m = meter
kg = kilogram
N = Newton
J = Joule
cal = calorie
W = Watt
°K = degree Kelvin
°C = degree Celsius

1J = 1 N m = 0.239 cal
1 W = 1 J s-1
0°K = 273.15 °C
1 W = 3.415 BTU/hour
1 W = 0.239 cal/sec
1 m = 3.28 feet