How Much Power Is My Mac Book Pro Using?

How much much power is my mac book pro using when it is closed and the power chord is plugged in? This is bugging the crap out of me because my dad keep making me unplug once im done. He claims its costing 7 bucks a month. I think that is bogus (remember this is when the laptop is closed). anyone have any answers?

I guess you could look at the info printed on your power adapter. Normally you'll see the output voltage and current values. Multiplying the two together will give you the power consumption of the computer (in watts) while it's plugged in. For example my Macbook says "16.5V and 3.65A" so it's about 60 Watts. For a MB Pro, my bet is around 80w. Looks like your dad did do his math to come up with that 7 bucks a month,:), but the pre-assumption is that you had it on 24/7, which i doubt. If you dad bought this MBP for you, you might wanna ask him why would he care the mere $7 after spending about $2000 on the thing.:)

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