Btu (thermoc.) to Btu (I.T., pre-1956) conversion calculator

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1Btu (thermoc.) = 0.99935Btu (I.T., pre-1956)

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Note: You can increase or decrease the accuracy of this answer by selecting the number of significant figures required from the options above the result.

Btu (thermoc.) to Btu (I.T., pre-1956) conversion formula

Btu (thermoc.) to Btu (I.T., pre-1956) conversion formula

Btu (I.T., pre-1956) = Btu (thermoc.) / 1.00065443

1 Btu (thermoc.) to Btu (I.T., pre-1956) calculation

Btu (I.T., pre-1956) = Btu (thermoc.) / 1.00065443

Btu (I.T., pre-1956) = 1 / 1.0006544316403

Btu (I.T., pre-1956) = 0.99935

Btu (I.T., pre-1956) to Btu (thermoc.) (Swap units)

Btu (thermoc.)

The Btu (thermochemical) variant aligns with the thermochemical calorie and is defined as the amount of energy required to raise the temperature of one pound of water by one degree Fahrenheit at a constant pressure of one atmosphere and is equivalent to approximately 1,054.350 Joules.

Btu (I.T., pre-1956)

The Btu (I.T., pre-1956) refers to the International Table Btu, a specific definition used before 1956. It represents the amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit at a constant pressure of one atmosphere.

 

 

