Convert 1 Per Btu (IT) to Per Joule

1 Btu⁻¹ (Per Btu (IT)) is equal to 0.0009478171203132992 J⁻¹ (Per Joule). To convert from Per Btu (IT) to Per Joule, multiply by 0.0009478171203132992 or divide by 1,055.05585262002.

• 1 Btu⁻¹ × 0.0009478171203133 = 0.0009478171203133 J⁻¹
• 1 Btu⁻¹ ÷ 1055.05585262 = 0.0009478171203133 J⁻¹