Belt sizing

Belt size 105 (EU)

An EU 105 belt fits a 40 inch (102 cm) trouser waist. The belt measures 42 inches (107 cm) end to end, a size L.

42 in / 107 cm
EU 105 fits a 40 in (102 cm) waist. Full size across systems:
Size
L
Waist (in)
40
Belt (in)
42
Belt (cm)
107
EU number
105

Belt sizes near 105

Trouser waist, belt length in inches and centimetres, and the EU number around EU 105.
SizeWaist (in)Belt (in)Belt (cm)EU number
M36389795
L3840102100
L4042107105
XL4244112110
XL4446117115

Jump to another belt size

EU 80EU 85EU 90EU 95EU 100EU 105EU 110

A belt should be about two inches longer than the trouser waist it is worn with, so the buckle fastens on the middle hole rather than the last one. The EU number on a belt is close to its finished length in centimetres, rounded to the nearest labelled size.

For the full range, see the belt size chart, or measure your own belt with how to measure belt size.

Common questions

What waist fits an EU 105 belt?

An EU 105 belt fits a 40 inch (102 cm) trouser waist. The belt itself measures 42 inches (107 cm) end to end, which fastens on the middle hole for that waist.

What size belt should I buy for a 40 inch waist?

Buy a belt about two inches longer than the trouser waist. For a 40 inch waist that is a 42 inch belt, labelled EU 105 or size L.

How do I measure a belt I already own?

Lay it flat and measure from the fold at the buckle to the hole you fasten most often. That length in inches or centimetres matches a row in the chart above.

Last reviewed and updated on July 2, 2026. Conversion tables are checked against published international sizing standards.