Kids’ Shoes Reference Matrix

Children’s Footwear Sizing & Measurement Matrix

Comprehensive reference matrix mapping toddler and youth footwear size brackets—for sneakers, boots, sandals, dress shoes, slippers, and dance shoes—against standard foot length measurements, estimated age groups, and Mondopoint scales.

Children’s Footwear Standard Specifications

Detailed breakdown of standardized shoe sizing brackets, foot length correlations, and physical dimensions for children’s footwear including sneakers, boots, sandals, dress shoes, slippers, and dance shoes.

United States	Europe	United Kingdom	Italy	France	Australia	Japan	South Korea	China	Brazil	Mexico	International	US Type	Foot Length ( $\text{cm}$ )	Foot Length ( $\text{in}$ )	Est. Age	Mondopoint ( $\text{mm}$ )
0	16	0	16	16	0	85	85	85	14	8	NB	Infant	8.5	3.3	0-3m	85
1	16.5	0.5	16.5	16.5	0.5	90	90	90	15	9	0-3M	Infant	9.0	3.5	3-6m	90
1.5	17	1	17	17	1	95	95	95	16	9.5	3-6M	Infant	9.5	3.7	3-6m	95
2	18	1.5	18	18	1.5	100	100	100	17	10	6M	Infant	10.0	3.9	6-9m	100
2.5	18.5	2	18.5	18.5	2	105	105	105	17.5	10.5	6-9M	Infant	10.5	4.1	6-9m	105
3	19	2.5	19	19	2.5	110	110	110	18	11	9M	Infant	11.0	4.3	9-12m	110
3.5	19.5	3	19.5	19.5	3	115	115	115	19	11.5	12M	Infant	11.5	4.5	12-18m	115
4	20	3.5	20	20	3.5	120	120	120	19.5	12	18M	Infant	12.0	4.7	18-24m	120
4.5	21	4	21	21	4	125	125	125	20	12.5	2T	Toddler	12.5	4.9	24m	125
5	21.5	4.5	21.5	21.5	4.5	130	130	130	21	13	3T	Toddler	13.0	5.1	2y	130
5.5	22	5	22	22	5	135	135	135	21.5	13.5	3T-4T	Toddler	13.5	5.3	2-3y	135
6	23	5.5	23	23	5.5	140	140	140	22	14	4T	Toddler	14.0	5.5	3y	140
6.5	23.5	6	23.5	23.5	6	145	145	145	22.5	14.5	4T-5T	Toddler	14.5	5.7	3-4y	145
7	24	6.5	24	24	6.5	150	150	150	23	15	5T	Toddler	15.0	5.9	4y	150
7.5	25	7	25	25	7	155	155	155	24	15.5	5T-6Y	Toddler	15.5	6.1	4-5y	155
8	25.5	7.5	25.5	25.5	7.5	160	160	160	24.5	16	6Y	Toddler	16.0	6.3	5y	160
8.5	26	8	26	26	8	165	165	165	25	16.5	6Y-7Y	Toddler	16.5	6.5	5-6y	165
9	26.5	8.5	26.5	26.5	8.5	170	170	170	25.5	17	7Y	Toddler	17.0	6.7	6y	170
9.5	27	9	27	27	9	175	175	175	26	17.5	7Y-8Y	Toddler	17.5	6.9	6-7y	175
10	28	9.5	28	28	9.5	180	180	180	27	18	8Y	Toddler	18.0	7.1	7y	180
10.5	28.5	10	28.5	28.5	10	182	182	182	27.5	18.2	8Y-9Y	Little Kid	18.2	7.2	7-8y	182
11	29	10.5	29	29	10.5	185	185	185	28	18.5	9Y	Little Kid	18.5	7.3	8y	185
11.5	30	11	30	30	11	190	190	190	29	19	9Y-10Y	Little Kid	19.0	7.5	8-9y	190
12	31	11.5	31	31	11.5	195	195	195	30	19.5	10Y	Little Kid	19.5	7.7	9y	195
12.5	31.5	12	31.5	31.5	12	200	200	200	30.5	20	10Y-11Y	Little Kid	20.0	7.9	9-10y	200
13	32	12.5	32	32	12.5	205	205	205	31	20.5	11Y	Little Kid	20.5	8.1	10y	205
13.5	33	13	33	33	13	210	210	210	32	21	11Y-12Y	Little Kid	21.0	8.3	10-11y	210
1	33.5	13.5	33.5	33.5	13.5	215	215	215	32.5	21.5	12Y	Little Kid	21.5	8.5	11y	215
1.5	34	1	34	34	1	220	220	220	33	22	12Y-13Y	Little Kid	22.0	8.7	11-12y	220
2	35	1.5	35	35	1.5	222	222	222	34	22.2	13Y	Little Kid	22.2	8.75	12y	222
2.5	35.5	2	35.5	35.5	2	225	225	225	34.5	22.5	13Y-14Y	Little Kid	22.5	8.9	12-13y	225
3	36	2.5	36	36	2.5	230	230	230	35	23	14Y	Little Kid	23.0	9.1	13y	230
3.5	36.5	3	36.5	36.5	3	235	235	235	35.5	23.5	Youth S	Big Kid	23.5	9.3	13-14y	235
4	37	3.5	37	37	3.5	240	240	240	36	24	Youth M	Big Kid	24.0	9.5	14y	240
4.5	37.5	4	37.5	37.5	4	242	242	242	36.5	24.2	Youth M+	Big Kid	24.2	9.55	14-15y	242
5	38	4.5	38	38	4.5	245	245	245	37	24.5	Youth L	Big Kid	24.5	9.65	15y	245
5.5	38.5	5	38.5	38.5	5	250	250	250	37.5	25	Youth L+	Big Kid	25.0	9.8	15-16y	250
6	39	5.5	39	39	5.5	254	254	254	38	25.4	Youth XL	Big Kid	25.4	10.0	16y+	254
6.5	39.5	6	39.5	39.5	6	258	258	258	38.5	25.8	Youth XL+	Big Kid	25.8	10.15	16y+	258
7	40	6.5	40	40	6.5	260	260	260	39	26	Youth XXL	Big Kid	26.0	10.25	16y+	260

