Natural Gas is $2.093 per MMBtu (1 MMBtu = 1 million British Thermal Units)

Crude oil is 5.6 MMBtu per barrel (from http://www.physics.uci.edu/~silverma/units.html)

Crude oil is currently at $103.25 per barrel therefore;



Cost of 1 MMBtu from oil = $18.4375

Cost of 1 MMBtu from Natural Gas = $2.093


Prices are at a ratio of 8.809 : 1  (based on actual energy content)

The ratio of Crude Oil (cost per MMBtu) to Natural Gas (cost per MMBtu);

[Chart using Dow Jones sub-Indexes - DJUBSCL and DJUBNTRG]