3 ms·
Pet peeve: I don't like the unit "kWh", since it's a unit of energy, divided by a unit of time, multiplied by a different unit of time, to give a unit of energy
by hugh3 16y ago
Pet peeve: I don't like the unit "kWh", since it's a unit of energy, divided by a unit of time, multiplied by a different unit of time, to give a unit of energy. Why don't they just give it in Joules?
kWh/day is even worse -- it's a unit of power made by dividing a unit of energy by a unit of time, multiplying it by a second unit of time, and dividing it by a third unit of time!
And now if you'll excuse me, I'm going to go for a jog at 0.11 meter days per hour per second.
- Vivtek 16y agoThey don't give it in Joules because I have no way of understanding how many Joules it takes to run my 17W bulb for two hours per day - but I do understand rather easily how many kWh/day that comes to. So while kWh/day may be confusing from the standpoint of relating it to the amount of coal burned, in point of fact it is the natural unit to use when discussing consumption.
- eru 16y ago17W * 2 hours = 17 W * 2 * 3600s = 0.122400 MJ. For comparison 1kWh = 3.6 MJ.