Calculating kWh from Amps, Voltage and Time

  • Thread starter Thread starter chrisdanger
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SUMMARY

The discussion focuses on calculating kilowatt-hours (kWh) using the formula that incorporates amps, voltage, and time. To find kWh, one must multiply the current in amps by the voltage in volts and then by the time in hours. The correct formula is kWh = (Amps × Voltage × Time in hours) / 1000. The user initially attempted to convert time from days to hours but did not apply the formula correctly, leading to confusion.

PREREQUISITES
  • Understanding of electrical units: Amps, Volts, and Kilowatts
  • Basic knowledge of energy calculations
  • Familiarity with unit conversion, specifically from days to hours
  • Ability to perform multiplication and division with units
NEXT STEPS
  • Research the formula for calculating electrical energy: kWh = (Amps × Voltage × Time in hours) / 1000
  • Learn about unit conversions, particularly converting days to hours
  • Explore practical examples of calculating kWh in different scenarios
  • Investigate the implications of energy consumption in kilowatt-hours for household appliances
USEFUL FOR

Students studying electrical engineering, electricians, and anyone interested in understanding energy consumption calculations in residential or commercial settings.

chrisdanger
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Homework Statement


I need to find kwh and I'm not sure how

Given:
amps
voltage
time (in days)
kilowatts


Homework Equations





The Attempt at a Solution


I tried multiplying time in days by 24 and then multiplying by the hours but that didn't work
 
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chrisdanger said:
I tried multiplying time in days by 24 and then multiplying by the hours but that didn't work

What exactly did you multiply the time with?
You have to find energy, when the power and time are given. Simple multiplication should do it. Or you could post the specific values.
 

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