NICU360 clinical tool
NRP tube-size bands with oral or nasal depth estimates
Educational reference only. Verify inputs, units, source guidance, local policy, and the complete clinical context before acting.
Weight selects the closest published NRP tip-to-gum band.
Oral ETT tip-to-gum depth
Published size reference; position must still be clinically confirmed.
2.5 mm*
<800 g · 22-25 wk
2.0 optional
2.5 mm
800-1200 g · 26-28 wk
3.0 mm
1201-2200 g · 29-34 wk
3.5 mm
>2200 g · >34 wk