The British thermal unit per second (BTU/s) is a measure of power, specifically the rate at which energy is expended or transferred. Originating from the British thermal unit, which is defined as the amount of energy required to raise the temperature of one pound of water by one degree Fahrenheit, the BTU/s provides a glimpse into the historical roots of energy measurement before the metric system’s widespread adoption. In modern applications, BTU/s is often used in the heating, ventilation, and air conditioning (HVAC) industry to quantify the power of heating and cooling systems, offering a unique blend of historical measurement with contemporary utility.
Despite its historical origins, the BTU/s is incredibly relevant today. To put it into perspective, one BTU/s is approximately equivalent to 1,055 watts, a power level comparable to that of a small household appliance. This conversion shows how BTU/s bridges older and newer methods of measuring power, reminding us of the diverse systems our modern technology stands upon. Whether you’re cooling a building or generating heat for industrial processes, understanding BTU/s offers a window into how energy flow impacts various aspects of daily life and industry.
The watt, a unit of power in the International System of Units, is named after James Watt, the Scottish inventor who vastly improved the efficiency of steam engines in the 18th century. One watt is equivalent to one joule of energy per second, signifying how much energy is transferred or converted. Interestingly, a single watt is roughly the amount of power used by a human heart, pumping about 80 milliliters of blood per beat with a resting heart rate.
In our technology-driven society, watts are pivotal in understanding the energy consumption of electrical devices. For instance, a typical LED light bulb uses about 10 watts, significantly less than an incandescent bulb, highlighting the watt’s role in energy conservation. Moreover, the watt powers our world: everything from the brightness of light bulbs to the performance of supercomputers is measured in watts, underlining its importance in both everyday life and cutting-edge technology.
British thermal units per second | Watts |
---|---|
0
Btu/s
|
0
W
|
10
Btu/s
|
10550.56
W
|
20
Btu/s
|
21101.11998
W
|
30
Btu/s
|
31651.67997
W
|
40
Btu/s
|
42202.23996
W
|
50
Btu/s
|
52752.8
W
|
60
Btu/s
|
63303.35995
W
|
70
Btu/s
|
73853.91994
W
|
80
Btu/s
|
84404.47993
W
|
90
Btu/s
|
94955.03992
W
|
100
Btu/s
|
105505.6
W
|
110
Btu/s
|
116056.1599
W
|
120
Btu/s
|
126606.71989
W
|
130
Btu/s
|
137157.27988
W
|
140
Btu/s
|
147707.83987
W
|
150
Btu/s
|
158258.39986
W
|
160
Btu/s
|
168808.95985
W
|
170
Btu/s
|
179359.51984
W
|
180
Btu/s
|
189910.07984
W
|
190
Btu/s
|
200460.63983
W
|
200
Btu/s
|
211011.19982
W
|
210
Btu/s
|
221561.75981
W
|
220
Btu/s
|
232112.3198
W
|
230
Btu/s
|
242662.87979
W
|
240
Btu/s
|
253213.43978
W
|
250
Btu/s
|
263764
W
|
260
Btu/s
|
274314.55976
W
|
270
Btu/s
|
284865.11975
W
|
280
Btu/s
|
295415.67974
W
|
290
Btu/s
|
305966.23973
W
|
300
Btu/s
|
316516.79973
W
|
310
Btu/s
|
327067.35972
W
|
320
Btu/s
|
337617.91971
W
|
330
Btu/s
|
348168.4797
W
|
340
Btu/s
|
358719.03969
W
|
350
Btu/s
|
369269.59968
W
|
360
Btu/s
|
379820.15967
W
|
370
Btu/s
|
390370.71966
W
|
380
Btu/s
|
400921.27965
W
|
390
Btu/s
|
411471.83964
W
|
400
Btu/s
|
422022.39963
W
|
410
Btu/s
|
432572.95962
W
|
420
Btu/s
|
443123.51962
W
|
430
Btu/s
|
453674.07961
W
|
440
Btu/s
|
464224.6396
W
|
450
Btu/s
|
474775.19959
W
|
460
Btu/s
|
485325.75958
W
|
470
Btu/s
|
495876.31957
W
|
480
Btu/s
|
506426.87956
W
|
490
Btu/s
|
516977.43955
W
|
500
Btu/s
|
527528
W
|
510
Btu/s
|
538078.55953
W
|
520
Btu/s
|
548629.11952
W
|
530
Btu/s
|
559179.67951
W
|
540
Btu/s
|
569730.23951
W
|
550
Btu/s
|
580280.7995
W
|
560
Btu/s
|
590831.35949
W
|
570
Btu/s
|
601381.91948
W
|
580
Btu/s
|
611932.47947
W
|
590
Btu/s
|
622483.03946
W
|
600
Btu/s
|
633033.59945
W
|
610
Btu/s
|
643584.15944
W
|
620
Btu/s
|
654134.71943
W
|
630
Btu/s
|
664685.27942
W
|
640
Btu/s
|
675235.83941
W
|
650
Btu/s
|
685786.3994
W
|
660
Btu/s
|
696336.9594
W
|
670
Btu/s
|
706887.51939
W
|
680
Btu/s
|
717438.07938
W
|
690
Btu/s
|
727988.63937
W
|
700
Btu/s
|
738539.19936
W
|
710
Btu/s
|
749089.75935
W
|
720
Btu/s
|
759640.31934
W
|
730
Btu/s
|
770190.87933
W
|
740
Btu/s
|
780741.43932
W
|
750
Btu/s
|
791292
W
|
760
Btu/s
|
801842.5593
W
|
770
Btu/s
|
812393.11929
W
|
780
Btu/s
|
822943.67929
W
|
790
Btu/s
|
833494.23928
W
|
800
Btu/s
|
844044.79927
W
|
810
Btu/s
|
854595.35926
W
|
820
Btu/s
|
865145.91925
W
|
830
Btu/s
|
875696.47924
W
|
840
Btu/s
|
886247.03923
W
|
850
Btu/s
|
896797.59922
W
|
860
Btu/s
|
907348.15921
W
|
870
Btu/s
|
917898.7192
W
|
880
Btu/s
|
928449.27919
W
|
890
Btu/s
|
938999.83919
W
|
900
Btu/s
|
949550.39918
W
|
910
Btu/s
|
960100.95917
W
|
920
Btu/s
|
970651.51916
W
|
930
Btu/s
|
981202.07915
W
|
940
Btu/s
|
991752.63914
W
|
950
Btu/s
|
1002303.19913
W
|
960
Btu/s
|
1012853.75912
W
|
970
Btu/s
|
1023404.31911
W
|
980
Btu/s
|
1033954.8791
W
|
990
Btu/s
|
1044505.43909
W
|
1000
Btu/s
|
1055056
W
|
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