BTUs per Pound to Calories per Gram Converter
Enter the fuel efficiency in btus per pound below to convert it to calories per gram.
Convert BTUs per Pound to Calories per Gram
Enter a value in btus per pound (BTU/lb) to convert to calories per gram (cal/g).
BTU per Pound to Calorie per Gram Conversion Table
Table showing various btu per pound measurements converted to calories per gram. Click any preset value or arrow to load it into the converter.
| BTUs per Pound (BTU/lb) | Calories per Gram (cal/g) |
|---|---|
| 1 BTU/lb | 0.5555556 cal/g |
| 2 BTU/lb | 1.1111111 cal/g |
| 2.5 BTU/lb | 1.3888889 cal/g |
| 5 BTU/lb | 2.7777778 cal/g |
| 10 BTU/lb | 5.5555556 cal/g |
| 15 BTU/lb | 8.3333333 cal/g |
| 20 BTU/lb | 11.1111111 cal/g |
| 25 BTU/lb | 13.8888889 cal/g |
| 30 BTU/lb | 16.6666667 cal/g |
| 50 BTU/lb | 27.7777778 cal/g |
How to Convert BTUs per Pound to Calories per Gram
To convert btus per pound to calories per gram, multiply the fuel efficiency by the following conversion ratio: 0.5555556 calories per gram/btu per pound.
Since one btu per pound is equal to 0.5555556 calories per gram, you can use this simple formula to convert:
The fuel efficiency in calories per gram is equal to the fuel efficiency in btus per pound multiplied by 0.5555556.
For example, here's how to convert 5 btus per pound to calories per gram using the formula above.
How Many Calories per Gram Are in a BTU per Pound?
There are 0.5555556 calories per gram in a btu per pound, which is why we use this value in the formula above.
Our btu per pound to calorie per gram calculator automatically converts your fuel efficiency measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
BTUs per Pound and calories per gram are both units used to measure fuel efficiency. Keep reading to learn more about each unit.
What Is a BTU per Pound?
A btu per pound is a unit of fuel efficiency equal to 2,326 joules per kilogram (J/kg), the base unit for fuel efficiency. Imperial/US fuel specific heating value (1 BTU/lb = 2,326 J/kg). [1]
The btu per pound is classified as a US customary unit of fuel efficiency. BTUs per Pound can be abbreviated as BTU/lb; for example, 1 btu per pound can be written as 1 BTU/lb.
When working with btus per pound (BTU/lb) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.
In practice, btus per pound (BTU/lb) are widely used across large-scale industrial, bulk, and macro-level fuel efficiency specifications within US customary workflows, engineering documentation, and technical data sheets.
What Is a Calorie per Gram?
A calorie per gram is a unit of fuel efficiency equal to 4,186.8 joules per kilogram (J/kg), the base unit for fuel efficiency. Equal to 4,186.8 J/kg (1 kcal/kg). [2]
The calorie per gram is classified as a metric and SI-compatible unit of fuel efficiency. Calories per Gram can be abbreviated as cal/g; for example, 1 calorie per gram can be written as 1 cal/g.
When working with calories per gram (cal/g) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.
In practice, calories per gram (cal/g) are widely used across large-scale industrial, bulk, and macro-level fuel efficiency specifications within SI metric workflows, engineering documentation, and technical data sheets.
When converting fuel efficiency between btus per pound (BTU/lb) and calories per gram (cal/g), keep full floating-point precision (1 BTU/lb = 0.5555556 cal/g; 1 cal/g = 1.8 BTU/lb) during intermediate calculations and round only the final calorie per gram figure to match your instrument tolerance.
More BTU per Pound & Calorie per Gram Conversions
Need to calculate in the opposite direction? Use our calories per gram to btus per pound calculator to switch your starting unit immediately. You can also explore related tools such as converting calories per gram to btus per pound, converting joules per kilogram to calories per gram, or converting joules per kilogram to kilojoules per kilogram.
Convert from BTUs per Pound
Frequently Asked Questions
References
- [1]NIST OWM StandardNIST OWM (SI Units — Length)·Fuel Efficiency - Mass Metrology Standard — BTUs per Pound (BTU/lb) to Calories per Gram (cal/g)
- [2]BIPM SpecificationBIPM (SI Base Unit: Metre (m))·Unit Specifications: BTU per Pound (BTU/lb) & Calorie (IT) per Gram (cal/g)
- [3]NIST HB 133 ReferenceNIST HB 133 (NIST Handbook 133 (2019 Ed.))·Conversion Factors & Mathematical Basis (BTU/lb to cal/g)