Turn power into perspective

Feel the watts.

Build a houseful of running devices, dial your electricity price, and watch everyday power turn into a very real monthly bill.

Your electricity price90¢/ kWh

5¢50¢$1.00

200watts live1 device running

Every selected device feeds the same bubble—more total power means more glow and wobble.

Your running-house total

1 device across 1 type

Grand total

^$16.20

/ month

18 kWh per month$194.40 per year

What's running

Game console daily use3 hours/ day

The whole-home effect

Every 1¢ matters.

For a home using 900 kWh/month, each 1¢ change moves the bill by $9.00.

At 90¢$810.00/ month

At 20¢: $180.00That's $630.00 more

Built-in wattage library

Tap + or − to set quantities.Shift-click adds one · Ctrl/Cmd-click removes one.

Built-in values are typical estimates—not measurements—so check the label for an exact model.

Start here

A kilowatt-hour measures energy used over time, not just power in the moment.

1,000watts×1hour=1kWh

Power perspective

Try a glowing ! device—or tap Surprise me—to uncover a counterintuitive energy hog.