* Sizing can vary significantly between international brands and regional manufacturers. Use this matrix as a baseline reference for standard proportional conversions.

Interpreting Children’s Footwear Dimensions

Standardizing children’s footwear across sneakers, boots, sandals, dress shoes, slippers, and dance shoes requires correlating chronological developmental stages with direct anthropometric metrics. Because young feet grow along rapid trajectories, shoe sizing transitions through infant brackets, toddler scales, and youth numeric systems.

When utilizing this matrix for footwear selection or size conversion, reference the foot length in centimeters alongside age brackets and Mondopoint specifications to account for international manufacturing variations across global markets.

Why You Must Use Both Size Charts Together

Pediatric footwear fit is inherently two-dimensional. While this Kids’ Shoes size chart determines longitudinal heel-to-toe length, relying solely on length frequently leads to lateral pinching, restricted growth allowance margins, or heel slippage.

To achieve a truly tailored and healthy fit for growing feet, you should use this size chart in tandem with the specialized Kids’ Shoe Widths tool by following a structured evaluation process:

Step 1: Identify your child’s core numerical length bracket and estimated age using this Kids’ Shoes reference matrix.
Step 2: Transition to the Kids’ Shoe Widths chart to evaluate Brannock infant and child grades, M/W/XW sizing, heel-to-ball proportions, and growth allowance margins.
Step 3: Cross-reference both specifications to ensure your child’s footwear selection perfectly accommodates both longitudinal length and transverse ball width.

