Index
Site Map
Every page on BTU to Watts, organized so you can find what you need.
Main
Converters
17 dedicated tool pages, each with its own live calculator, interactive scale diagram, formula derivation, reference table, worked example, and FAQ.
BTU/hr to kW
Kilowatts for metric and European HVAC specs.
BTU/hr to MW
Megawatts for industrial chillers and power plants.
KVA to BTU/hr
Apparent power to heat output with power factor.
BTU/hr to Horsepower
Thermal power in mechanical hp for motor sizing.
BTU/hr to kcal/hr
Metric calorie-based HVAC spec conversion.
BTU/hr to MBH
Commercial HVAC schedules and boiler plate ratings.
BTU/s to Watts
Per-second heat-transfer rate to SI watts.
BTU/hr to Tons
Cooling capacity from BTU/hr nameplate to contractor tonnage.
BTU/min to Watts
Bench-test minute-rate heat flux to SI watts.
BTU/day to Watts
Daily heat-gain budgets to steady-state watts.
BTU to kWh
Energy quantity for gas-vs-electric cost comparisons.
BTU to Joules
Exact SI energy conversion for physics and chemistry.
BTU to kJ
Engineering and food-science energy in kilojoules.
BTU to MMBTU
Million-BTU for natural gas contracts and trading.
BTU to Therms
100,000-BTU units for residential gas bills.
BTU to Wh
Watt-hours for battery and small-device equivalence.
BTU/lb to Watts
Combustion power from fuel heating value and mass flow.
Blog
Long-form articles on BTU and watts — the math, the units, and the practical sizing decisions behind both.
Blog Index
All articles on BTU, watts, and HVAC sizing.
BTU vs Watts
What the two units measure and how they differ.
How to Convert BTU to Watts
Formula, worked examples, and mental-math shortcuts.
How to Convert Watts to BTU
Multiply watts by 3.412 — examples for every appliance.
BTU to Watts Chart
Quick-reference tables for AC sizing, heat pumps, and more.
BTU to Watts for Air Conditioners
Cooling capacity, electrical input, efficiency, and surge.
How Many BTU Is 1,500 Watts?
Heater output, electricity cost, amperage, and safety.
How Many BTU Is One Watt?
The base 3.412142 BTU/hr conversion explained.
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