Specific Energy Conversion Chart

Printable specific energy conversion tables for the most-used conversions. Values are exact or rounded to 6 significant figures. Free to print and share with the credit line “Scientific Converters (scientificconverters.com)”.

Download PNG chart Open the Specific Enthalpy Converter (kJ/kg, BTU/lb, kcal/kg)

BTU per pound to kilojoule per kilogram

BTU per pound to kilojoule per kilogram conversion chart
BTU/lb	kJ/kg
1	2.326
10	23.26
100	232.6
144	334.944
500	1163
970	2256.22
1000	2326
1150	2674.9
13000	30238
19000	44194

kilojoule per kilogram to BTU per pound

kilojoule per kilogram to BTU per pound conversion chart
kJ/kg	BTU/lb
1	0.429923
10	4.29923
100	42.9923
334	143.594
419	180.138
1000	429.923
2257	970.335
2676	1150.47
3000	1289.77
3500	1504.73

kilocalorie per kilogram to kilojoule per kilogram

kilocalorie per kilogram to kilojoule per kilogram conversion chart
kcal/kg	kJ/kg
1	4.1868
10	41.868
80	334.944
100	418.68
540	2260.87
1000	4186.8
3500	14653.8
4500	18840.6
6000	25120.8
10500	43961.4

kilojoule per kilogram to kilocalorie per kilogram

kilojoule per kilogram to kilocalorie per kilogram conversion chart
kJ/kg	kcal/kg
1	0.238846
10	2.38846
100	23.8846
334	79.7745
419	100.076
1000	238.846
2257	539.075
2676	639.152
3000	716.538
3500	835.961

kilocalorie per kilogram to megajoule per kilogram

kilocalorie per kilogram to megajoule per kilogram conversion chart
kcal/kg	MJ/kg
1	0.0041868
10	0.041868
80	0.334944
100	0.41868
540	2.26087
1000	4.1868
3500	14.6538
4500	18.8406
6000	25.1208
10500	43.9614

megajoule per kilogram to BTU per pound

megajoule per kilogram to BTU per pound conversion chart
MJ/kg	BTU/lb
10	4299.23
15	6448.84
17	7308.68
25	10748.1
30	12897.7
42	18056.7
44	18916.6
46	19776.4
50	21496.1
120	51590.7

Source: Scientific Converters (scientificconverters.com), data version 2026-10-15. Factors from NIST SP 811 and the BIPM SI Brochure. Licence: CC BY 4.0.