Solar Current Calculator
Calculate the current of a solar array from its power and voltage.
About the Solar Current Calculator
Numbers should not slow you down. The Solar Current Calculator does the arithmetic for you and shows the result live, so you can focus on the decision rather than the maths.
The inverter is the heart of a solar system — it converts DC power from panels and batteries into the AC power your appliances use. This Solar Current Calculator sizes the inverter from your peak simultaneous load.
The calculation matches the inverter's continuous rating to your running load, with headroom for surge loads like refrigerators and water pumps that draw more at startup.
In Pakistan, hybrid inverters combine solar, battery and grid input, letting the system switch seamlessly between sources. Sizing must consider both the solar array and the loads it powers.
A common mistake is matching the inverter to the solar array only, ignoring the load. If your peak load is 4 kW, a 3 kW inverter will trip regardless of how many panels you install — size from the load.
Bookmark the Solar Current Calculator for the next time you need it, and explore the rest of GuruAlpha's 1,200+ calculators for related everyday maths.
How to size a solar inverter
- 1
Enter your peak simultaneous load in watts or kW.
- 2
Add margin for surge loads from motors and compressors.
- 3
Read the recommended inverter rating, updated live.
Frequently Asked Questions
How do I calculate solar current?
Divide power by voltage. A 6.6 kW array at 415 V carries about 16 A.
How do I choose between a 5 kW and 10 kW inverter?
Match the inverter to your peak load, not the panel count. A home with two ACs needs a 8–10 kW hybrid inverter; one without ACs may manage on 3–5 kW. This calculator sizes from your actual load.