leather for a project. The thickness of the leather will determine how strong and durable it is, while the weight will affect how easy it is to work with.

It is important to select a leather that is thin enough to be pliable, but thick enough to withstand wear and tear. The weight of the leather should also be considered, as lighter leathers may be more comfortable to work with but may not be as strong. Ultimately, the best leather for your project will depend on its intended use and your personal preferences.

Podcast: Guide to Leather Weight and Thickness (with charts)

What is leather weight?

Leather weight is typically measured in ounces per square foot (oz/sq ft). It is important to note that this is a measure of the entire hide, not just the usable portion. It is recommended to know or estimate the leather weight when ordering leather because it will determine how much you need to purchase.

different leather weight thickness

What is leather thickness?

Leather thickness is measured in ounces, and can be done with a caliper or a ruler. It  refers to the amount of leather necessary to make one square foot. The higher the number of ounces, the thicker the leather.

metal calliper

Leather thickness conversion

oz to mm

1 oz ≈ 0.4 mm

To be precisely, one ounce is equal to 1/64 inches or 0.015625 inches, and one inch is equal to 25.4 millimeters.This means that one ounce of leather would be 0.396875 mm thick.

  • Accurate calculation:

Number of ounces x 0.396875

For example 8 ounces: 8 x 0.396875 = 3.175 mm

  • Fast calculation:

Number of ounces x 0.4

For example 8 ounces: 8 x 0.4 = 3.2 mm

mm to oz

1 mm ≈ 2.5 oz

To convert millimeters to ounces accurately, divide the number of millimeters by 25.4 and then multiply the result by 64.

  • Accurate calculation:

Number of millimeters / 25.4 x 64

For example 6 millimeters: 6 / 25.4 x 64 = 15.11811 oz

  • Fast calculation:

Number of ounces x 2.5

For example 6 millimeters: 6 x 2.5 = 15 mm

Leather thickness chart

The table below shows the approximate thickness of various leather weights.

Ounce ThicknessInch ThicknessMillimeter Thickness
0 - 1 oz0 - 1/64″0 - 0.4 mm
1 - 2 oz1/64″ - 1/32″0.4 - 0.8 mm
2 - 3 oz1/32″ - 3/64″0.8 - 1.2 mm
3 - 4 oz3/64″ - 1/16″1.2 - 1.6 mm
4 - 5 oz1/16″ - 5/64″1.6 - 2.0 mm
5 - 6 oz5/64″ - 3/32″2.0 - 2.4 mm
6 - 7 oz3/32″ - 7/64″2.4 - 2.8 mm
7 - 8 oz7/64″ - 1/8″2.8 - 3.2 mm
8 - 9 oz1/8″ - 9/64″3.2 - 3.6 mm
9 - 10 oz9/64″ - 5/32″3.6 - 4.0 mm
10 - 11 oz5/32″ - 11/64″4.0 - 4.4 mm
11 - 12 oz11/64″ - 3/16″4.4 - 4.8 mm
12 - 13 oz3/16″ - 13/64″4.8 - 5.2 mm
13 - 14 oz13/64″ - 7/32″5.2 - 5.6 mm
14 - 15 oz7/32″ - 15/64″5.6 - 6.0 mm
15 - 16 oz15/64″ - 1/4″6.0 - 6.4 mm
16 - 17 oz1/4″ - 17/64″6.4 - 6.8 mm
17 - 18 oz17/64″ - 9/32″6.8 - 7.2 mm
18 - 19 oz9/32″ - 19/64″7.2 - 7.6
19 - 20 oz19/64″ - 5/16″7.6 - 8.0

What is the difference between leather weights and leather thicknesses?

Weight and thickness are two different ways of measuring leather. Weight is a measure of how much a hide weighs per square foot, while thickness is a measure of how much leather is necessary to make one square foot.

How do I choose the right weight and thickness for my project?

The best way to choose the right weight and thickness for your project is to consider the intended use of the leather. If you need a strong, durable leather, you will want to choose a thicker leather. If you need a softer, more pliable leather, you will want to choose a thinner leather.

