H D I F L O A T γ = L i f e E x p I n d γ + L i t I n d + G D P I n d 3 {\displaystyle HDIFLOAT_{\gamma }={\frac {LifeExpInd_{\gamma }+LitInd+GDPInd}{3}}}
where
L i f e E x p I n d = L I F E X P γ − L I F E X P M I N H D I L I F E M A X F L O A T − L I F E X P M I N {\displaystyle LifeExpInd={\frac {LIFEXP_{\gamma }-LIFEXPMIN}{HDILIFEMAXFLOAT-LIFEXPMIN}}}
L i t I n d = L I T γ / 100 {\displaystyle LitInd=LIT_{\gamma }/100}
<math>GDPInd=\frac{Log(GDPPCP_{\gamma}*1000)-Log(100)}{Log(GDPPCPMAX)-Log(100)}