watt per square metre W m-2 calorieIT per second square centimetre calIT s-1 cm-2 calorieth per second square centimetre calth s-1 cm-2 calorieIT per minute square centimetre calIT min-1 cm-2 calorieth per minute square centimetre calth min-1 cm-2 calorieIT per hour square centimetre calIT h-1 cm-2 calorieth per hour square centimetre calth h-1 cm-2 kilocalorieIT per hour square metre KcalIT h-1 m-2 kilocalorieth per hour square metre Kcalth h-1 m-2 British thermal unitIT per hour square foot BTUIT h-1 ft-2 British thermal unitth per hour square foot BTUth h-1 ft-2 British thermal unitIT per minute square foot BTUIT min-1 ft-2 British thermal unitth per minute square foot BTUth min-1 ft-2 British thermal unitIT per second square foot BTUIT s-1 ft-2 British thermal unitth per second square foot BTUth s-1 ft-2 British thermal unitIT per second square inch BTUIT s-1 in-2 British thermal unitth per second square inch BTUth s-1 in-2