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Convert Btu (th) to calorie (th)

Please provide a value below to convert btu (th) [Btu (th)] to calorie (th) [cal (th)], or vice versa.

The btu (th) is a unit of energy. By definition, 1 Btu (th) [Btu (th)] equals exactly 251.9956978906 calorie (th) [cal (th)] — a fixed mathematical relationship, not an approximation.

Btu (th) to calorie (th) Conversion Table

Btu (th) [Btu (th)]calorie (th) [cal (th)]
1 Btu (th)251.9956978906 cal (th)
5 Btu (th)1259.9784894532 cal (th)
10 Btu (th)2519.9569789063 cal (th)
50 Btu (th)12599.7848945315 cal (th)
100 Btu (th)25199.5697890631 cal (th)

Formula

1 Btu (th) [Btu (th)] = 251.9956978906 calorie (th) [cal (th)]
1 calorie (th) [cal (th)] = 0.0039683217 Btu (th) [Btu (th)]

Convert Btu (Th) to Other Energy Units