Btu (I.T., pre-1956) to Calories (15 °C, NBS 1939) conversion calculator
1Btu (I.T., pre-1956) = 252.05232cal(NBS)
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 (I.T., pre-1956) to Calories (15 °C, NBS 1939) conversion formula
Calories (15 °C, NBS 1939) = Btu (I.T., pre-1956) * 252.05231734
Btu (I.T., pre-1956) to Calories (15 °C, NBS 1939) calculation
Calories (15 °C, NBS 1939) = Btu (I.T., pre-1956) * 252.05231734
Calories (15 °C, NBS 1939) = 1 * 252.05231734349
Calories (15 °C, NBS 1939) = 252.05232
Btu (I.T., pre-1956) to Calories (15 °C, NBS 1939) table
Starting value
Increment
Accuracy
Btu (I.T., pre-1956)
Calories (15 °C, NBS 1939)
0Btu (I.T., pre-1956)
0.00000cal(NBS)
1Btu (I.T., pre-1956)
252.05232cal(NBS)
2Btu (I.T., pre-1956)
504.10463cal(NBS)
3Btu (I.T., pre-1956)
756.15695cal(NBS)
4Btu (I.T., pre-1956)
1,008.20927cal(NBS)
5Btu (I.T., pre-1956)
1,260.26159cal(NBS)
6Btu (I.T., pre-1956)
1,512.31390cal(NBS)
7Btu (I.T., pre-1956)
1,764.36622cal(NBS)
8Btu (I.T., pre-1956)
2,016.41854cal(NBS)
9Btu (I.T., pre-1956)
2,268.47086cal(NBS)
10Btu (I.T., pre-1956)
2,520.52317cal(NBS)
11Btu (I.T., pre-1956)
2,772.57549cal(NBS)
12Btu (I.T., pre-1956)
3,024.62781cal(NBS)
13Btu (I.T., pre-1956)
3,276.68013cal(NBS)
14Btu (I.T., pre-1956)
3,528.73244cal(NBS)
15Btu (I.T., pre-1956)
3,780.78476cal(NBS)
16Btu (I.T., pre-1956)
4,032.83708cal(NBS)
17Btu (I.T., pre-1956)
4,284.88939cal(NBS)
18Btu (I.T., pre-1956)
4,536.94171cal(NBS)
19Btu (I.T., pre-1956)
4,788.99403cal(NBS)
Btu (I.T., pre-1956)
Calories (15 °C, NBS 1939)
20Btu (I.T., pre-1956)
5,041.04635cal(NBS)
21Btu (I.T., pre-1956)
5,293.09866cal(NBS)
22Btu (I.T., pre-1956)
5,545.15098cal(NBS)
23Btu (I.T., pre-1956)
5,797.20330cal(NBS)
24Btu (I.T., pre-1956)
6,049.25562cal(NBS)
25Btu (I.T., pre-1956)
6,301.30793cal(NBS)
26Btu (I.T., pre-1956)
6,553.36025cal(NBS)
27Btu (I.T., pre-1956)
6,805.41257cal(NBS)
28Btu (I.T., pre-1956)
7,057.46489cal(NBS)
29Btu (I.T., pre-1956)
7,309.51720cal(NBS)
30Btu (I.T., pre-1956)
7,561.56952cal(NBS)
31Btu (I.T., pre-1956)
7,813.62184cal(NBS)
32Btu (I.T., pre-1956)
8,065.67415cal(NBS)
33Btu (I.T., pre-1956)
8,317.72647cal(NBS)
34Btu (I.T., pre-1956)
8,569.77879cal(NBS)
35Btu (I.T., pre-1956)
8,821.83111cal(NBS)
36Btu (I.T., pre-1956)
9,073.88342cal(NBS)
37Btu (I.T., pre-1956)
9,325.93574cal(NBS)
38Btu (I.T., pre-1956)
9,577.98806cal(NBS)
39Btu (I.T., pre-1956)
9,830.04038cal(NBS)
Btu (I.T., pre-1956)
Calories (15 °C, NBS 1939)
40Btu (I.T., pre-1956)
10,082.09269cal(NBS)
41Btu (I.T., pre-1956)
10,334.14501cal(NBS)
42Btu (I.T., pre-1956)
10,586.19733cal(NBS)
43Btu (I.T., pre-1956)
10,838.24965cal(NBS)
44Btu (I.T., pre-1956)
11,090.30196cal(NBS)
45Btu (I.T., pre-1956)
11,342.35428cal(NBS)
46Btu (I.T., pre-1956)
11,594.40660cal(NBS)
47Btu (I.T., pre-1956)
11,846.45892cal(NBS)
48Btu (I.T., pre-1956)
12,098.51123cal(NBS)
49Btu (I.T., pre-1956)
12,350.56355cal(NBS)
50Btu (I.T., pre-1956)
12,602.61587cal(NBS)
51Btu (I.T., pre-1956)
12,854.66818cal(NBS)
52Btu (I.T., pre-1956)
13,106.72050cal(NBS)
53Btu (I.T., pre-1956)
13,358.77282cal(NBS)
54Btu (I.T., pre-1956)
13,610.82514cal(NBS)
55Btu (I.T., pre-1956)
13,862.87745cal(NBS)
56Btu (I.T., pre-1956)
14,114.92977cal(NBS)
57Btu (I.T., pre-1956)
14,366.98209cal(NBS)
58Btu (I.T., pre-1956)
14,619.03441cal(NBS)
59Btu (I.T., pre-1956)
14,871.08672cal(NBS)
Btu (I.T., pre-1956)
Calories (15 °C, NBS 1939)
60Btu (I.T., pre-1956)
15,123.13904cal(NBS)
61Btu (I.T., pre-1956)
15,375.19136cal(NBS)
62Btu (I.T., pre-1956)
15,627.24368cal(NBS)
63Btu (I.T., pre-1956)
15,879.29599cal(NBS)
64Btu (I.T., pre-1956)
16,131.34831cal(NBS)
65Btu (I.T., pre-1956)
16,383.40063cal(NBS)
66Btu (I.T., pre-1956)
16,635.45294cal(NBS)
67Btu (I.T., pre-1956)
16,887.50526cal(NBS)
68Btu (I.T., pre-1956)
17,139.55758cal(NBS)
69Btu (I.T., pre-1956)
17,391.60990cal(NBS)
70Btu (I.T., pre-1956)
17,643.66221cal(NBS)
71Btu (I.T., pre-1956)
17,895.71453cal(NBS)
72Btu (I.T., pre-1956)
18,147.76685cal(NBS)
73Btu (I.T., pre-1956)
18,399.81917cal(NBS)
74Btu (I.T., pre-1956)
18,651.87148cal(NBS)
75Btu (I.T., pre-1956)
18,903.92380cal(NBS)
76Btu (I.T., pre-1956)
19,155.97612cal(NBS)
77Btu (I.T., pre-1956)
19,408.02844cal(NBS)
78Btu (I.T., pre-1956)
19,660.08075cal(NBS)
79Btu (I.T., pre-1956)
19,912.13307cal(NBS)