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Solar Panel Array Area Calculator
Calculate roof area needed for a solar array.
sun Free Online Tool
⚡ Instant Results
📊 Clear Comparison
🔒 100% Free Tool
Area
Compare Your Options And Get Clear Answers
Calculate roof area needed for a solar array.
Solar Panel Array Area Estimator
Enter your numbers below for an instant estimate.
0
💡 Tip: Panels x panel area.
How It Works
Key concepts behind this calculator
1
Enter Values
Fill in each field with your own numbers.
2
Calculate
Results update as you change the inputs.
3
Review
Read the breakdown and the explanation.
4
Adjust
Change values to compare scenarios.
Quick Reference Guide
Solar Quick Guide
Typical values for reference.
| kW | Panel W | Panel m2 | Area |
|---|---|---|---|
| 2 | 400 | 1.9 | 9.5 m2 |
| 4 | 400 | 1.9 | 19.0 m2 |
| 6 | 450 | 2 | 28.0 m2 |
| 10 | 450 | 2 | 46.0 m2 |
| Rule of Thumb | Check inputs | Use as a guide | Round sensibly |
Common Questions
Solar Panel Array Calculator FAQ
Answers to common questions about this calculator.
Panels.
It gives a quick estimate of solar panel array area from the values you enter.
No. It is a planning estimate, so check important figures with a professional or official source.
Yes. Edit any field and the result updates when you calculate.