I wonder if my system is good or bad. My server needs 0.1kWh.

  • sugar_in_your_tea@sh.itjust.works
    link
    fedilink
    English
    arrow-up
    3
    arrow-down
    2
    ·
    1 day ago

    At least in the US, the electric company charges in kWh, computer parts are advertised in terms of watts, and batteries tend to be in amp hours, which is easy to convert to watt hours.

    Joules just overcomplicates things.

      • BigDanishGuy@sh.itjust.works
        link
        fedilink
        English
        arrow-up
        1
        ·
        edit-2
        6 hours ago

        Wow, the US education system must be improved.

        I pay my electric bill by the kWh too, and I don’t live in the US. When it comes to household and EV energy consumption, kWh is the unit of choice.

        1J is 3600Wh.

        No, if you’re going to lecture people on this, at least be right about facts. 1W is 1J/s. So multiply by an hour and you get 1Wh = 3600J

        That’s literraly the same thing,

        It’s not literally the same thing. The two units are linearly proportional to each other, but they’re not the same. If they were the same, then this discussion would be rather silly.

        but the name is less confusing because people tend to confuse W and Wh

        Finally, something I can agree with. But that’s only because physics is so undervalued in most educational systems.

      • sugar_in_your_tea@sh.itjust.works
        link
        fedilink
        English
        arrow-up
        2
        ·
        12 hours ago

        Do you regularly divide/multiply by 3600? That’s not something I typically do in my head, and there’s no reason to do it when everything is denominated in watts. What exactly is the benefit?

      • overload@sopuli.xyz
        link
        fedilink
        English
        arrow-up
        1
        ·
        6 hours ago

        I did a physics degree and am comfortable with Joules, but in the context of electricity bills, kWh makes more sense.

        All appliances are advertised in terms of their Watt power draw, so estimating their daily impact on my bill is as simple as multiplying their kW draw by the number of hours in a day I expect to run the thing (multiplied by the cost per kWh by the utility company of course).