Tonnage Calculator
Convert between BTU and tons instantly
Free tool for field decisions
Why this tool matters
Solve the calculation or lookup now, then use the demo to see how the answer can stay visible on the morning operating board.
Next best step
Use the result in the field, then see the interactive demo when you want the answer to stay visible after this visit.
BTU to Tons
Tons to BTU
Quick Reference Chart
1 ton
12,000 BTU
1.5 tons
18,000 BTU
2 tons
24,000 BTU
2.5 tons
30,000 BTU
3 tons
36,000 BTU
3.5 tons
42,000 BTU
4 tons
48,000 BTU
5 tons
60,000 BTU
Understanding Tonnage
What is a ton? One ton of cooling equals 12,000 BTU/hour. The term comes from the amount of heat needed to melt one ton of ice in 24 hours.
Formula: Tons = BTU ÷ 12,000
Example: A 24,000 BTU air conditioner = 2 tons
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