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Ton to Kilowatt Converter

Enter the value that you want to convert ton (ton) to kilowatt (kW) or kilowatt to ton.Also written as TON to KW conversion.

1 ton = 3.5168528 kilowatt

Formula: kilowatt = ton value × 3.5168528

TON to KW — ton to kilowatt

ton
35.16853kW

10 ton = 35.16853 kilowatt

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Ton to Kilowatt: The Essentials

About the Ton

Ton (ton) is a unit of power measurement. 1 ton is equal to 3.5168528 kilowatt.

The Kilowatt in Engineering

Kilowatt (kW) is a unit of power measurement. 1 kilowatt is equal to 0.2843451 ton.

Power Measurement Across Applications

Power units span from milliwatts in electronics to megawatts in power plants. Engine output is still quoted in horsepower (mechanical, metric, and electrical — all slightly different). HVAC systems rate cooling in tons of refrigeration or BTU/hour. Solar panels specify watts peak. Electric motors list watts or kilowatts. Each industry carries its historical unit preferences, making conversion between them a daily necessity.

ton to kilowatt metric conversion table

0.01 ton=0.03517 kW
0.1 ton=0.35169 kW
1 ton=3.51685 kW
2 ton=7.03371 kW
3 ton=10.55056 kW
4 ton=14.06741 kW
5 ton=17.58426 kW
6 ton=21.10112 kW
7 ton=24.61797 kW
8 ton=28.13482 kW
9 ton=31.65168 kW
10 ton=35.16853 kW
11 ton=38.68538 kW
12 ton=42.20223 kW
13 ton=45.71909 kW
14 ton=49.23594 kW
15 ton=52.75279 kW
16 ton=56.26965 kW
17 ton=59.78650 kW
18 ton=63.30335 kW
19 ton=66.82020 kW
20 ton=70.33706 kW
30 ton=105.50559 kW
40 ton=140.67411 kW
50 ton=175.84264 kW
60 ton=211.01117 kW
70 ton=246.17970 kW
80 ton=281.34823 kW
90 ton=316.51676 kW
100 ton=351.68528 kW
200 ton=703.37057 kW
300 ton=1055.05585 kW
400 ton=1406.74114 kW
500 ton=1758.42642 kW
600 ton=2110.11171 kW
700 ton=2461.79699 kW
800 ton=2813.48227 kW
900 ton=3165.16756 kW
1000 ton=3516.85284 kW

How to Convert TON to KW (Ton to Kilowatt)?

We can convert ton to kilowatt by using an example.

Example:

Convert 20 Ton to Kilowatt?

We know 1 Ton = 3.5168528 kilowatt; 1 Kilowatt = 0.2843451 ton.

20 ton = ___kW

20 × 3.5168528 = 70.33706 kW (we know 1 ton = 3.5168528 kilowatt)

Answer:

20 ton = 70.33706 kilowatt

Tons of Refrigeration to Kilowatts: International HVAC Design

Outside North America, HVAC cooling capacity is expressed in kilowatts rather than tons. One ton of refrigeration equals 3.517 kW. This conversion is essential when working with international equipment catalogs, comparing systems from different manufacturers, or designing buildings to international standards (ISO, ASHRAE international publications).

  1. Identify the cooling capacity in tons of refrigeration.
  2. Multiply by 3.517 to get cooling capacity in kilowatts.
  3. Note: this is thermal kW (kWt), not electrical kW consumed.
  4. Example: 5 tons × 3.517 = 17.58 kW cooling.
💡 Tip: When reading international equipment specs showing "kW" cooling, divide by 3.517 to get the equivalent tons for comparison with North American catalogs. A "35 kW" split system is roughly a 10-ton unit.

Tons to kW: HVAC Capacity Comparison

Standard refrigeration tonnages in kilowatts for international comparison:

TonKilowatt
1 ton3.517 kW
2 tons7.034 kW
3 tons10.55 kW
5 tons17.58 kW
10 tons35.17 kW
25 tons87.92 kW
100 tons351.7 kW
1,000 tons3,517 kW

Worked Examples: Tons to Kilowatts

Question 1: A US-spec 4-ton rooftop unit needs to be replaced with an international equivalent. What kW cooling is needed?

Solution:

kW = tons × 3.517

= 4 × 3.517

= 14.07 kW

Answer: Specify a 14 kW (thermal) rooftop package unit from the international catalog.

Question 2: A chiller plant serving a hospital has 800 tons of cooling. Express in kW.

Solution:

kW = tons × 3.517

= 800 × 3.517

= 2,814 kW

Answer: 800 tons = 2,814 kW thermal cooling — a major chiller plant.

Question 3: A data center pod requires 75 tons of precision cooling. Convert to kW.

Solution:

kW = tons × 3.517

= 75 × 3.517

= 263.8 kW

Answer: 75 tons = 263.8 kW of precision cooling capacity.

Practice: Tons to kW

Try solving these on your own to test your understanding:

  1. Convert 6 tons to kW. (Answer: 21.1 kW)
  2. A wine cellar cooler is 2 tons. Express in kW. (Answer: 7.03 kW)
  3. Convert 50 tons to kW. (Answer: 175.8 kW)
  4. An ice rink chiller is 150 tons. What is that in kW? (Answer: 527.5 kW)
  5. A residential system is 3.5 tons. Convert to kW. (Answer: 12.31 kW)

kWt vs. kWe: Thermal vs. Electrical Kilowatts

In HVAC, "kW" can mean either thermal capacity (kWt — heat moved) or electrical consumption (kWe — electricity used). When a chiller is rated "500 kW," context determines which meaning applies. In cooling specs, it usually means kW thermal. The electrical consumption is found by dividing by COP: 500 kWt ÷ COP 5 = 100 kWe. Always clarify whether a spec is thermal or electrical to avoid expensive sizing errors.

International HVAC Standards and kW

ISO 5151 and Eurovent standards rate cooling equipment in kW. Australian, Middle Eastern, and Asian markets use kW exclusively. When a Daikin VRV system is rated "56 kW cooling," that is equivalent to about 16 tons. Contractors working with multinational clients or imported equipment must convert fluently between tons (North America) and kW (everywhere else).

Key Takeaways

  • 1 ton of refrigeration = 3.517 kW (thermal).
  • Multiply tons by 3.517 to get cooling kW.
  • International HVAC specs use kW; North America uses tons.
  • Distinguish between thermal kW (cooling capacity) and electrical kW (power draw).
  • COP connects the two: kWe = kWt ÷ COP.

Ton to Kilowatt Conversion Formula

kilowatt = ton × 3.5168528

1 ton = 3.5168528 kilowatt

1 kilowatt = 0.2843451 ton

Reverse: ton = kilowatt × 0.2843451

Frequently Asked Questions

How many kilowatt are in 1 ton?

There are 3.5168528 kilowatt in 1 ton. To convert ton to kilowatt, multiply the value by 3.5168528.

How do I convert ton to kilowatt?

Multiply your ton value by 3.5168528 to get the equivalent in kilowatt. For example, 5 ton = 5 × 3.5168528 = 17.58426 kilowatt.

How do I convert kilowatt to ton?

Multiply your kilowatt value by 0.2843451 to get the equivalent in ton. Alternatively, divide by 3.5168528.

What is 10 ton in kilowatt?

10 ton is equal to 35.16853 kilowatt.

What is 100 ton in kilowatt?

100 ton is equal to 351.68528 kilowatt.