UK Shoe Conversion Size Chart: Your Complete Guide to Getting the Right Fit

Finding the right shoe size when shopping internationally can be challenging. Different countries use different sizing systems, and even brands may vary slightly in how their shoes fit. A UK shoe conversion size chart helps you compare UK, US, and EU sizes, making it easier to choose the correct fit whether you’re shopping online or abroad.

This guide includes conversion charts for women, men, and kids, along with measurement tips and practical advice to help you find comfortable, well-fitting shoes.

UK Shoe Size Chart

Women’s Shoe Conversion

UK size	EU size	US size	inches	cm
2	35	4	9	22.8
3	36	5	9.3	23.5
4	37	6	9.5	24.1
5	38	7	9.8	24.8
6	39	8	10	25.4
7	40	9	10.2	26
8	41	10	10.5	26.7
9	42	11	10.7	27.3

Men’s Shoe Conversion

UK size	EU size	US size	inches	cm
3	35.5	4	9	22.8
4	37	5	9.3	23.5
5	38	6	9.5	24.1
6	39	7	9.8	24.8
7	40.5	8	10	25.4
7.5	41	8.5	10.1	25.7
8	42	9	10.2	26
8.5	42.5	9.5	10.4	26.3
9	43	10	10.5	26.7
9.5	44	10.5	10.6	27
10	44.5	11	10.7	27.3
10.5	45	11.5	10.9	27.6
11	46	12	11	27.9
12	47	13	11.3	28.6
13	48	14	11.5	29.2

