Convert 21 Kilojoule Per Mole to Kilocalorie Per Mole
5.015763829177501 kcal/mol
21 kJ/mol (kilojoule per mole) is equal to 5.015763829177501 kcal/mol (kilocalorie per mole). To convert from kilojoule per mole to kilocalorie per mole, multiply by 0.2388458966275 or divide by 4.186799999999929.