Paediatric Exposure Chart

A quick reference guide for pediatric radiographic exposures (kVp / mAs).

Search by exam name or body region.

Format: kVp / mAs
Grid Required
Age group
Newborn (0-6 months)
Newborn
Baby
Child
Small
Normal
Large
Adult
Region & View Newborn 0-6 months Baby 6-18 months Child 18-36 months Small 3-7 years Normal 8-12 years Large 13-17 years Adult 18+ years
CHEST
AP Supine (180 SID) 65 / 2 73 / 2 73 / 2 81 / 2 X X X
AP/PA Erect (180 SID) 65 / 2 73 / 2 73 / 2 85 / 1 90 / 1 90 / 1.2 125 / 1.2
AP Supine (110 SID) 63 / 1.6 66 / 1.6 66 / 1.6 70 / 1.2 73 / 1.6 77 / 2 85 / 2.5
Lateral (180 SID) 70 / 1.6 (110) 77 / 2.5 90 / 2.5 100 / 2.5 110 / 1.6 110 / 2 125 / 3.5
SHOULDER / HUMERUS
AP 63 / 2 63 / 2 63 / 2 63 / 2.5 66 / 3.1 66 / 6.3 66 / 8
Lateral 63 / 2 66 / 2 66 / 2.5 66 / 3.1 70 / 6.3 70 / 10 70 / 12
ABDOMEN
AP / PA 66 / 2 70 / 4 70 / 4 72 / 5 75 / 6 78 / 7 81 / 10
Lateral 66 / 3.1 73 / 3.1 73 / 4 77 / 6.3 81 / 8 85 / 10 85 / 12
PELVIS
AP / Frog Legs 63 / 2 66 / 2 66 / 2.5 70 / 4 73 / 5 77 / 8 81 / 10
HBL Lateral 66 / 2.5 66 / 2.5 66 / 3.1 81 / 16 81 / 31 85 / 50 85 / 63
FEMUR
AP 63 / 1.6 63 / 2 63 / 2 66 / 2 70 / 4 73 / 5 73 / 6.3
Lateral 63 / 2 66 / 2 66 / 2.5 70 / 3.2 ? ? ?
HAND, WRIST & FOREARM
Hand PA / Oblique 40 / 3.1 40 / 3.1 40 / 3.1 46 / 2 46 / 2 48 / 2 48 / 2
Hand Lateral 40 / 4 42 / 4 42 / 4 50 / 2 50 / 2 52 / 2 52 / 2
Wrist PA / Oblique 40 / 3.1 40 / 4 40 / 4 48 / 2 50 / 2 50 / 2 52 / 2
Wrist Lateral 40 / 4 42 / 4 42 / 4 52 / 2 55 / 2 55 / 2 57 / 2
Forearm 50 / 1.6 50 / 1.6 50 / 1.6 50 / 2 52 / 2 52 / 2 55 / 2
Elbow 50 / 1.6 50 / 1.6 50 / 2 52 / 2 55 / 2 55 / 2 57 / 2
FOOT, ANKLE & KNEE
Toes 40 / 3.1 40 / 3.1 40 / 4 46 / 2 48 / 2 48 / 2 48 / 2
Foot DP / Oblique 40 / 4 42 / 4 42 / 4 48 / 2.5 50 / 2.5 55 / 2 55 / 2
Foot Lateral 42 / 4 42 / 4 42 / 4 52 / 2 57 / 2 57 / 2 60 / 2
Ankle AP Mortise 42 / 4 44 / 4 44 / 4 55 / 2 60 / 2 60 / 2 63 / 2
Ankle Lateral 42 / 4 42 / 4 42 / 4 52 / 2 57 / 2 57 / 2 60 / 2
Axial Calcaneum 52 / 2.5 55 / 2.5 55 / 2.5 60 / 2 60 / 2.5 60 / 2.5 60 / 3.2
Tib Fib AP/Lat 55 / 1.6 55 / 1.6 55 / 1.6 57 / 1.6 60 / 2 63 / 2 63 / 2
Knee AP/Lat 55 / 1.6 57 / 1.6 57 / 1.6 60 / 2 63 / 2 63 / 2 66 / 2
Knee Skyline X X X 60 / 2.5 63 / 3.1 63 / 3.1 66 / 4
PLASTER OF PARIS (POP)
Hand / Wrist 57 / 1.6 57 / 1.6 57 / 1.6 60 / 2 60 / 2 60 / 2 60 / 2
Forearm 57 / 2 57 / 2 57 / 2 60 / 2 60 / 2 60 / 2 60 / 2
Elbow 60 / 2 60 / 2 60 / 2 60 / 2.5 60 / 2.5 60 / 2.5 60 / 2.5
Foot / Ankle 57 / 2 57 / 2 57 / 2 60 / 2 60 / 2.5 60 / 2.5 60 / 2.5
Tib Fib / Knee 60 / 2 60 / 2 60 / 2 60 / 2 60 / 2.5 63 / 2.5 63 / 2.5