Tube voltage (kV)

60

80

100

120

Half-value layer (mm Al)

3.03

4.16

5.26

6.23

Effective energy (keV)

33.57

38.55

43.16

47.04

Absorbed dose conversion factor (Gy ∙ (C/kg)⁻¹)

35.51

35.43

35.30

35.14

Estimated skin dose per mAs (mGy)

0.034

0.078

0.130

0.205