Va ka radau
1kWh duju -   860 kcal
1m3   duju -  8500 kcal
1kg    duju - 11800 kcal
1m3 duju - 0,72 kg
1m3 duju - 16395 kcal
1m3 duju - 9300 Wh
1m3 duju sudegintu katile, kurio NK90proc. - 8,37 kWh
1kWh duju, kuriu kaina 1,58LT, kaina ~0,19 LT
1kWh=860420.6500956 cal.
1cal (is mazosios raides)= 1 gramas vandens pasidytas 1 laipsniu. ~4J

http://www.translatorscafe.com/cafe/units-converter/energy/calculator/kilowatt-hour-%5BkW*h%5D-to--kcal%5D/