Table 3.

CDCP recommendations for for needle length for intramuscular injection

Gender				Needle length
Male		Female		Inch	mm
lb	kg	lb	kg
< 130	< ≈ 60	< 130	< ≈ 60	5/8–1	15.8
130–152	≈ 60–70	130–152	≈ 60–70	1	25.4
153–260	≈ 70–118	153–200	≈ 70– ≈ 90	1–1½	25.4–38.1
> 260	> ≈ 120	> 200	> ≈ 90	1½	38.1

In older children and adolescents, 1 to 1¼ inch (25.4–33.5 mm) needle for injection in the vastus lateralis