Question

How to calculate no of units of electricity consumed?

Answer 1

I guess...

power× cost per kwh

Answer 2

Answer:-

Consumption of power through certain time is calculated as unit.

Power in Watt.

Time in hours.

If , Watt × hour = 1000 then it is one unit

Assume 50 bulbs is used 20 hours

If 50 watts bulb is used for 20 hours

Then,

50 × 20 = 1000 wh = 1kwh = 1unit

We commonly say that 1kwh = 1unit.

More about the topic:-

Every state  have there own tariff rates for electricity billing. Normally the tariff Order of the respective company is available on their website for every year.