Btu (thermoc.) to Btu (I.T., pre-1956) table

Starting value
Increment
Accuracy
Btu (thermoc.)
Btu (I.T., pre-1956)
0Btu (thermoc.)
0.00000Btu (I.T., pre-1956)
1Btu (thermoc.)
0.99935Btu (I.T., pre-1956)
2Btu (thermoc.)
1.99869Btu (I.T., pre-1956)
3Btu (thermoc.)
2.99804Btu (I.T., pre-1956)
4Btu (thermoc.)
3.99738Btu (I.T., pre-1956)
5Btu (thermoc.)
4.99673Btu (I.T., pre-1956)
6Btu (thermoc.)
5.99608Btu (I.T., pre-1956)
7Btu (thermoc.)
6.99542Btu (I.T., pre-1956)
8Btu (thermoc.)
7.99477Btu (I.T., pre-1956)
9Btu (thermoc.)
8.99411Btu (I.T., pre-1956)
10Btu (thermoc.)
9.99346Btu (I.T., pre-1956)
11Btu (thermoc.)
10.99281Btu (I.T., pre-1956)
12Btu (thermoc.)
11.99215Btu (I.T., pre-1956)
13Btu (thermoc.)
12.99150Btu (I.T., pre-1956)
14Btu (thermoc.)
13.99084Btu (I.T., pre-1956)
15Btu (thermoc.)
14.99019Btu (I.T., pre-1956)
16Btu (thermoc.)
15.98954Btu (I.T., pre-1956)
17Btu (thermoc.)
16.98888Btu (I.T., pre-1956)
18Btu (thermoc.)
17.98823Btu (I.T., pre-1956)
19Btu (thermoc.)
18.98757Btu (I.T., pre-1956)
Btu (thermoc.)
Btu (I.T., pre-1956)
20Btu (thermoc.)
19.98692Btu (I.T., pre-1956)
21Btu (thermoc.)
20.98627Btu (I.T., pre-1956)
22Btu (thermoc.)
21.98561Btu (I.T., pre-1956)
23Btu (thermoc.)
22.98496Btu (I.T., pre-1956)
24Btu (thermoc.)
23.98430Btu (I.T., pre-1956)
25Btu (thermoc.)
24.98365Btu (I.T., pre-1956)
26Btu (thermoc.)
25.98300Btu (I.T., pre-1956)
27Btu (thermoc.)
26.98234Btu (I.T., pre-1956)
28Btu (thermoc.)
27.98169Btu (I.T., pre-1956)
29Btu (thermoc.)
28.98103Btu (I.T., pre-1956)
30Btu (thermoc.)
29.98038Btu (I.T., pre-1956)
31Btu (thermoc.)
30.97973Btu (I.T., pre-1956)
32Btu (thermoc.)
31.97907Btu (I.T., pre-1956)
33Btu (thermoc.)
32.97842Btu (I.T., pre-1956)
34Btu (thermoc.)
33.97776Btu (I.T., pre-1956)
35Btu (thermoc.)
34.97711Btu (I.T., pre-1956)
36Btu (thermoc.)
35.97646Btu (I.T., pre-1956)
37Btu (thermoc.)
36.97580Btu (I.T., pre-1956)
38Btu (thermoc.)
37.97515Btu (I.T., pre-1956)
39Btu (thermoc.)
38.97449Btu (I.T., pre-1956)
Btu (thermoc.)
Btu (I.T., pre-1956)
40Btu (thermoc.)
39.97384Btu (I.T., pre-1956)
41Btu (thermoc.)
40.97319Btu (I.T., pre-1956)
42Btu (thermoc.)
41.97253Btu (I.T., pre-1956)
43Btu (thermoc.)
42.97188Btu (I.T., pre-1956)
44Btu (thermoc.)
43.97122Btu (I.T., pre-1956)
45Btu (thermoc.)
44.97057Btu (I.T., pre-1956)
46Btu (thermoc.)
45.96992Btu (I.T., pre-1956)
47Btu (thermoc.)
46.96926Btu (I.T., pre-1956)
48Btu (thermoc.)
47.96861Btu (I.T., pre-1956)
49Btu (thermoc.)
48.96795Btu (I.T., pre-1956)
50Btu (thermoc.)
49.96730Btu (I.T., pre-1956)
51Btu (thermoc.)
50.96665Btu (I.T., pre-1956)
52Btu (thermoc.)
51.96599Btu (I.T., pre-1956)
53Btu (thermoc.)
52.96534Btu (I.T., pre-1956)
54Btu (thermoc.)
53.96468Btu (I.T., pre-1956)
55Btu (thermoc.)
54.96403Btu (I.T., pre-1956)
56Btu (thermoc.)
55.96338Btu (I.T., pre-1956)
57Btu (thermoc.)
56.96272Btu (I.T., pre-1956)
58Btu (thermoc.)
57.96207Btu (I.T., pre-1956)
59Btu (thermoc.)
58.96141Btu (I.T., pre-1956)
Btu (thermoc.)
Btu (I.T., pre-1956)
60Btu (thermoc.)
59.96076Btu (I.T., pre-1956)
61Btu (thermoc.)
60.96011Btu (I.T., pre-1956)
62Btu (thermoc.)
61.95945Btu (I.T., pre-1956)
63Btu (thermoc.)
62.95880Btu (I.T., pre-1956)
64Btu (thermoc.)
63.95814Btu (I.T., pre-1956)
65Btu (thermoc.)
64.95749Btu (I.T., pre-1956)
66Btu (thermoc.)
65.95684Btu (I.T., pre-1956)
67Btu (thermoc.)
66.95618Btu (I.T., pre-1956)
68Btu (thermoc.)
67.95553Btu (I.T., pre-1956)
69Btu (thermoc.)
68.95487Btu (I.T., pre-1956)
70Btu (thermoc.)
69.95422Btu (I.T., pre-1956)
71Btu (thermoc.)
70.95357Btu (I.T., pre-1956)
72Btu (thermoc.)
71.95291Btu (I.T., pre-1956)
73Btu (thermoc.)
72.95226Btu (I.T., pre-1956)
74Btu (thermoc.)
73.95160Btu (I.T., pre-1956)
75Btu (thermoc.)
74.95095Btu (I.T., pre-1956)
76Btu (thermoc.)
75.95030Btu (I.T., pre-1956)
77Btu (thermoc.)
76.94964Btu (I.T., pre-1956)
78Btu (thermoc.)
77.94899Btu (I.T., pre-1956)
79Btu (thermoc.)
78.94833Btu (I.T., pre-1956)