Btu (mean) to Btu (15.8°C, ISO)
Btu (15.8°C, ISO) to Btu (mean) (Swap Units)
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3 significant figures
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8 significant figures
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One BTU is the energy required to heat 1 avoirdupois pound of liquid water by 1 degree Fahrenheit, at a pressure of one atmosphere. The Btu (mean) uses a result averaged over water temperatures 0 to 100 °C (32.0 to 212.0 °F) which is approx. 1055.87 J
Btu (mean) to Btu (15.8°C, ISO) formula
Btu (15.8°C, ISO) =
Btu (mean) * 1.0013
One BTU is defined as the energy required at 1 atmosphere to heat 1 avoirdupois pound of liquid water by 1 degree Fahrenheit. One Btu (15.8°C, ISO) equates to 1,054.5 J
Btu (mean) to Btu (15.8°C, ISO) table
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Increments
Increment: 1000
Increment: 100
Increment: 20
Increment: 10
Increment: 5
Increment: 2
Increment: 1
Increment: 0.1
Increment: 0.01
Increment: 0.001
Fractional: 1/64
Fractional: 1/32
Fractional: 1/16
Fractional: 1/8
Fractional: 1/4
Fractional: 1/2
Accuracy
Select resolution
1 significant figure
2 significant figures
3 significant figures
4 significant figures
5 significant figures
6 significant figures
7 significant figures
8 significant figures
Format
Decimal Fractions
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Larger Values >
-20.000Btu (mean) -20.026Btu (15.8°C, ISO) -19.000Btu (mean) -19.025Btu (15.8°C, ISO) -18.000Btu (mean) -18.023Btu (15.8°C, ISO) -17.000Btu (mean) -17.022Btu (15.8°C, ISO) -16.000Btu (mean) -16.021Btu (15.8°C, ISO) -15.000Btu (mean) -15.019Btu (15.8°C, ISO) -14.000Btu (mean) -14.018Btu (15.8°C, ISO) -13.000Btu (mean) -13.017Btu (15.8°C, ISO) -12.000Btu (mean) -12.016Btu (15.8°C, ISO) -11.000Btu (mean) -11.014Btu (15.8°C, ISO) -10.000Btu (mean) -10.013Btu (15.8°C, ISO) -9.0000Btu (mean) -9.0117Btu (15.8°C, ISO) -8.0000Btu (mean) -8.0104Btu (15.8°C, ISO) -7.0000Btu (mean) -7.0091Btu (15.8°C, ISO) -6.0000Btu (mean) -6.0078Btu (15.8°C, ISO) -5.0000Btu (mean) -5.0065Btu (15.8°C, ISO) -4.0000Btu (mean) -4.0052Btu (15.8°C, ISO) -3.0000Btu (mean) -3.0039Btu (15.8°C, ISO) -2.0000Btu (mean) -2.0026Btu (15.8°C, ISO) -1.0000Btu (mean) -1.0013Btu (15.8°C, ISO)
Btu (mean)
Btu (15.8°C, ISO)
0.0000Btu (mean)
0.0000Btu (15.8°C, ISO)
1.0000Btu (mean)
1.0013Btu (15.8°C, ISO)
2.0000Btu (mean)
2.0026Btu (15.8°C, ISO)
3.0000Btu (mean)
3.0039Btu (15.8°C, ISO)
4.0000Btu (mean)
4.0052Btu (15.8°C, ISO)
5.0000Btu (mean)
5.0065Btu (15.8°C, ISO)
6.0000Btu (mean)
6.0078Btu (15.8°C, ISO)
7.0000Btu (mean)
7.0091Btu (15.8°C, ISO)
8.0000Btu (mean)
8.0104Btu (15.8°C, ISO)
9.0000Btu (mean)
9.0117Btu (15.8°C, ISO)
10.000Btu (mean)
10.013Btu (15.8°C, ISO)
11.000Btu (mean)
11.014Btu (15.8°C, ISO)
12.000Btu (mean)
