Conversions

Instant, private, and free

Калькулятор: BTU per Hour to Watts Converter.

Используйте Калькулятор: BTU per Hour to Watts Converter, чтобы получить понятный и практичный результат по введённым данным.

On-device calculationNo signup
01

Set your values

Results update as you type.

Watts (W): 0.293071111111

Watts (W)

0.293071111111

Uses 1 Btu = 1,055.056 J and 3,600 seconds per hour, so 1 Btu/h = 0.2930711111 W.

FAQs

How does the btu per hour to watts converter work?

Convert International Table BTU per hour to watts.

Cite this calculator

Canonical URL: https://mathify.one/ru/conversion/btu-per-hour-to-watts

Cite as: Mathify. (2026). Калькулятор: BTU per Hour to Watts Converter. https://mathify.one/ru/conversion/btu-per-hour-to-watts

Use Cases

HVAC System Sizing

When selecting an air conditioner or heater, compare its BTU/hr rating to the wattage required for your space or electrical capacity.

Example: A 12,000 BTU/hr AC unit converts to about 3,517 watts.

Energy Consumption Analysis

Convert BTU/hr ratings to watts to estimate electricity usage and costs for heating or cooling equipment.

Example: Convert a 5,000 BTU/hr heater to watts to calculate its hourly energy cost.

Frequently Asked Questions

How do I convert BTU per hour to watts?
To convert BTU per hour (International Table) to watts, multiply the BTU/hr value by 0.29307107. For example, 10,000 BTU/hr equals approximately 2,930.71 watts. This converter does the calculation for you instantly.
What is the difference between BTU/hr and watts?
BTU per hour (British Thermal Units per hour) and watts are both units of power. One watt is equal to 3.412142 BTU/hr. BTU/hr is commonly used in heating and cooling systems, while watts are the standard SI unit for power.
Why is it important to convert BTU/hr to watts?
Converting BTU/hr to watts helps compare equipment from different regions or standards. It ensures you understand the actual power consumption or output of a heating or cooling system, which is essential for sizing, energy efficiency, and cost calculations.

Tips & Common Mistakes

Tips

  • Use the International Table (IT) BTU definition for standard conversions; other definitions (like thermochemical) may differ slightly.
  • Remember that 1 watt equals approximately 3.412 BTU/hr, so you can also divide watts by 3.412 to get BTU/hr.
  • For quick estimates, you can round the conversion factor to 0.293, but for precise engineering calculations, use the exact value 0.29307107.
  • Always double-check your input value for BTU/hr to avoid errors in the converted wattage.

Common Mistakes to Avoid

  • Using the wrong conversion factor: Some sources use 0.293, but the exact factor for International Table BTU is 0.29307107.
  • Confusing BTU per hour with BTU (energy) – this converter is for power (rate), not total energy.
  • Forgetting to specify the BTU type – this converter uses the International Table (IT) definition, which is standard for most applications.

Last updated: August 13, 2026