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
Calories (15 °C, NBS 1939) to Btu (I.T., pre-1956)
Format
Accuracy
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Calories (15 °C, NBS 1939) to Btu (I.T., pre-1956) formula
Btu (I.T., pre-1956) =
cal(NBS) * 0.0039674
Calories (15 °C, NBS 1939) to Btu (I.T., pre-1956) formula
Btu (I.T., pre-1956) =
cal(NBS) * 0.0039674
Btu (I.T., pre-1956)
One Btu (I.T., pre-1956) equates to 1055.04 J
Calories (15 °C, NBS 1939) to Btu (I.T., pre-1956) table
| Calories (15 °C, NBS 1939) | Btu (I.T., pre-1956) |
|---|---|
| 0cal(NBS) | 0.00Btu (I.T., pre-1956) |
| 1cal(NBS) | 0.00Btu (I.T., pre-1956) |
| 2cal(NBS) | 0.01Btu (I.T., pre-1956) |
| 3cal(NBS) | 0.01Btu (I.T., pre-1956) |
| 4cal(NBS) | 0.02Btu (I.T., pre-1956) |
| 5cal(NBS) | 0.02Btu (I.T., pre-1956) |
| 6cal(NBS) | 0.02Btu (I.T., pre-1956) |
| 7cal(NBS) | 0.03Btu (I.T., pre-1956) |
| 8cal(NBS) | 0.03Btu (I.T., pre-1956) |
| 9cal(NBS) | 0.04Btu (I.T., pre-1956) |
| 10cal(NBS) | 0.04Btu (I.T., pre-1956) |
| 11cal(NBS) | 0.04Btu (I.T., pre-1956) |
| 12cal(NBS) | 0.05Btu (I.T., pre-1956) |
| 13cal(NBS) | 0.05Btu (I.T., pre-1956) |
| 14cal(NBS) | 0.06Btu (I.T., pre-1956) |
| 15cal(NBS) | 0.06Btu (I.T., pre-1956) |
| 16cal(NBS) | 0.06Btu (I.T., pre-1956) |
| 17cal(NBS) | 0.07Btu (I.T., pre-1956) |
| 18cal(NBS) | 0.07Btu (I.T., pre-1956) |
| 19cal(NBS) | 0.08Btu (I.T., pre-1956) |
| Calories (15 °C, NBS 1939) | Btu (I.T., pre-1956) |
|---|---|
| 20cal(NBS) | 0.08Btu (I.T., pre-1956) |
| 21cal(NBS) | 0.08Btu (I.T., pre-1956) |
| 22cal(NBS) | 0.09Btu (I.T., pre-1956) |
| 23cal(NBS) | 0.09Btu (I.T., pre-1956) |
| 24cal(NBS) | 0.10Btu (I.T., pre-1956) |
| 25cal(NBS) | 0.10Btu (I.T., pre-1956) |
| 26cal(NBS) | 0.10Btu (I.T., pre-1956) |
| 27cal(NBS) | 0.11Btu (I.T., pre-1956) |
| 28cal(NBS) | 0.11Btu (I.T., pre-1956) |
| 29cal(NBS) | 0.12Btu (I.T., pre-1956) |
| 30cal(NBS) | 0.12Btu (I.T., pre-1956) |
| 31cal(NBS) | 0.12Btu (I.T., pre-1956) |
| 32cal(NBS) | 0.13Btu (I.T., pre-1956) |
| 33cal(NBS) | 0.13Btu (I.T., pre-1956) |
| 34cal(NBS) | 0.13Btu (I.T., pre-1956) |
| 35cal(NBS) | 0.14Btu (I.T., pre-1956) |
| 36cal(NBS) | 0.14Btu (I.T., pre-1956) |
| 37cal(NBS) | 0.15Btu (I.T., pre-1956) |
| 38cal(NBS) | 0.15Btu (I.T., pre-1956) |
| 39cal(NBS) | 0.15Btu (I.T., pre-1956) |
| Calories (15 °C, NBS 1939) | Btu (I.T., pre-1956) |
|---|---|
| 40cal(NBS) | 0.16Btu (I.T., pre-1956) |
| 41cal(NBS) | 0.16Btu (I.T., pre-1956) |
| 42cal(NBS) | 0.17Btu (I.T., pre-1956) |
| 43cal(NBS) | 0.17Btu (I.T., pre-1956) |
| 44cal(NBS) | 0.17Btu (I.T., pre-1956) |
| 45cal(NBS) | 0.18Btu (I.T., pre-1956) |
| 46cal(NBS) | 0.18Btu (I.T., pre-1956) |
| 47cal(NBS) | 0.19Btu (I.T., pre-1956) |
| 48cal(NBS) | 0.19Btu (I.T., pre-1956) |
| 49cal(NBS) | 0.19Btu (I.T., pre-1956) |
| 50cal(NBS) | 0.20Btu (I.T., pre-1956) |
| 51cal(NBS) | 0.20Btu (I.T., pre-1956) |
| 52cal(NBS) | 0.21Btu (I.T., pre-1956) |
| 53cal(NBS) | 0.21Btu (I.T., pre-1956) |
| 54cal(NBS) | 0.21Btu (I.T., pre-1956) |
| 55cal(NBS) | 0.22Btu (I.T., pre-1956) |
| 56cal(NBS) | 0.22Btu (I.T., pre-1956) |
| 57cal(NBS) | 0.23Btu (I.T., pre-1956) |
| 58cal(NBS) | 0.23Btu (I.T., pre-1956) |
| 59cal(NBS) | 0.23Btu (I.T., pre-1956) |