Energy Converters

62 free energy converters for BTU, calories, electronvolts, foot-pounds, joules, kilocalories, kilojoules, kilowatt-hours, therms, watt-hours. Each page shows the exact factor, the formula, a conversion table and works both ways. Calculations run in your browser.

• Joules to Kilojoules1 J = 0.001 kJConvert →
• Kilojoules to Joules1 kJ = 1,000 JConvert →
• Calories to Kilocalories1 cal = 0.001 kcalConvert →
• Joules to Calories1 J = 0.2390057361 calConvert →
• Joules to Electronvolts1 J = 6.24151e+18 eVConvert →
• Kilocalories to Calories1 kcal = 1,000 calConvert →
• Kilojoules to Calories1 kJ = 239.005736 calConvert →
• Kilojoules to Kilocalories1 kJ = 0.2390057361 kcalConvert →
• Calories to Kilojoules1 cal = 0.004184 kJConvert →
• Kilocalories to Kilojoules1 kcal = 4.184 kJConvert →
• Electronvolts to Joules1 eV = 1.60218e-19 JConvert →
• Watt-hours to Kilowatt-hours1 Wh = 0.001 kWhConvert →
• Calories to Joules1 cal = 4.184 JConvert →
• Kilowatt-hours to BTU1 kWh = 3,412.141633 BTUConvert →
• BTU to Kilowatt-hours1 BTU = 0.0002930711 kWhConvert →
• Joules to Kilowatt-hours1 J = 2.77778e-07 kWhConvert →
• Kilowatt-hours to Joules1 kWh = 3,600,000 JConvert →
• Joules to Kilocalories1 J = 0.0002390057 kcalConvert →
• Kilocalories to Joules1 kcal = 4,184 JConvert →
• Kilojoules to Kilowatt-hours1 kJ = 0.0002777778 kWhConvert →
• Kilowatt-hours to Watt-hours1 kWh = 1,000 WhConvert →
• BTU to Joules1 BTU = 1,055.055853 JConvert →
• Joules to Watt-hours1 J = 0.0002777778 WhConvert →
• Therms to Kilowatt-hours1 thm = 29.307107 kWhConvert →
• Joules to Foot-pounds1 J = 0.7375621493 ft·lbfConvert →
• Kilowatt-hours to Kilojoules1 kWh = 3,600 kJConvert →
• Foot-pounds to Joules1 ft·lbf = 1.355818 JConvert →
• Therms to BTU1 thm = 100,000 BTUConvert →
• Kilojoules to BTU1 kJ = 0.9478171203 BTUConvert →
• BTU to Kilojoules1 BTU = 1.055056 kJConvert →
• BTU to Therms1 BTU = 0.00001 thmConvert →
• Joules to BTU1 J = 0.0009478171 BTUConvert →
• Calories to BTU1 cal = 0.0039656668 BTUConvert →
• BTU to Calories1 BTU = 252.164401 calConvert →
• Watt-hours to Joules1 Wh = 3,600 JConvert →
• Kilowatt-hours to Therms1 kWh = 0.0341214163 thmConvert →
• Calories to Kilowatt-hours1 cal = 0.0000011622 kWhConvert →
• Kilowatt-hours to Calories1 kWh = 860,420.650096 calConvert →
• Kilocalories to BTU1 kcal = 3.965667 BTUConvert →
• BTU to Kilocalories1 BTU = 0.2521644007 kcalConvert →
• Kilocalories to Kilowatt-hours1 kcal = 0.0011622222 kWhConvert →
• Kilojoules to Electronvolts1 kJ = 6.24151e+21 eVConvert →
• Kilojoules to Watt-hours1 kJ = 0.2777777778 WhConvert →
• Electronvolts to Kilojoules1 eV = 1.60218e-22 kJConvert →
• Calories to Watt-hours1 cal = 0.0011622222 WhConvert →
• Kilocalories to Electronvolts1 kcal = 2.61145e+22 eVConvert →
• Kilowatt-hours to Kilocalories1 kWh = 860.42065 kcalConvert →
• Electronvolts to Kilocalories1 eV = 3.82929e-23 kcalConvert →
• Watt-hours to Calories1 Wh = 860.42065 calConvert →
• Watt-hours to BTU1 Wh = 3.412142 BTUConvert →
• BTU to Watt-hours1 BTU = 0.2930710702 WhConvert →
• BTU to Foot-pounds1 BTU = 778.169262 ft·lbfConvert →
• Watt-hours to Kilojoules1 Wh = 3.6 kJConvert →
• Kilowatt-hours to Electronvolts1 kWh = 2.24694e+25 eVConvert →
• Therms to Joules1 thm = 105,505,585.262 JConvert →
• Electronvolts to Calories1 eV = 3.82929e-20 calConvert →
• Electronvolts to Kilowatt-hours1 eV = 4.45049e-26 kWhConvert →
• Foot-pounds to Calories1 ft·lbf = 0.3240482668 calConvert →
• Foot-pounds to BTU1 ft·lbf = 0.0012850675 BTUConvert →
• Joules to Therms1 J = 9.47817e-09 thmConvert →
• Calories to Electronvolts1 cal = 2.61145e+19 eVConvert →
• Calories to Foot-pounds1 cal = 3.08596 ft·lbfConvert →