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Home » Math & Conversions » Unit Conversions » BTU to kWh Converter BTU to kWh Converter Convert energy from British Thermal Units (BTU) to kilowatt-hours (kWh) or calculate the energy cost of an appliance like an air conditioner. Energy Conversion (BTU ↔ kWh) Use this for converting pure energy units. This is **not** for appliance ratings (see next calculator). BTU Kilowatt-Hours (kWh) AC
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Heater Energy & Cost Calculator This is the tool you probably want. Use it to find the daily energy use and cost of an appliance based on its **power rating (BTU/hr)**. Appliance Power Rating (BTU/hr) Hours of Use per Day Cost per kWh (from your bill) Estimated Daily Cost $3.52 Based on 23.44 kWh of energy used per day. The Important Difference: BTU vs. BTU/hr The biggest point of confusion in this conversion is the difference between **Energy** and **Power**. BTU (British Thermal Unit) is a unit of **ENERGY**. It is an *amount* of heat, just like a kWh or a calorie. BTU/hr (BTU per hour) is a unit of **POWER**. It is the *rate* at which energy is used, just like a kW or horsepower. Your air conditioner isn't a "10,000 BTU" unit; it's a "10,000 BTU/hr" unit. It *consumes* energy at a *rate* of 10,000 BTU per hour. You pay your utility company for the total **energy (kWh)** you use over the month. Formulas Used 1. Energy Conversion (BTU to kWh) This is a direct conversion between two energy units. 1 BTU = 0.000293071 kWh 1 kWh = 3412.14 BTU Use the first calculator on this page for this simple conversion. 2. Power Conversion (BTU/hr to kW) This is a direct conversion between two power units. This is the first step in our cost calculator. 1 kW = 3412.14 BTU/hr 1 BTU/hr = 0.000293071 kW Example: A 10,000 BTU/hr AC unit has a power of 10,000

Heater Energy & Cost Calculator This is the tool you probably want. Use it to find the daily energy use and cost of an appliance based on its power rating (BTU/hr). Appliance Power Rating (BTU/hr) Hours of Use per Day Cost per kWh (from your bill) Estimated Daily Cost $3.52 Based on 23.44 kWh of energy used per day. The Important Difference: BTU vs. BTU/hr The biggest point of confusion in this conversion is the difference between Energy and Power. BTU (British Thermal Unit) is a unit of ENERGY. It is an amount of heat, just like a kWh or a calorie. BTU/hr (BTU per hour) is a unit of POWER. It is the rate at which energy is used, just like a kW or horsepower. Your air conditioner isn't a "10,000 BTU" unit; it's a "10,000 BTU/hr" unit. It consumes energy at a rate of 10,000 BTU per hour. You pay your utility company for the total energy (kWh) you use over the month. Formulas Used 1. Energy Conversion (BTU to kWh) This is a direct conversion between two energy units. 1 BTU = 0.000293071 kWh 1 kWh = 3412.14 BTU Use the first calculator on this page for this simple conversion. 2. Power Conversion (BTU/hr to kW) This is a direct conversion between two power units. This is the first step in our cost calculator. 1 kW = 3412.14 BTU/hr 1 BTU/hr = 0.000293071 kW Example: A 10,000 BTU/hr AC unit has a power of 10,000

Calculators in Heater Energy & Cost Calculator This is the tool you probably want. Use it to find the daily energy use and cost of an appliance based on its **power rating (BTU/hr)**. Appliance Power Rating (BTU/hr) Hours of Use per Day Cost per kWh (from your bill) Estimated Daily Cost $3.52 Based on 23.44 kWh of energy used per day. The Important Difference: BTU vs. BTU/hr The biggest point of confusion in this conversion is the difference between **Energy** and **Power**. BTU (British Thermal Unit) is a unit of **ENERGY**. It is an *amount* of heat, just like a kWh or a calorie. BTU/hr (BTU per hour) is a unit of **POWER**. It is the *rate* at which energy is used, just like a kW or horsepower. Your air conditioner isn't a "10,000 BTU" unit; it's a "10,000 BTU/hr" unit. It *consumes* energy at a *rate* of 10,000 BTU per hour. You pay your utility company for the total **energy (kWh)** you use over the month. Formulas Used 1. Energy Conversion (BTU to kWh) This is a direct conversion between two energy units. 1 BTU = 0.000293071 kWh 1 kWh = 3412.14 BTU Use the first calculator on this page for this simple conversion. 2. Power Conversion (BTU/hr to kW) This is a direct conversion between two power units. This is the first step in our cost calculator. 1 kW = 3412.14 BTU/hr 1 BTU/hr = 0.000293071 kW Example: A 10,000 BTU/hr AC unit has a power of 10,000.

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