Miller Blade Size for Children by Weight

Miller Blade · Equipment

Laryngoscope

Notes

• for Children under 6 years

Miller Blade: value for each weight

Weight	Age (estimate)	Value
2 kg	preterm	Size 0 Size 0
3 kg	newborn	Size 1 Size 1
4 kg	1 mo	Size 1 Size 1
5 kg	2 mo	Size 1 Size 1
6 kg	4 mo	Size 1 Size 1
7 kg	6 mo	Size 1 Size 1
8 kg	8 mo	Size 1 Size 1
9 kg	10 mo	Size 1 Size 1
10 kg	1 y	Size 2 Size 2
11 kg	1 y 6 mo	Size 2 Size 2
12 kg	2 y	Size 2 Size 2
13 kg	2 y 4 mo	Size 2 Size 2
14 kg	2 y 8 mo	Size 2 Size 2
15 kg	3 y	Size 2 Size 2
16 kg	3 y 6 mo	Size 2 Size 2
17 kg	4 y	Size 2 Size 2
18 kg	4 y 6 mo	Size 2 Size 2
19 kg	5 y	Size 2 Size 2
20 kg	5 y 6 mo	Size 2 Size 2
21 kg	6 y	Size 2 Size 2
22 kg	6 y 4 mo	Size 2 Size 2
23 kg	6 y 8 mo	Size 2 Size 2
24 kg	7 y	— Not listed for this weight
25 kg	7 y 4 mo	— Not listed for this weight
26 kg	7 y 8 mo	— Not listed for this weight
27 kg	8 y	— Not listed for this weight
28 kg	8 y 4 mo	— Not listed for this weight
29 kg	8 y 8 mo	— Not listed for this weight
30 kg	9 y	— Not listed for this weight
31 kg	9 y 4 mo	— Not listed for this weight
32 kg	9 y 8 mo	— Not listed for this weight
33 kg	10 y	— Not listed for this weight
34 kg	10 y 3 mo	— Not listed for this weight
35 kg	10 y 6 mo	— Not listed for this weight
36 kg	10 y 9 mo	— Not listed for this weight
37 kg	11 y	— Not listed for this weight
38 kg	11 y 4 mo	— Not listed for this weight
39 kg	11 y 8 mo	— Not listed for this weight
40 kg	12 y	— Not listed for this weight

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Values imported unchanged on 2026-11-04. Independent verification against official sources is in progress (see Methodology).

Last updated: 2026-11-04