Conversion units from imperial to metric and vice versa is always a nuisance. Juggling multiple sources to do easy and repetitive tasks on daily basis is a torture.
This App solves this problem. It converts 4 basic and essential values that we come across surprisingly often.

Weight - kg / st / lb
Height - cm / ft / in
Temperature - °C / °K / °F
Blood Glucose - mmol/L / mg/dL

Quick and easy, does what it says on the tin.
Just enter the value you wish to convert.