Converter type: power units. This online power from ft lbf/s into bhp converter is a handy tool not just for certified or experienced professionals. First unit: foot-pound-force per second (ft lbf/s) is used for measuring power. Second: Boiler horsepower (bhp) is unit of power.
Any physical injury to the ribs or the infection of any organs inside the rib cage can cause sharp pain under left rib cage. Hope you are clear about the possible causes and treatments for the pain in left side under ribs.
In otherwise healthy people, spleen irritation and gas built in the colon are main causes of pain under the lower left ribs. Pain can be also psychological, for example from neurotic heart, but physical causes have to be excluded first.