Skip to content

BTU per Hour to Watts Converter

Convert BTU per hour to watts and watts to BTU/hr instantly. Bidirectional power converter with formula and common values.

BTU/hr

Watts

3,516.84

W

12000 BTU/hr = 3,516.84 W

W = BTU/hr × 0.29307

BTU per Hour to Watts: 1 BTU/hr equals 0.29307 W. To convert btu per hour to watts, multiply by 0.29307 (W = BTU/hr × 0.29307). For example, 10 BTU/hr = 2.9307 W.

How to Convert BTU per Hour to Watts

To convert from btu per hour to watts, multiply the value by 0.29307. The conversion is linear, meaning doubling the input doubles the output.

Conversion Formula

  • BTU per Hour to Watts: W = BTU/hr × 0.29307
  • Watts to BTU per Hour: BTU/hr = W ÷ 0.29307

BTU per Hour to Watts Conversion Chart

BTU per Hour (BTU/hr)Watts (W)
0.10.029307
0.250.073267
0.50.146535
10.29307
20.58614
30.87921
51.46535
102.9307
205.8614
257.32675
5014.6535
10029.307
25073.2675
1000293.07

Understanding the Units

What is a BTU per Hour?

One BTU per hour equals approximately 0.293071 watts — the standard rating unit for HVAC equipment in the US.

Common contexts: HVAC, air conditioning.

What is a Watt?

The watt is the SI derived unit of power, equal to one joule per second (1 W = 1 J/s = 1 V·A).

Named after James Watt (1736–1819), the Scottish engineer whose improvements to the steam engine helped drive the Industrial Revolution.

Common contexts: electricity, mechanics, lighting.

Real-World Reference Points

Item BTU per Hour (BTU/hr) Watts (W)
LED bulb30.70949
Incandescent bulb (old)204.729260
Microwave oven3412.15411000

Related

Watts to Kilowatts Converter

Convert watts to kilowatts and kilowatts to watts instantly.

Horsepower to Watts Converter

Convert horsepower to watts and watts to horsepower instantly.

Kilowatts to Horsepower Converter

Convert kilowatts to horsepower and horsepower to kilowatts instantly.

Watts to Horsepower Converter

Convert watts to horsepower and horsepower to watts instantly.

Kilowatts to Watts Converter

Convert kilowatts to watts and watts to kilowatts instantly.

Horsepower to Megawatts

Convert horsepower to megawatts and back.

FAQ

How many watts are in one BTU per hour?

One BTU per hour equals approximately 0.29307 watts.

What is BTU per hour used for?

BTU/hr is commonly used in the US to rate heating and cooling equipment such as furnaces, air conditioners, and water heaters.

How do I convert an AC unit rated in BTU/hr to watts?

Multiply the BTU/hr rating by 0.29307. For example, a 12,000 BTU/hr window unit uses approximately 3,517 watts or 3.5 kW of cooling capacity.

Is BTU/hr the same as BTU?

No. BTU is a unit of energy, while BTU/hr is a unit of power (energy per time). Air conditioner ratings labeled simply as "BTU" are actually BTU/hr.

How many watts are in 1 btu per hour?

1 BTU/hr equals 0.29307 W.

How do you convert btu per hour to watts?

Multiply the btu per hour value by 0.29307. Formula: W = BTU/hr × 0.29307.

How many watts are in 5 btu per hour?

5 BTU/hr = 1.46535 W.

How do you convert watts back to btu per hour?

Use the inverse formula: BTU/hr = W ÷ 0.29307. For example, 1 W = 3.412154 BTU/hr.

What is the difference between BTU per Hour and Watt?

One BTU per hour equals approximately 0.293071 watts — the standard rating unit for HVAC equipment in the US. The watt is the SI derived unit of power, equal to one joule per second (1 W = 1 J/s = 1 V·A).