Skip to main content
. Author manuscript; available in PMC: 2016 Mar 21.
Published in final edited form as: Phys Med Biol. 2015 Feb 26;60(6):2309–2324. doi: 10.1088/0031-9155/60/6/2309

Table 1.

Electron density to Hunsfield Unit (HU) conversion measured from a reference Computed Tomography phantom.

Relative Electron Density1 Hounsfield Unit
0.00 -1000
0.25 -721
0.95 -95
1.00 0
1.64 1000
2.35 1900
5.00 4000
1

Electron density relative to water