Calories (20°C) to Btu (I.T., pre-1956)

Calories (20°C) to Btu (I.T., pre-1956) conversion calculator

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1cal20 = 0.00396Btu (I.T., pre-1956)

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.

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Calories (20°C) to Btu (I.T., pre-1956) conversion formula

Btu (I.T., pre-1956) = Calories (20°C) / 252.28761798

Calories (20°C) to Btu (I.T., pre-1956) calculation

Btu (I.T., pre-1956) = Calories (20°C) / 252.28761798

Btu (I.T., pre-1956) = 1 / 252.28759135331

Btu (I.T., pre-1956) = 0.00396

Calories (20°C)

A Calorie (20°C) is sometimes referred to as a small calorie or gram calorie. It is a unit of energy defined as the amount of heat required to raise the temperature of one gram of water by one degree Celsius from 19.5°C to 20.5°C.

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.

 

 

Calories (20°C) to Btu (I.T., pre-1956) table

Starting value
Increment
Accuracy
Calories (20°C)
Btu (I.T., pre-1956)
0cal20
0.00000Btu (I.T., pre-1956)
1cal20
0.00396Btu (I.T., pre-1956)
2cal20
0.00793Btu (I.T., pre-1956)
3cal20
0.01189Btu (I.T., pre-1956)
4cal20
0.01585Btu (I.T., pre-1956)
5cal20
0.01982Btu (I.T., pre-1956)
6cal20
0.02378Btu (I.T., pre-1956)
7cal20
0.02775Btu (I.T., pre-1956)
8cal20
0.03171Btu (I.T., pre-1956)
9cal20
0.03567Btu (I.T., pre-1956)
10cal20
0.03964Btu (I.T., pre-1956)
11cal20
0.04360Btu (I.T., pre-1956)
12cal20
0.04756Btu (I.T., pre-1956)
13cal20
0.05153Btu (I.T., pre-1956)
14cal20
0.05549Btu (I.T., pre-1956)
15cal20
0.05946Btu (I.T., pre-1956)
16cal20
0.06342Btu (I.T., pre-1956)
17cal20
0.06738Btu (I.T., pre-1956)
18cal20
0.07135Btu (I.T., pre-1956)
19cal20
0.07531Btu (I.T., pre-1956)
Calories (20°C)
Btu (I.T., pre-1956)
20cal20
0.07927Btu (I.T., pre-1956)
21cal20
0.08324Btu (I.T., pre-1956)
22cal20
0.08720Btu (I.T., pre-1956)
23cal20
0.09117Btu (I.T., pre-1956)
24cal20
0.09513Btu (I.T., pre-1956)
25cal20
0.09909Btu (I.T., pre-1956)
26cal20
0.10306Btu (I.T., pre-1956)
27cal20
0.10702Btu (I.T., pre-1956)
28cal20
0.11098Btu (I.T., pre-1956)
29cal20
0.11495Btu (I.T., pre-1956)
30cal20
0.11891Btu (I.T., pre-1956)
31cal20
0.12288Btu (I.T., pre-1956)
32cal20
0.12684Btu (I.T., pre-1956)
33cal20
0.13080Btu (I.T., pre-1956)
34cal20
0.13477Btu (I.T., pre-1956)
35cal20
0.13873Btu (I.T., pre-1956)
36cal20
0.14269Btu (I.T., pre-1956)
37cal20
0.14666Btu (I.T., pre-1956)
38cal20
0.15062Btu (I.T., pre-1956)
39cal20
0.15459Btu (I.T., pre-1956)
Calories (20°C)
Btu (I.T., pre-1956)
40cal20
0.15855Btu (I.T., pre-1956)
41cal20
0.16251Btu (I.T., pre-1956)
42cal20
0.16648Btu (I.T., pre-1956)
43cal20
0.17044Btu (I.T., pre-1956)
44cal20
0.17440Btu (I.T., pre-1956)
45cal20
0.17837Btu (I.T., pre-1956)
46cal20
0.18233Btu (I.T., pre-1956)
47cal20
0.18630Btu (I.T., pre-1956)
48cal20
0.19026Btu (I.T., pre-1956)
49cal20
0.19422Btu (I.T., pre-1956)
50cal20
0.19819Btu (I.T., pre-1956)
51cal20
0.20215Btu (I.T., pre-1956)
52cal20
0.20611Btu (I.T., pre-1956)
53cal20
0.21008Btu (I.T., pre-1956)
54cal20
0.21404Btu (I.T., pre-1956)
55cal20
0.21801Btu (I.T., pre-1956)
56cal20
0.22197Btu (I.T., pre-1956)
57cal20
0.22593Btu (I.T., pre-1956)
58cal20
0.22990Btu (I.T., pre-1956)
59cal20
0.23386Btu (I.T., pre-1956)
Calories (20°C)
Btu (I.T., pre-1956)
60cal20
0.23782Btu (I.T., pre-1956)
61cal20
0.24179Btu (I.T., pre-1956)
62cal20
0.24575Btu (I.T., pre-1956)
63cal20
0.24972Btu (I.T., pre-1956)
64cal20
0.25368Btu (I.T., pre-1956)
65cal20
0.25764Btu (I.T., pre-1956)
66cal20
0.26161Btu (I.T., pre-1956)
67cal20
0.26557Btu (I.T., pre-1956)
68cal20
0.26953Btu (I.T., pre-1956)
69cal20
0.27350Btu (I.T., pre-1956)
70cal20
0.27746Btu (I.T., pre-1956)
71cal20
0.28142Btu (I.T., pre-1956)
72cal20
0.28539Btu (I.T., pre-1956)
73cal20
0.28935Btu (I.T., pre-1956)
74cal20
0.29332Btu (I.T., pre-1956)
75cal20
0.29728Btu (I.T., pre-1956)
76cal20
0.30124Btu (I.T., pre-1956)
77cal20
0.30521Btu (I.T., pre-1956)
78cal20
0.30917Btu (I.T., pre-1956)
79cal20
0.31313Btu (I.T., pre-1956)