Measures and weights
Contents
Units of measurement in leather
Leather is not in metres coming from a roll. For this purpose, the external contours of the animal skin are too irregular. Leather is measured and calculated in square meters, decimetres, square feet (inch: inches), lengthwise or in kilograms. We also speak of weight leather and surface leather. Leather laces are sold by length.
Not always the total surface of a skin is sold. As the leather skin has different qualities within a skin, these are sometimes cut in parts with different qualities. There are corresponding technical terms for these sections.
Leather surface measurement
Large skins, such as bovine skins, are measured in square meters (m²). Occasionally, decimetres (dm²) are indicated. A cattle skin usually has 4.5 to 5.5 square meters. There are also larger (up to 6 sqm) and smaller skins. Leather dealers mostly sell complete and half skins. For certain purposes, further sections of the animal skin are sold. Smaller sections are reluctantly sold. The leather cutting waste is then too much.
For large hides, the measure is usually square meters. However, decimetres are also given.
In the tannery, computer measure the size of the skin at the end of the leather production.
Full hide - Half hide. The division takes place along the back line.
Lamb, pork and goatskin in the clothing sector are usually measured in square feet or square inch.
The conversion factor for the conversion from square meters to square feet is 10,764, from square meters to square inch 1550,003.
Example:
2,95 square meters x 10,764 = 31,75 square feet
45 square feet : 10,764 = 4,18 square meters
In case of leathers, where the surface is paid, the tanner has a great interest in reaching an as large as possible surface during tanning process.
Leather by weight
Heavy leather, such as sole leather, leather straps and bridle is calculated by weight. Also leather cutting waste is usually measured in kg.
Leather according to length
Reptile leather is calculated by length.
Leather thickness
The leather thickness is measured in millimetres with special measuring instruments.
Measurement of leather thickness.
Leather can be over 6 mm thick.
Additional information
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