Kids’ Shoe Conversion

Age	UK size	EU size	US size	inches	ages	cm
0-1 months	–	15	–	3.3 – 3.5	baby(pre-walking)	8.4 – 9
0-3 months	0	16	–	3.6 – 3.9	baby(pre-walking)	9.1 – 9.8
3-6 months	1	17	2	3.9 – 4.1	baby(pre-walking)	9.9 – 10.4
6-9 months	2	18	3	4.1 – 4.4	baby(pre-walking)	10.5 – 11.1
6-9 months	3	19	4	4.4 – 4.6	baby(pre-walking)	11.2 – 11.8
9-12 months	4	20	5	4.7 – 4.9	baby(pre-walking)	11.9 – 12.5
12-18 months	4.5	21	6	5 – 5.2	baby(pre-walking)	12.6 – 13.2
18-24 months	5	22	7	5.2 – 5.5	baby(pre-walking)	13.3 – 13.9
2 years	6	23	8	5.5 – 5.7	baby(pre-walking)	14 – 14.5
18-24 months	5	22	6	5.2 – 5.5	toddler	13.3 – 13.9
2 years	6	23	7	5.5 – 5.7	toddler	14 – 14.5
2-3 years	7	24	8	5.7 – 6	toddler	14.6 – 15.2
2-3 years	7.5	24	8	5.9 – 6.1	toddler	14.9 – 15.5
3 years	8	25	9	6 – 6.3	toddler	15.3 – 15.9
3-4 years	8.5	26	9.5	6.3 – 6.5	toddler	16 – 16.6
4-6 years	9	27	10	6.6 – 6.8	toddler	16.7 – 17.2
5-7 years	9.5	27	10	6.7 – 6.9	toddler	17 – 17.6
5-7 years	10	28	11	6.8 – 7	toddler	17.3 – 17.9
6-8 years	10.5	28	11	6.9 – 7.2	toddler	17.6 – 18.2
6-8 years	11	29	12	7.1 – 7.3	toddler	18 – 18.5
6-8 years	11.5	29	12	7.2 – 7.4	toddler	18.3 – 18.9
6-8 years	12	30	13	7.3 – 7.6	toddler	18.6 – 19.2
8-9 years	12.5	31	13	7.6 – 7.8	toddler	19.3 – 19.9
8-9 years	13	32	1	7.9 – 8.1	toddler	20 – 20.6
3 years	8	25	9	6 – 6.3	young kids	15.3 – 15.9
3-4 years	8.5	26	9.5	6.3 – 6.5	young kids	16 – 16.6
4-6 years	9	27	10	6.6 – 6.8	young kids	16.7 – 17.2
5-7 years	9.5	27	10	6.7 – 6.9	young kids	17 – 17.6
5-7 years	10	28	11	6.8 – 7	young kids	17.3 – 17.9
6-8 years	10.5	28	11	6.9 – 7.2	young kids	17.6 – 18.2
6-8 years	11	29	12	7.1 – 7.3	young kids	18 – 18.5
6-8 years	11.5	29	12	7.2 – 7.4	young kids	18.3 – 18.9
6-8 years	12	30	13	7.3 – 7.6	young kids	18.6 – 19.2
8-9 years	12.5	31	13	7.6 – 7.8	young kids	19.3 – 19.9
8-9 years	13	32	1	7.9 – 8.1	young kids	20 – 20.6
8-10 years	13.5	32	1	8 – 8.2	young kids	20.3 – 20.9
8-10 years	1	33	2	8.1 – 8.4	young kids	20.7 – 21.3
9-11 years	1.5	33	2	8.3 – 8.5	young kids	21 – 21.6
9-11 years	2	34	3	8.4 – 8.7	young kids	21.4 – 22
10-12 years	2.5	35	3	8.7 – 8.9	young kids	22.1 – 22.7
10-12 years	3	36	3.5	8.8 – 9.1	young kids	22.4 – 23
10-12 years	3.5	36	4	9 – 9.2	young kids	22.8 – 23.4
11-13 years	4	37	4.5	9.1 – 9.3	young kids	23.1 – 23.7
11-13 years	4.5	37	5	9.3 – 9.5	young kids	23.5 – 24.1
8-9 years	1	33	2	8.1 – 8.4	big kids	20.7 – 21.3
9-11 years	1.5	33	2	8.3 – 8.5	big kids	21 – 21.6
9-11 years	2	34	3	8.4 – 8.7	big kids	21.4 – 22
10-12 years	2.5	35	3	8.7 – 8.9	big kids	22.1 – 22.7
10-12 years	3	36	3.5	8.8 – 9.1	big kids	22.4 – 23
10-12 years	3.5	36	4	9 – 9.2	big kids	22.8 – 23.4
11-13 years	4	37	4.5	9.1 – 13.3	big kids	23.1 – 23.7
11-13 years	4.5	37	5	9.3 – 9.5	big kids	23.5 – 24.1
12-14 years	5	38	5.5	9.4 – 9.6	big kids	23.8 – 24.5
12-14 years	5.5	38	6	9.5 – 9.8	big kids	24.2 – 24.8
13-15 years	6	39	6.5	9.6 – 9.9	big kids	24.5 – 25.1
13-15 years	6.5	40	7	9.8 – 10	big kids	24.9 – 25.5
16 years +	7	41	7.5	10 – 10.2	big kids	25.3 – 25.9
16 years +	7.5	41	8	10.1 – 10.3	big kids	25.6 – 26.2
16 years +	8	42	8.5	10.2 – 10.4	big kids	25.9 – 26.5
16 years +	8.5	42	9	10.4 – 10.6	big kids	26.3 – 26.9
16 years +	9	43	9.5	10.5 – 10.7	big kids	26.7 – 27.3
16 years +	9.5	43	10	10.6 – 10.9	big kids	27 – 27.6

Why Shoe Size Conversion Matters

Accurate shoe sizing is important for both comfort and foot health. Shoes that are too small can cause blisters, pressure points, and discomfort, while oversized shoes may reduce stability and increase the risk of slips.

Since the UK, US, and EU sizing systems use different measurement standards, using a reliable conversion chart helps reduce confusion when purchasing shoes internationally.

However, size conversion should always be treated as a guide rather than an exact rule because shoe fit can vary between manufacturers.

Understanding the UK Shoe Sizing System

The UK shoe sizing system differs from both US and European sizing.

