Calculate the number of solar panels required for your office, home, or commercial building. Use the solar panel calculator for total load calculation. Based on the total load calculation, you can find the number of solar panels required for your home or office.

## Number of Solar Panel Calculator

In this process, the first step is to find the load of your home. Put all the load into the **solar panel calculator** with approximated hours of usage. It will calculate the kilowatt-hours (KWh) also called energy units.

It is also recommended to overview your electricity bill. Where you have to find the monthly unit consumption of your home. It is a good idea to average a load for the last 12 months as the load is expected to change with the weather.

**Calculate the Number of Solar Panel Required**

Once the total load is calculated you can calculate the number of solar panels by dividing the load by the wattage of the solar panel. A low-wattage panel of 150watt or a high-wattage solar panel of 370watt per solar panel can be used. Other factors like backup batteries and sunlight impact the rooftop of your home. For instance, a 6kW solar system typically consists of up to 12 solar panels of 580 watts.

The number of solar panels depends upon the shape of your roof. If the roof is usual and you can place large panels, you can use high-power large panels and save. If the roof is unusual and has a limited area. The number of solar panels will increase and become more expensive. The typical solar panel size is 5.6 feet by 3.4 feet with some variations.

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Factors Affecting the Number of Solar Panels include the sunlight-hitting duration. It may depend upon the number of shades on the roof, and the nearby building. Expert recommends including an extra 25% cushion for unseen weather conditions.

Note that the calculation is limited to 5 hours of average sunlight time and 370 watts. Thus a 370-watt solar panel will produce 1850-watt-hours or 1.85kw per day. On average, a solar panel of 370 watts produces around 50KWh of energy per month if exposed to 5 hours of sunlight daily.