What Jeans Size Should You Order If You're a UK Size 10?

Give up the guessing game and use Tellar.co.uk, the free website which will tell you what your perfect size is in every brand real-time.

As someone who's styled hundreds of women over the years, I can tell you that jeans sizing is where even the most confident shoppers stumble. You might be a perfect 10 in Zara but find yourself squeezing into a 12 at Topshop, or swimming in a 28 at one designer brand whilst needing a 30 at another. It's maddening, but there's method to this madness once you understand the basics.

The UK Size 10 Jeans Reality Check

Your UK size 10 translates differently depending on whether you're shopping domestically or internationally. In UK sizing, you're looking at roughly a 28-inch waist measurement, but American brands often run larger, meaning you might need a size 26 or 27 in US denim labels. European brands tend to be more consistent with UK sizing, but even then, there are surprises.

The key factors affecting your jeans size include the cut (high-waisted styles often run smaller), the fabric composition (stretch denim is more forgiving), and crucially, where the jeans sit on your torso. A low-rise jean will require a different size than a high-waisted style, even from the same brand.

My Professional Sizing Strategy

After years of fitting clients, I've developed a foolproof approach. First, always check if the brand uses UK, US, or EU sizing – this information is usually in the size guide's fine print. Second, pay attention to the rise. High-waisted jeans typically need to be ordered one size larger than your usual, whilst low-rise styles might work in your standard size or even smaller.

The fabric blend is equally crucial. Pure cotton denim will stretch about half a size with wear, so opt for a snugger fit initially. However, jeans with elastane or spandex won't stretch as much and should fit comfortably from the start.

Brand-Specific Sizing Intel

High Street Heroes

COS: Runs true to size – stick with 28. Their denim is beautifully cut and worth the investment.

& Other Stories: Size up to 29. Their jeans run small, particularly in the waist.

Arket: True to size at 28, with excellent organic cotton options.

Monki: Go for 29 – they're Swedish sizing which runs smaller than UK.

Premium Picks

Reiss: Stick with 28 – their sizing is reliable and the quality exceptional.

Everlane: Size 27 in US sizing (remember, they're American so run larger).

Ganni: Go for 28 – Danish brand with consistent European sizing.

Wood Wood: Try 29 – this Copenhagen brand runs quite small.

Luxury & Designer

Totême: Size 28 works perfectly – Swedish luxury that's worth every penny.

A.P.C: French sizing means you'll need 29, but their denim is legendary.

Re/Done: Size 27 – vintage-inspired American brand that runs large.

Lemaire: Stick with 28 – French brand with generous, comfortable fits.

The Cut Conundrum

Your size 10 body will look different in various cuts, and this affects sizing too. Straight-leg jeans are the most forgiving and typically true to size. Skinny jeans often require sizing up, especially if they're high-waisted. Wide-leg styles usually work in your standard size, but check the waist placement.

Cropped styles can be tricky – they often run smaller in the waist because there's less fabric to distribute the fit. Always read reviews mentioning fit, as real customers' experiences are invaluable.

Shopping Smart

When shopping online, I always recommend checking the brand's return policy first. Order two sizes if you're unsure – most retailers accept returns on unworn items. Look for detailed size guides that include actual measurements, not just size conversions.

Pay attention to model measurements in product photos. If the model is wearing size 27 and has a 25-inch waist, you'll likely need the 28 or 29 for your UK size 10 figure.

Never Guess Your Size Again with Tellar

Here's where the guesswork ends. tellar.co.uk is the UK's leading sizing tool that matches your body exactly to over 1,500 brands instantly. No more size guide confusion, no more returns, no more frustration.

How Tellar Works:

1. Measure once using your bust, waist, hip measurements, or your existing brand size
2. Use their tellar.co.uk
3. tellar.co.uk
4. Ultimate Guide to Jackets & Best Buys

Stop playing the jeans sizing lottery. With Tellar, you'll know exactly what size to order, every single time. Your wardrobe (and your sanity) will thank you.

Final Fitting Tips

Remember, the perfect pair of jeans should feel comfortable when you sit, squat, and move. They should sit smoothly across your hips without pulling or gapping at the waist. If you're between sizes, always go for comfort – you can tailor the length, but you can't add fabric to a too-tight waist.

Trust your instincts and don't be swayed by the number on the label. Sizing varies so dramatically that the number is almost meaningless – fit is everything. When you find that perfect pair, note the brand, style, and size for future reference.

Happy jean hunting – and remember, with the right tools and knowledge, finding your perfect fit doesn't have to be a battle!