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Both calculators run independently β€” change the inputs on either side to compare results.

Solar Energy

Solar Inverter Sizing Calculator

Determines the right inverter size for a solar array by factoring in panel capacity, orientation, climate, and DC:AC ratio. Use this when designing or auditing a rooftop or ground-mount solar system.

Fill in the required fields to see your result.
Solar Energy

Solar Battery Storage Calculator

Find the battery bank capacity (in amp-hours) needed to power your home for a set number of backup days. Use this when designing an off-grid system or adding storage to a grid-tied solar setup.

Fill in the required fields to see your result.

Key differences

Solar Inverter Sizing CalculatorSolar Battery Storage Calculator
CategorySolar EnergySolar Energy
Inputs required44
ResultRecommended Inverter Size (W AC)Required Battery Capacity (Ah)
What it doesDetermines the right inverter size for a solar array by factoring in panel capacity, orientation, climate, and DC:AC ratio. Use this when designing or auditing a rooftop or ground-mount solar system.Find the battery bank capacity (in amp-hours) needed to power your home for a set number of backup days. Use this when designing an off-grid system or adding storage to a grid-tied solar setup.