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therm (US) per stone to BTU per milligram Converter
Convert therm (US) per stone (therm/st) to BTU per milligram (BTU/mg) with a real specific energy conversion formula.
1 therm/st = 0.0157435453992 BTU/mg
This page converts only units in the Specific Energy family.
This page converts only units in the Specific Energy family.