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 (3.9°C)
Format
Accuracy
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Calories (15 °C, NBS 1939) to Btu (3.9°C) formula
Btu (3.9°C) =
cal(NBS) * 0.0039501
Calories (15 °C, NBS 1939) to Btu (3.9°C) formula
Btu (3.9°C) =
cal(NBS) * 0.0039501
Btu (3.9°C)
One BTU is the energy required to warm 1 avoirdupois pound of liquid water by 1 degree Fahrenheit, at one atmosphere. The Btu (3.9°C) uses the calorie value of water at the temperature of its maximum density
Calories (15 °C, NBS 1939) to Btu (3.9°C) table
| Calories (15 °C, NBS 1939) | Btu (3.9°C) |
|---|---|
| 0cal(NBS) | 0.00Btu (3.9°C) |
| 1cal(NBS) | 0.00Btu (3.9°C) |
| 2cal(NBS) | 0.01Btu (3.9°C) |
| 3cal(NBS) | 0.01Btu (3.9°C) |
| 4cal(NBS) | 0.02Btu (3.9°C) |
| 5cal(NBS) | 0.02Btu (3.9°C) |
| 6cal(NBS) | 0.02Btu (3.9°C) |
| 7cal(NBS) | 0.03Btu (3.9°C) |
| 8cal(NBS) | 0.03Btu (3.9°C) |
| 9cal(NBS) | 0.04Btu (3.9°C) |
| 10cal(NBS) | 0.04Btu (3.9°C) |
| 11cal(NBS) | 0.04Btu (3.9°C) |
| 12cal(NBS) | 0.05Btu (3.9°C) |
| 13cal(NBS) | 0.05Btu (3.9°C) |
| 14cal(NBS) | 0.06Btu (3.9°C) |
| 15cal(NBS) | 0.06Btu (3.9°C) |
| 16cal(NBS) | 0.06Btu (3.9°C) |
| 17cal(NBS) | 0.07Btu (3.9°C) |
| 18cal(NBS) | 0.07Btu (3.9°C) |
| 19cal(NBS) | 0.08Btu (3.9°C) |
| Calories (15 °C, NBS 1939) | Btu (3.9°C) |
|---|---|
| 20cal(NBS) | 0.08Btu (3.9°C) |
| 21cal(NBS) | 0.08Btu (3.9°C) |
| 22cal(NBS) | 0.09Btu (3.9°C) |
| 23cal(NBS) | 0.09Btu (3.9°C) |
| 24cal(NBS) | 0.09Btu (3.9°C) |
| 25cal(NBS) | 0.10Btu (3.9°C) |
| 26cal(NBS) | 0.10Btu (3.9°C) |
| 27cal(NBS) | 0.11Btu (3.9°C) |
| 28cal(NBS) | 0.11Btu (3.9°C) |
| 29cal(NBS) | 0.11Btu (3.9°C) |
| 30cal(NBS) | 0.12Btu (3.9°C) |
| 31cal(NBS) | 0.12Btu (3.9°C) |
| 32cal(NBS) | 0.13Btu (3.9°C) |
| 33cal(NBS) | 0.13Btu (3.9°C) |
| 34cal(NBS) | 0.13Btu (3.9°C) |
| 35cal(NBS) | 0.14Btu (3.9°C) |
| 36cal(NBS) | 0.14Btu (3.9°C) |
| 37cal(NBS) | 0.15Btu (3.9°C) |
| 38cal(NBS) | 0.15Btu (3.9°C) |
| 39cal(NBS) | 0.15Btu (3.9°C) |
| Calories (15 °C, NBS 1939) | Btu (3.9°C) |
|---|---|
| 40cal(NBS) | 0.16Btu (3.9°C) |
| 41cal(NBS) | 0.16Btu (3.9°C) |
| 42cal(NBS) | 0.17Btu (3.9°C) |
| 43cal(NBS) | 0.17Btu (3.9°C) |
| 44cal(NBS) | 0.17Btu (3.9°C) |
| 45cal(NBS) | 0.18Btu (3.9°C) |
| 46cal(NBS) | 0.18Btu (3.9°C) |
| 47cal(NBS) | 0.19Btu (3.9°C) |
| 48cal(NBS) | 0.19Btu (3.9°C) |
| 49cal(NBS) | 0.19Btu (3.9°C) |
| 50cal(NBS) | 0.20Btu (3.9°C) |
| 51cal(NBS) | 0.20Btu (3.9°C) |
| 52cal(NBS) | 0.21Btu (3.9°C) |
| 53cal(NBS) | 0.21Btu (3.9°C) |
| 54cal(NBS) | 0.21Btu (3.9°C) |
| 55cal(NBS) | 0.22Btu (3.9°C) |
| 56cal(NBS) | 0.22Btu (3.9°C) |
| 57cal(NBS) | 0.23Btu (3.9°C) |
| 58cal(NBS) | 0.23Btu (3.9°C) |
| 59cal(NBS) | 0.23Btu (3.9°C) |