12.016Btu (15.8°C, ISO)
13.000Btu (mean)
13.017Btu (15.8°C, ISO)
14.000Btu (mean)
14.018Btu (15.8°C, ISO)
15.000Btu (mean)
15.019Btu (15.8°C, ISO)
16.000Btu (mean)
16.021Btu (15.8°C, ISO)
17.000Btu (mean)
17.022Btu (15.8°C, ISO)
18.000Btu (mean)
18.023Btu (15.8°C, ISO)
19.000Btu (mean)
19.025Btu (15.8°C, ISO)
Btu (mean)
Btu (15.8°C, ISO)
20.000Btu (mean)
20.026Btu (15.8°C, ISO)
21.000Btu (mean)
21.027Btu (15.8°C, ISO)
22.000Btu (mean)
22.029Btu (15.8°C, ISO)
23.000Btu (mean)
23.030Btu (15.8°C, ISO)
24.000Btu (mean)
24.031Btu (15.8°C, ISO)
25.000Btu (mean)
25.032Btu (15.8°C, ISO)
26.000Btu (mean)
26.034Btu (15.8°C, ISO)
27.000Btu (mean)
27.035Btu (15.8°C, ISO)
28.000Btu (mean)
28.036Btu (15.8°C, ISO)
29.000Btu (mean)
29.038Btu (15.8°C, ISO)
30.000Btu (mean)
30.039Btu (15.8°C, ISO)
31.000Btu (mean)
31.040Btu (15.8°C, ISO)
32.000Btu (mean)
32.042Btu (15.8°C, ISO)
33.000Btu (mean)
33.043Btu (15.8°C, ISO)
34.000Btu (mean)
34.044Btu (15.8°C, ISO)
35.000Btu (mean)
35.045Btu (15.8°C, ISO)
36.000Btu (mean)
36.047Btu (15.8°C, ISO)
37.000Btu (mean)
37.048Btu (15.8°C, ISO)
38.000Btu (mean)
38.049Btu (15.8°C, ISO)
39.000Btu (mean)
39.051Btu (15.8°C, ISO)
Btu (mean)
Btu (15.8°C, ISO)
40.000Btu (mean)
40.052Btu (15.8°C, ISO)
41.000Btu (mean)
41.053Btu (15.8°C, ISO)
42.000Btu (mean)
42.055Btu (15.8°C, ISO)
43.000Btu (mean)
43.056Btu (15.8°C, ISO)
44.000Btu (mean)
44.057Btu (15.8°C, ISO)
45.000Btu (mean)
45.058Btu (15.8°C, ISO)
46.000Btu (mean)
46.060Btu (15.8°C, ISO)
47.000Btu (mean)
47.061Btu (15.8°C, ISO)
48.000Btu (mean)
48.062Btu (15.8°C, ISO)
49.000Btu (mean)
49.064Btu (15.8°C, ISO)
50.000Btu (mean)
50.065Btu (15.8°C, ISO)
51.000Btu (mean)
51.066Btu (15.8°C, ISO)
52.000Btu (mean)
52.068Btu (15.8°C, ISO)
53.000Btu (mean)
53.069Btu (15.8°C, ISO)
54.000Btu (mean)
54.070Btu (15.8°C, ISO)
55.000Btu (mean)
55.071Btu (15.8°C, ISO)
56.000Btu (mean)
56.073Btu (15.8°C, ISO)
57.000Btu (mean)
57.074Btu (15.8°C, ISO)
58.000Btu (mean)
58.075Btu (15.8°C, ISO)
59.000Btu (mean)
59.077Btu (15.8°C, ISO)
60.000Btu (mean) 60.078Btu (15.8°C, ISO) 61.000Btu (mean) 61.079Btu (15.8°C, ISO) 62.000Btu (mean) 62.081Btu (15.8°C, ISO) 63.000Btu (mean) 63.082Btu (15.8°C, ISO) 64.000Btu (mean) 64.083Btu (15.8°C, ISO) 65.000Btu (mean) 65.084Btu (15.8°C, ISO) 66.000Btu (mean) 66.086Btu (15.8°C, ISO) 67.000Btu (mean) 67.087Btu (15.8°C, ISO) 68.000Btu (mean) 68.088Btu (15.8°C, ISO) 69.000Btu (mean) 69.090Btu (15.8°C, ISO) 70.000Btu (mean) 70.091Btu (15.8°C, ISO) 71.000Btu (mean) 71.092Btu (15.8°C, ISO) 72.000Btu (mean) 72.094Btu (15.8°C, ISO) 73.000Btu (mean) 73.095Btu (15.8°C, ISO) 74.000Btu (mean) 74.096Btu (15.8°C, ISO) 75.000Btu (mean) 75.097Btu (15.8°C, ISO) 76.000Btu (mean) 76.099Btu (15.8°C, ISO) 77.000Btu (mean) 77.100Btu (15.8°C, ISO) 78.000Btu (mean) 78.101Btu (15.8°C, ISO) 79.000Btu (mean) 79.103Btu (15.8°C, ISO)