Some key differences include:

UK sizes are generally one size smaller than US men’s sizes.
Women’s US sizes are typically two sizes larger than the equivalent UK size.
European sizing uses a completely different numerical scale.
Most UK brands offer half sizes for a more precise fit.

Because these systems don’t align perfectly, conversion charts provide an excellent starting point but shouldn’t replace checking the brand’s own size guide.

UK to US Shoe Size Conversion

Converting between UK and US sizes is one of the most common needs for international shoppers.

In general:

UK Men’s Size 8 ≈ US Men’s Size 9
UK Women’s Size 5 ≈ US Women’s Size 7

Although these conversions work for most brands, slight differences may occur depending on the manufacturer and shoe style.

UK to EU Shoe Size Conversion

European shoe sizes are based on a different measurement system than UK sizing.

For example:

UK	EU
4	37
5	38
6	39
7	40
8	42

Always compare your foot measurement with the manufacturer’s sizing chart when purchasing European footwear.

Half Sizes and Width Variations

Length isn’t the only factor that determines comfort.

Many brands also offer:

Narrow width
Standard width
Wide fit
Extra-wide fit

If you’re between whole sizes, choosing a half size often provides a better fit than sizing up or down dramatically.

People with wide feet should also check whether a brand offers wide-fit versions rather than automatically increasing shoe size.

How to Measure Your Foot at Home

Measuring your feet accurately helps you select the correct size.

Step 1

Place a sheet of paper on a flat floor against a wall.

Step 2

Stand with your heel touching the wall.

Step 3

Mark the tip of your longest toe.

Step 4

Measure the distance from the wall to the mark.

Step 5

Repeat the process for both feet and use the longer measurement when choosing your size.

For the most accurate results, measure your feet in the evening, as feet naturally expand throughout the day.

UK Shoe Size Conversion for Online Shopping

Online shopping makes international footwear more accessible, but proper sizing becomes even more important.

Before placing an order:

Measure your feet instead of relying on your usual size.
Compare your measurements with the brand’s size chart.
Read customer reviews for sizing feedback.
Check whether the shoes run large or small.
Review the retailer’s return and exchange policy.

Taking a few extra minutes before ordering can help reduce returns and improve your chances of finding the perfect fit.

Factors That Affect Shoe Fit

Even if the size is correct, several factors can influence comfort.

These include:

Shoe style
Foot width
Arch height
Sock thickness
Material (leather vs. synthetic)
Brand-specific sizing

Leather shoes may stretch slightly over time, while synthetic materials typically retain their original shape.

Conclusion

A UK shoe conversion size chart makes it much easier to shop across international brands by translating UK sizes into their US and European equivalents. While these charts provide an excellent starting point, factors such as foot width, shoe style, and brand-specific sizing can all influence the final fit.

For the best results, measure your feet carefully, compare your measurements with the manufacturer’s recommendations, and review customer feedback before purchasing. A little preparation can help you find shoes that are both comfortable and perfectly sized.

FAQs

How accurate are UK shoe conversion charts?

Conversion charts provide an excellent starting point, but they don’t account for brand-specific sizing, foot width, or individual shoe designs.

Why are UK and US shoe sizes different?

The UK and US use different sizing systems, which is why the numerical values don’t match exactly. Men’s and women’s conversions also differ.

Can I rely only on a conversion chart when buying shoes online?

A conversion chart is helpful, but you should also check the manufacturer’s size guide, read customer reviews, and consider your foot width.

How do half sizes improve shoe fit?

Half sizes provide a more precise fit for people whose feet fall between whole sizes, reducing pressure points and improving overall comfort.

How can I measure my foot accurately?

Measure from the heel to the tip of your longest toe while standing, then compare your measurement with the appropriate size chart.

Should I size up if I’m between sizes?

If a shoe style runs small or you have wider feet, sizing up by half a size is often the better choice. For shoes made from soft leather, your usual size may become more comfortable after a short break-in period.