Convert 40 Watts to BTUs per Hour

How much power is 40 watts? What is 40 watts in BTUs per hour? 40 W to BTU/hr conversion.
Amount
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To
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40 Watts ≈
136.48565 BTUs per Hour
result rounded
Decimal places
Result in Plain English
40 watts is equal to about 136 BTUs per hour.
In Scientific Notation
40 watts
= 4 x 101 watts
≈ 1.36486 x 102 BTUs per hour
Watts
A watt is the standard unit of power. It is the power needed to do one joule of work per second. A typical incandescent light bulb uses 40-100 watts.
BTUs per Hour
A British thermal unit is the amount of energy required to heat a pound of water by 1 degree Fahrenheit. This can vary slightly depending on the temperature of the water, therefore different estimates for the BTU exist. A BTU/hour is about 0.293 watts.
Watts to BTUs per Hour Conversions
results may be rounded
W BTU/hr
40.00 136.49
40.01 136.52
40.02 136.55
40.03 136.59
40.04 136.62
40.05 136.66
40.06 136.69
40.07 136.72
40.08 136.76
40.09 136.79
40.10 136.83
40.11 136.86
40.12 136.90
40.13 136.93
40.14 136.96
40.15 137.00
40.16 137.03
40.17 137.07
40.18 137.10
40.19 137.13
40.20 137.17
40.21 137.20
40.22 137.24
40.23 137.27
40.24 137.30
40.25 137.34
40.26 137.37
40.27 137.41
40.28 137.44
40.29 137.48
40.30 137.51
40.31 137.54
40.32 137.58
40.33 137.61
W BTU/hr
40.34 137.65
40.35 137.68
40.36 137.71
40.37 137.75
40.38 137.78
40.39 137.82
40.40 137.85
40.41 137.88
40.42 137.92
40.43 137.95
40.44 137.99
40.45 138.02
40.46 138.06
40.47 138.09
40.48 138.12
40.49 138.16
40.50 138.19
40.51 138.23
40.52 138.26
40.53 138.29
40.54 138.33
40.55 138.36
40.56 138.40
40.57 138.43
40.58 138.46
40.59 138.50
40.60 138.53
40.61 138.57
40.62 138.60
40.63 138.64
40.64 138.67
40.65 138.70
40.66 138.74
40.67 138.77
W BTU/hr
40.68 138.81
40.69 138.84
40.70 138.87
40.71 138.91
40.72 138.94
40.73 138.98
40.74 139.01
40.75 139.04
40.76 139.08
40.77 139.11
40.78 139.15
40.79 139.18
40.80 139.22
40.81 139.25
40.82 139.28
40.83 139.32
40.84 139.35
40.85 139.39
40.86 139.42
40.87 139.45
40.88 139.49
40.89 139.52
40.90 139.56
40.91 139.59
40.92 139.62
40.93 139.66
40.94 139.69
40.95 139.73
40.96 139.76
40.97 139.80
40.98 139.83
40.99 139.86
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