Indexed Sizing Tiers & Dimensions

0Size

Foot Length: 8.5 cm, Age: 0-3m, Mondopoint: 85 mm mapping for US size 0

Symbol: 0Base Value: 8.5

1Size

Foot Length: 9.0 cm, Age: 3-6m, Mondopoint: 90 mm mapping for US size 1

Symbol: 1Base Value: 9

1.5Size

Foot Length: 9.5 cm, Age: 3-6m, Mondopoint: 95 mm mapping for US size 1.5

Symbol: 1.5Base Value: 9.5

2Size

Foot Length: 10.0 cm, Age: 6-9m, Mondopoint: 100 mm mapping for US size 2

Symbol: 2Base Value: 10

2.5Size

Foot Length: 10.5 cm, Age: 6-9m, Mondopoint: 105 mm mapping for US size 2.5

Symbol: 2.5Base Value: 10.5

3Size

Foot Length: 11.0 cm, Age: 9-12m, Mondopoint: 110 mm mapping for US size 3

Symbol: 3Base Value: 11

3.5Size

Foot Length: 11.5 cm, Age: 12-18m, Mondopoint: 115 mm mapping for US size 3.5

Symbol: 3.5Base Value: 11.5

4Size

Foot Length: 12.0 cm, Age: 18-24m, Mondopoint: 120 mm mapping for US size 4

Symbol: 4Base Value: 12

4.5Size

Foot Length: 12.5 cm, Age: 24m, Mondopoint: 125 mm mapping for US size 4.5

Symbol: 4.5Base Value: 12.5

5Size

Foot Length: 13.0 cm, Age: 2y, Mondopoint: 130 mm mapping for US size 5

Symbol: 5Base Value: 13

5.5Size

Foot Length: 13.5 cm, Age: 2-3y, Mondopoint: 135 mm mapping for US size 5.5

Symbol: 5.5Base Value: 13.5

6Size

Foot Length: 14.0 cm, Age: 3y, Mondopoint: 140 mm mapping for US size 6

Symbol: 6Base Value: 14

6.5Size

Foot Length: 14.5 cm, Age: 3-4y, Mondopoint: 145 mm mapping for US size 6.5

Symbol: 6.5Base Value: 14.5

7Size

Foot Length: 15.0 cm, Age: 4y, Mondopoint: 150 mm mapping for US size 7

Symbol: 7Base Value: 15

7.5Size

Foot Length: 15.5 cm, Age: 4-5y, Mondopoint: 155 mm mapping for US size 7.5

Symbol: 7.5Base Value: 15.5

8Size

Foot Length: 16.0 cm, Age: 5y, Mondopoint: 160 mm mapping for US size 8

Symbol: 8Base Value: 16

8.5Size

Foot Length: 16.5 cm, Age: 5-6y, Mondopoint: 165 mm mapping for US size 8.5

Symbol: 8.5Base Value: 16.5

9Size

Foot Length: 17.0 cm, Age: 6y, Mondopoint: 170 mm mapping for US size 9

Symbol: 9Base Value: 17

9.5Size

Foot Length: 17.5 cm, Age: 6-7y, Mondopoint: 175 mm mapping for US size 9.5

Symbol: 9.5Base Value: 17.5

10Size

Foot Length: 18.0 cm, Age: 7y, Mondopoint: 180 mm mapping for US size 10

Symbol: 10Base Value: 18

10.5Size

Foot Length: 18.2 cm, Age: 7-8y, Mondopoint: 182 mm mapping for US size 10.5

Symbol: 10.5Base Value: 18.2

11Size

Foot Length: 18.5 cm, Age: 8y, Mondopoint: 185 mm mapping for US size 11

Symbol: 11Base Value: 18.5

11.5Size

Foot Length: 19.0 cm, Age: 8-9y, Mondopoint: 190 mm mapping for US size 11.5

Symbol: 11.5Base Value: 19

12Size

Foot Length: 19.5 cm, Age: 9y, Mondopoint: 195 mm mapping for US size 12

Symbol: 12Base Value: 19.5

12.5Size

Foot Length: 20.0 cm, Age: 9-10y, Mondopoint: 200 mm mapping for US size 12.5

Symbol: 12.5Base Value: 20

13Size

Foot Length: 20.5 cm, Age: 10y, Mondopoint: 205 mm mapping for US size 13

Symbol: 13Base Value: 20.5

13.5Size

Foot Length: 21.0 cm, Age: 10-11y, Mondopoint: 210 mm mapping for US size 13.5

Symbol: 13.5Base Value: 21

1Size

Foot Length: 21.5 cm, Age: 11y, Mondopoint: 215 mm mapping for US size 1

Symbol: 1Base Value: 21.5

1.5Size

Foot Length: 22.0 cm, Age: 11-12y, Mondopoint: 220 mm mapping for US size 1.5

Symbol: 1.5Base Value: 22

2Size

Foot Length: 22.2 cm, Age: 12y, Mondopoint: 222 mm mapping for US size 2

Symbol: 2Base Value: 22.2

2.5Size

Foot Length: 22.5 cm, Age: 12-13y, Mondopoint: 225 mm mapping for US size 2.5

Symbol: 2.5Base Value: 22.5

3Size

Foot Length: 23.0 cm, Age: 13y, Mondopoint: 230 mm mapping for US size 3

Symbol: 3Base Value: 23

3.5Size

Foot Length: 23.5 cm, Age: 13-14y, Mondopoint: 235 mm mapping for US size 3.5

Symbol: 3.5Base Value: 23.5

4Size

Foot Length: 24.0 cm, Age: 14y, Mondopoint: 240 mm mapping for US size 4

Symbol: 4Base Value: 24

4.5Size

Foot Length: 24.2 cm, Age: 14-15y, Mondopoint: 242 mm mapping for US size 4.5

Symbol: 4.5Base Value: 24.2

5Size

Foot Length: 24.5 cm, Age: 15y, Mondopoint: 245 mm mapping for US size 5

Symbol: 5Base Value: 24.5

5.5Size

Foot Length: 25.0 cm, Age: 15-16y, Mondopoint: 250 mm mapping for US size 5.5

Symbol: 5.5Base Value: 25

6Size

Foot Length: 25.4 cm, Age: 16y+, Mondopoint: 254 mm mapping for US size 6

Symbol: 6Base Value: 25.4

6.5Size

Foot Length: 25.8 cm, Age: 16y+, Mondopoint: 258 mm mapping for US size 6.5

Symbol: 6.5Base Value: 25.8

7Size

Foot Length: 26.0 cm, Age: 16y+, Mondopoint: 260 mm mapping for US size 7

Symbol: 7Base Value: 26