Choosing the right belt size is essential for comfort and style in your everyday wardrobe. Whether you are looking for a belt to wear with jeans, suit trousers or skirts, knowing how to measure correctly and which measurements to use will help you get it right first time.
Understanding the basics of belt sizing
Before you buy a belt, it is important to know how its size is given. A belt's size is measured in centimetres, from the tip of the prong to the hole in use: it corresponds to the circumference the belt forms around your body once fastened.
Unlike clothing sizes, which can vary between cuts and brands, a belt size given in centimetres is a real length that is easy to check. There are several ways to work out your exact size, and each has its advantages depending on your situation.
Method 1: measure a belt you already own
The first method, and certainly the most effective way to find the belt size that suits you, is to use a belt you already wear regularly. This practical approach takes the guesswork out and gives you an accurate measurement.
Here's how to do it:
Take a belt you usually wear every day and lay it flat on a level surface. Then, using a tape measure or a dressmaker's tape, measure the distance between the tip of the prong and the hole you usually use. This measurement in centimetres is exactly the belt length you should order.
This method takes into account your actual body shape and the way you wear your belt. If you have several belts, measure the one that fits you best: the one that isn't too tight but doesn't hang loose around your middle either.
Method 2: measure your waist and hips
If you don't have a belt to use as a reference, or would rather take a more direct approach, you can measure your waist or your hips, depending on where you plan to wear your belt.
To measure your waist:
Wrap a tape measure horizontally around your waist, where you wear your belt (usually just below the navel). Make sure the tape stays level and parallel to the floor, neither too tight nor too loose. Note the measurement in centimetres. This circumference is the belt length to choose if you plan to wear your belt at the waist.
To measure your hips:
If you prefer to wear your belt on your hips, measure your hips by placing the tape measure horizontally at the exact height where the belt will sit (not necessarily the widest part of your hips). This measurement gives you the right belt length for wearing it at hip level.
Take your measurements while wearing the type of trousers or skirt you will wear the belt with. That way, your measurements reflect how you will actually wear it. Keep the tape measure snug but not tight, so you don't end up with a size that is too small or too large.
Method 3: use your trouser size
A third approach is to work out your belt size from your French trouser size. Although it is less precise than measuring directly, this method can be a useful starting point.
Take your French trouser size, multiply it by two, then add five centimetres. For example, if you wear French size 42 trousers, the calculation is (42 x 2) + 5 = 89 centimetres. You should therefore look for a size 90 belt.
Please note: this formula only works with French sizes. Don't confuse them with UK or US sizes, which are given in inches and would give the wrong result. This method is also less precise than the previous ones, as it doesn't take individual differences in body shape and build into account.
Size conversion chart
To help you choose, here is a chart matching belt lengths to trouser sizes:
| Belt length (cm) | FR trouser size | UK/US trouser size | International size |
|---|---|---|---|
| 75 | 36 | 28 | XXS |
| 80 | 38 | 29 | XS |
| 85 | 40 | 30 | S |
| 90 | 42 | 32 | M |
| 95 | 44 | 34 | L |
| 100 | 46 | 36 | XL |
| 100 | 48 | 38 | XXL |
| 105 | 50 | 40 | XXXL |
This chart gives you a quick overview of how sizes compare. It is only a guide: measuring a belt you already wear (method 1) or your waist (method 2) gives a more accurate result.
How to tell if your belt is the right size
Once you have chosen your belt, it is important to check that the size is right. A belt usually has five evenly spaced holes. Your belt is the right size if you fasten it on the middle hole, in other words the third one.
This central position leaves you two holes of adjustment on either side. This flexibility matters because it allows for changes in your build, whether you lose weight or put a little on with the seasons. If you have to use the first or last hole, your belt is not the right size.
Why belt width matters
Beyond length, the width of your belt plays a key role in comfort and appearance. The ideal width depends on the clothes you plan to wear it with and on your body shape.
3 cm wide: this width is ideal for formal outfits such as a men's or women's suit. It slips easily through trouser belt loops, stays elegant and doesn't draw attention away from your outfit.
3.5 cm wide: this is the most versatile width. It works with jeans, chinos or smart trousers. It's the belt that adapts easily, without imposing a particular style.
4 cm wide: this width is ideal for jeans and chinos. It adds a relaxed, balanced touch.
5 cm wide: for women who want to define their waist over a dress or tunic, a five-centimetre belt can create a structured, elegant look.
Practical tips for choosing the right size
Consider the type of trousers: a belt for jeans won't necessarily be the same as a belt for a suit. Beyond looks, pay attention to the size of the belt loops and make sure the belt will slide through them easily.
Allow room for adjustment: a belt with several holes is easier to adjust if you lose or gain weight. This flexibility is particularly useful if your weight changes with the seasons.
Choose the right material: genuine leather can stretch slightly over time, whereas a fabric or synthetic belt will keep its original size more easily. Depending on the model, our leather belts are made of genuine leather or synthetic leather: this is stated on each product page.
If in doubt, choose a slightly larger size: it is easier to shorten a belt than to lengthen it. If you are torn between two sizes, go for the larger one. Before shortening it, make sure it suits you: a belt that has been cut down or had extra holes punched loses value, and a deduction may be made from your refund if you return it.
Matching your belt to your body shape
Your body shape and build play an important role in choosing your belt. On slender figures, narrow belts are usually the most flattering. They define the waist without breaking up the silhouette and help keep a long, lean look.
For a curvier figure, a medium to wide belt can help balance your proportions. A smooth leather belt works well to give shape to a sheath dress or to complete a trouser suit by clearly defining the waist.
Differences between men's and women's belts
Men's and women's belts differ in more than just length. Men's belts are generally thicker and stiffer, with larger buckles. Women's belts often offer more variety in terms of styles, materials and widths.
For women, belts can be used to define the waist and shape the silhouette, whereas for men they are mainly functional. This distinction influences the choice of the right width and style.
Materials and durability
The material of your belt affects not only its appearance but also its durability and how it behaves over time. Smooth leather and suede are classic choices for formal outfits. Multicoloured braided belts offer a more casual option.
Avoid very wide belts, string belts and novelty buckles if you are looking for a versatile belt. These styles can be too specific for everyday wear.
Final check before you buy
Before completing your order, take the time to check that you have taken the following measurements correctly: the distance from the tip of the prong to the hole you usually use, or your waist or hip measurement, depending on your preference. Then compare them with the sizes shown on the product page of the model you have chosen (from 65 to 200 cm depending on the model) to make sure you choose the right length.
If the belt you receive turns out not to be your size, you have 14 days from receipt to change your mind (return shipping is at your expense): see our return conditions.
Conclusion
Choosing the right belt size isn't complicated if you follow the right steps. Whether you use a belt you already own as a reference, measure your waist or hips, or start from your trouser size, the key is to take accurate measurements that reflect how you will actually wear your belt. Remember that your belt should fasten on the middle hole, leaving you comfortable room for adjustment. By taking width, material and body shape into account, you will find the perfect belt to complete your wardrobe in style and comfort.