# Btu (I.T.) to Calories (15 °C, NBS 1939) conversion

Calories (15 °C, NBS 1939) to Btu (I.T.) (Swap Units)

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## Btu (I.T.) to Calories (15 °C, NBS 1939) formula

cal(NBS) =
Btu (I.T.) * 252.06

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More information: Calories (15 °C, NBS 1939)

## Btu (I.T.)

One BTU (IT) was defined by the Fifth International Conference on the Properties of Steam to be exactly 4.1868 J

## Btu (I.T.) to Calories (15 °C, NBS 1939) formula

cal(NBS) =
Btu (I.T.) * 252.06

## Calories (15 °C, NBS 1939)

The National Bureau of Standards (NBS, now known as The National Institute of Standards and Technology) defined the cal15 as being the ammount of energy needed to warm 1g of water from 14.5°C to 15.5°C

## Btu (I.T.) to Calories (15 °C, NBS 1939) table

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< Smaller Values Larger Values >
Btu (I.T.) Calories (15 °C, NBS 1939)
0Btu (I.T.) 0.00cal(NBS)
1Btu (I.T.) 252.06cal(NBS)
2Btu (I.T.) 504.11cal(NBS)
3Btu (I.T.) 756.17cal(NBS)
4Btu (I.T.) 1008.22cal(NBS)
5Btu (I.T.) 1260.28cal(NBS)
6Btu (I.T.) 1512.34cal(NBS)
7Btu (I.T.) 1764.39cal(NBS)
8Btu (I.T.) 2016.45cal(NBS)
9Btu (I.T.) 2268.50cal(NBS)
10Btu (I.T.) 2520.56cal(NBS)
11Btu (I.T.) 2772.62cal(NBS)
12Btu (I.T.) 3024.67cal(NBS)
13Btu (I.T.) 3276.73cal(NBS)
14Btu (I.T.) 3528.78cal(NBS)
15Btu (I.T.) 3780.84cal(NBS)
16Btu (I.T.) 4032.90cal(NBS)
17Btu (I.T.) 4284.95cal(NBS)
18Btu (I.T.) 4537.01cal(NBS)
19Btu (I.T.) 4789.06cal(NBS)
Btu (I.T.) Calories (15 °C, NBS 1939)
20Btu (I.T.) 5041.12cal(NBS)
21Btu (I.T.) 5293.18cal(NBS)
22Btu (I.T.) 5545.23cal(NBS)
23Btu (I.T.) 5797.29cal(NBS)
24Btu (I.T.) 6049.34cal(NBS)
25Btu (I.T.) 6301.40cal(NBS)
26Btu (I.T.) 6553.46cal(NBS)
27Btu (I.T.) 6805.51cal(NBS)
28Btu (I.T.) 7057.57cal(NBS)
29Btu (I.T.) 7309.62cal(NBS)
30Btu (I.T.) 7561.68cal(NBS)
31Btu (I.T.) 7813.73cal(NBS)
32Btu (I.T.) 8065.79cal(NBS)
33Btu (I.T.) 8317.85cal(NBS)
34Btu (I.T.) 8569.90cal(NBS)
35Btu (I.T.) 8821.96cal(NBS)
36Btu (I.T.) 9074.01cal(NBS)
37Btu (I.T.) 9326.07cal(NBS)
38Btu (I.T.) 9578.13cal(NBS)
39Btu (I.T.) 9830.18cal(NBS)
Btu (I.T.) Calories (15 °C, NBS 1939)
40Btu (I.T.) 10082.24cal(NBS)
41Btu (I.T.) 10334.29cal(NBS)
42Btu (I.T.) 10586.35cal(NBS)
43Btu (I.T.) 10838.41cal(NBS)
44Btu (I.T.) 11090.46cal(NBS)
45Btu (I.T.) 11342.52cal(NBS)
46Btu (I.T.) 11594.57cal(NBS)
47Btu (I.T.) 11846.63cal(NBS)
48Btu (I.T.) 12098.69cal(NBS)
49Btu (I.T.) 12350.74cal(NBS)
50Btu (I.T.) 12602.80cal(NBS)
51Btu (I.T.) 12854.85cal(NBS)
52Btu (I.T.) 13106.91cal(NBS)
53Btu (I.T.) 13358.97cal(NBS)
54Btu (I.T.) 13611.02cal(NBS)
55Btu (I.T.) 13863.08cal(NBS)
56Btu (I.T.) 14115.13cal(NBS)
57Btu (I.T.) 14367.19cal(NBS)
58Btu (I.T.) 14619.25cal(NBS)
59Btu (I.T.) 14871.30cal(NBS)