Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Electrical
Solar Panel System Calculator
Estimate how many solar panels you need to cover your home's electricity usage based on your location's sun hours and panel specs. Ideal for planning a residential rooftop solar installation.
Fill in the required fields to see your result.
Electrical
Transformer Sizing Calculator
Determine the required KVA rating for a transformer based on connected load, voltage levels, load factor, and future growth. Use this when specifying or replacing a transformer for commercial or industrial installations.
Fill in the required fields to see your result.
Key differences
| Solar Panel System Calculator | Transformer Sizing Calculator | |
|---|---|---|
| Category | Electrical | Electrical |
| Inputs required | 4 | 3 |
| Result | Required Solar Panels (panels) | Required Transformer Rating (kVA) |
| What it does | Estimate how many solar panels you need to cover your home's electricity usage based on your location's sun hours and panel specs. Ideal for planning a residential rooftop solar installation. | Determine the required KVA rating for a transformer based on connected load, voltage levels, load factor, and future growth. Use this when specifying or replacing a transformer for commercial or industrial installations. |