Unedau grym a gynhelir: J (Joule), e (erg), c (calori thermodynamig), cal (calori IT), eV (electronfolt), HPh (awr- farchnerth), Wh (awr- Wat), flb (pwys- troedfedd), BTU.
Supported energy units: J (Joule), e (erg), c (Thermodynamic calorie), cal (IT calorie), eV (electronvolt), HPh (Horsepower-hour), Wh (Watt-hour), flb (foot-pound), BTU.