All calculatorsSee 1.5 Ton ACs
AC sizing
AC Ton Calculator
Undersized ACs never cool; oversized ones short-cycle and waste power. Answer a few questions to get the ideal tonnage for your room.
Room area150 sq ft
50400 sq ft
Ceiling height10 ft
People in the room2
Sun exposure
Recommended capacity
1.5Ton
≈ 18,000 BTU/hr
Room area150 sq ft
Occupants2
Ceiling10 ft
Exposuremedium
An estimate for typical Indian conditions. Very hot climates or large glass windows may need the next size up. Prefer a 5-star inverter model.