The weight of the leather should also be considered, as lighter leathers may be more comfortable to work with but may not be as strong. Ultimately, the best leather for your project will depend on its intended use and your personal preferences.

leather weight thickness

It is important to take into account the tanning process of the leather you are working with as it will greatly affect both the weight and thickness of the hide. The weight of the leather is usually determined by the type of animal it came from as well as how it was tanned. For example, a cowhide will typically be heavier than a deer hide. The tanning process also plays a role in the weight of the leather. Vegetable-tanned leather is usually heavier than chrome-tanned leather and oil tanned leather.

What are the most common weights and thicknesses of leather?

The most common weights and thicknesses of leather vary depending on the type of leather. Full grain leather, for example, is typically between 3-4 ounces, while top grain leather is typically between 2-3 ounces.

full grain leather top grain leather

What are the benefits of using thicker or thinner leather?

Thicker leather is more durable and will last longer, but it can be more difficult to work with. Thinner leather is more pliable and easier to work with, but it may not be as strong or durable.

leather strap cutter

How do I know if the leather is too thick or thin for my project?

If you are having difficulty working with the leather, it may be too thick. If the leather is tearing or stretching, it may be too thin. Ultimately, the best leather for your project will depend on its intended use and your personal preferences.

different leather samples

Common uses for different weights and thicknesses of leather

With different leather weights and thickesses available in the industry, it is also helpful to know what they are generally used for. Below is a chart including most common uses for different weights and thicknesses of leather.

Leather weightCommon uses
1 - 2 ozThin purses, small pouches, thinner wallets, linings, bookmarks, watch bands, shoes, boots and molding
2 - 3 ozThin purses, small pouches, wallets, linings, bookmarks, thicker watch bands, shoes, boots, molding, embossing, light upholstery for chairs, couches and other seating
3-4 ozSmaller handbags and purses, pouches, thicker wallets, shoes, boots, light notebook covers, molding, embossing, standard upholstery for chairs, couches, and other seating
4 - 5 ozSmaller handbags and purses, pouches, shoes, boots, notebook covers, smaller knife sheathes, keychains, wrestling masks, light chaps and light aprons
5 - 6 ozSmaller handbags and purses, thicker pouches, shoes, boots, notebook covers, smaller knife sheathes, keychains, wrestling masks, chaps and light aprons.
6 - 7 ozHandbags and purses, thicker pouches, bags and duffels, carrying cases, shoes, heavier boots, thin belts, larger notebook covers, knife sheathes, keychains, heavier chaps, aprons, thin armor, thin sword and bayonet scabbards
7 - 8 ozTypical handbags and purses, thicker pouches, bags and duffels, carrying cases, thicker shoes, heavier boots, belts, light slings, light pet collars, light straps, large notebook covers, knife sheathes, keychains, thick aprons, thin armor, sword and bayonet scabbards
8 - 9 ozTypical handbags and purses, bags and duffels, saddle bags, carrying cases, belts, slings, pet collars, straps, heavier notebook covers, knife sheathes, keychains, armor, holsters, sword and bayonet scabbards
9 - 10 ozLarger handbags and purses, bags and duffels, saddle bags, carrying cases, heavier belts, slings, pet collars, straps, knife sheathes, keychains, armor, holsters, sword and bayonet scabbards
10 - 11 ozLarger handbags and purses, thicker bags and duffels, saddle bags, thicker carrying cases, heavier belts, slings, pet collars, straps, light saddles, heavy knife sheathes, keychains, thicker armor and holsters
11 - 12 ozheavy handbags and purses, thicker bags and duffels, thick saddle bags, thicker carrying cases, heavier belts, thicker slings, heavy slings, thick pet collars, straps, light saddles, heavy knife sheathes, keychains, thicker armor and holsters
12 - 13 ozheavy handbags and purses, thicker cases, heavier belts, thicker slings, heavy slings, thick pet collars, thicker straps, typical saddles, keychains, thicker armor and holsters
13 - 14 ozLight shoe heels, light shoe soles, thick belts, light machine belting, straps, typical saddles, tack and heavy armor.
14 - 15 ozShoe heels, shoe soles, thick belts, machine belting, straps, heavy tack and heavy armor
15+ ozShoe heels, shoe soles, thick belts, straps and heavy armor
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José Max Lin
I am product specialist and content marketing specialist for Handbagio. If you want to wholesale vegan handbags or vegan related products, feel free to ask me any questions.
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Guide to Leather Weight and Thickness (with charts)

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