Estimate of spleen volume on CT or MRI, splenic index - calculator

This formula can be used to estimate volume of the spleen on crossectional imaging methods by measuring three dimensions - caudocranial (L), maximum size in axial plane (D), and maximum thickness in axial plane (T).

Splenic index = L x D x T
A normal value is considered ≤480.

Volume [mL] = 30 + 0.58 x L x D x T
A normal value is considered between 110 and 340mL

Weight [g] = 1.05 x volume

Parameter Value  
Max. cranio-caudal dimension (L)* cm
Max. dimension on axial scan (D)* cm
Max. thickness on axial scan (T)* cm

* Required

Splenic index:



calculation of spleen volumen, splenic index, splenomegally, size of spleen


1. Prassopoulos P, Daskalogiannaki M, Raissaki M, Hatjidakis A, Gourtsoyiannis N. Determination of normal splenic volume on computed tomography in relation to age, gender and body habitus.Eur Radiol. 1997; 7(2):246-8.