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EUI Calculator
Energy use intensity of a building in kWh per square metre per year.
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Energy use intensity
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Energy use intensity of a building in kWh per square metre per year.
EUI Estimator
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💡 Tip: EUI = annual kWh / floor area.
How It Works
Key concepts behind this calculator
1
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2
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3
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4
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Quick Reference Guide
EUI Quick Guide
Typical values for reference.
| kWh | Area m2 | Target | EUI |
|---|---|---|---|
| 45000 | 400 | 100 | 112.5 kWh/m2 |
| 12000 | 90 | 100 | 133.3 kWh/m2 |
| 300000 | 2000 | 120 | 150.0 kWh/m2 |
| 8000 | 120 | 60 | 66.7 kWh/m2 |
| Rule of Thumb | Check inputs | Use as a guide | Round sensibly |
Common Questions
EUI Calculator FAQ
Answers to common questions about this calculator.
Annual energy use per unit of floor area.
Under about 100 kWh per m2 is efficient for offices.
All, converted to kWh.
No.