System Designing

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BTU to ton converter for AC

Type a value in any unit. The tool converts it to ton, BTU/h, kW and kcal/h.

Ton

1.5 TR

BTU per hour

18,000

Kilowatt (cooling)

5.28 kW

Cooling output, not electricity use

kcal per hour

4,536

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Ton to BTU chart

Ton (TR)BTU/hkW (cooling)
0.759,0002.64
112,0003.52
1.518,0005.28
224,0007.03
2.530,0008.79
336,00010.55
448,00014.07
560,00017.59

Formulas

  • Ton = BTU/h ÷ 12,000
  • kW = ton × 3.517
  • kcal/h = ton × 3,024

To find the size your room needs, use the AC tonnage calculator or the AC size chart by room.

Common questions

›How many BTU is 1 ton of AC?

1 ton of refrigeration (TR) is 12,000 BTU per hour, or 3.517 kW of cooling.

›What is 18,000 BTU in ton?

18,000 BTU per hour is 1.5 ton. 24,000 BTU is 2 ton. 9,000 BTU is 0.75 ton.

›Is AC kW the same as electricity use?

No. Cooling kW is the heat the AC removes. Electricity use is much lower. A 1.5 ton AC gives about 5.3 kW of cooling but draws about 1 to 1.5 kW of power.

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