This calculator allows you to convert from Rydberg constant to Btu (th) and in a reverse direction. To convert from Rydberg constant to Btu (th), enter the amount of Rydberg constant into the first input and to convert from Btu (th) to Rydberg constant, enter the amount of Btu (th) into the second input.
1 Rydberg constant = 2.0675051928229E-21 Btu (th)
To convert Rydberg constant to Btu (th): Every 1 Rydberg constant equals 2.0675051928229E-21 Btu (th). For example, 100 Rydberg constant equal 100 * 2.0675051928229E-21 = 2.0675051928229E-19 Btu (th) and so on..
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