Watt (W)
The watt is the SI unit of power — one joule of energy transferred per second.
Watts rate light bulbs, appliance nameplates, solar panels, and electrical device consumption.
Watt to British Thermal Unit (IT) per Hour
Convert watt to british thermal unit (it) per hour instantly. Type in either field — results update live.
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Power Watt British Thermal Unit (IT) per Hour
1 watt = 3.4121416328 BTU per hour (IT)
Unit
Unit
Conversion table
Selected W values converted to Btu/h using the exact factor from this tool.
| W | Btu/h |
|---|---|
| 0.01 | 0.0341214163 |
| 0.1 | 0.3412141633 |
| 1 | 3.4121416328 |
| 2 | 6.8242832656 |
| 3 | 10.2364248984 |
| 5 | 17.060708164 |
| 10 | 34.121416328 |
| 20 | 68.2428326561 |
| 50 | 170.6070816402 |
| 100 | 341.2141632805 |
| 1,000 | 3,412.1416328045 |
How to convert
Exact conversion factors in both directions, plus a worked example.
1 W = 3.4121416328 Btu/h
1 Btu/h = 0.2930710702 W
To convert watt to british thermal unit (it) per hour, multiply by 3.4121416328.
To convert british thermal unit (it) per hour to watt, multiply by 0.2930710702.
Example: convert 10 W to Btu/h
10 × 3.4121416328 = 34.121416328 Btu/h
About these units
Short background on the units used in this conversion.
British Thermal Unit (IT) per Hour (Btu/h)
BTU per hour (IT) measures thermal power — one BTU of heat energy delivered each hour, about 0.293 watts.
BTU/h sizes US air conditioners, furnaces, and water heaters alongside ton-of-refrigeration ratings.
Frequently asked questions
How many BTU per hour (IT) are in one watt?
One watt equals 3.4121416328 BTU per hour (IT). Multiply your watts value by 3.4121416328 to convert to BTU per hour (IT).
What is the conversion formula?
Btu/h = W × 3.4121416328The reverse is
W = Btu/h × 0.2930710702, using the same exact factors as this converter.Is this Watt to British Thermal Unit (IT) per Hour converter private?
Yes. All calculations run locally in your browser. Nothing you type is sent to a server.
All watt conversions
Jump to any power conversion starting from watt — including the reverse direction and every other unit in our dataset.
british thermal unit (it) per hour (Btu/h) → watt (W)
watt (W) → kilowatt (kW)watt (W) → megawatt (MW)watt (W) → gigawatt (GW)watt (W) → horsepower (mechanical / uk) (hp)watt (W) → horsepower (metric) (metric hp)watt (W) → horsepower (electric) (hp (electric))watt (W) → ton (refrigeration) (TR)watt (W) → exawatt (EW)watt (W) → petawatt (PW)watt (W) → terawatt (TW)watt (W) → hectowatt (hW)watt (W) → dekawatt (daW)watt (W) → deciwatt (dW)watt (W) → centiwatt (cW)watt (W) → milliwatt (mW)watt (W) → microwatt (µW)watt (W) → nanowatt (nW)watt (W) → picowatt (pW)watt (W) → femtowatt (fW)watt (W) → attowatt (aW)watt (W) → horsepower (550 ft·lbf/s) (hp)watt (W) → horsepower (boiler) (hp (boiler))watt (W) → horsepower (water) (hp (water))watt (W) → pferdestärke (ps) (PS)watt (W) → british thermal unit (it) per minute (Btu/min)watt (W) → british thermal unit (it) per second (Btu/s)watt (W) → british thermal unit (thermochemical) per hour (Btu (th)/h)watt (W) → british thermal unit (thermochemical) per minute (Btu (th)/min)watt (W) → british thermal unit (thermochemical) per second (Btu (th)/s)watt (W) → mega british thermal unit (it) per hour (MBtu/h)watt (W) → mbh (thousand btu per hour)watt (W) → kilocalorie (it) per hour (kcal/h)watt (W) → kilocalorie (it) per minute (kcal/min)watt (W) → kilocalorie (it) per second (kcal/s)watt (W) → kilocalorie (thermochemical) per hour (kcal (th)/h)watt (W) → kilocalorie (thermochemical) per minute (kcal (th)/min)watt (W) → kilocalorie (thermochemical) per second (kcal (th)/s)watt (W) → calorie (it) per hour (cal/h)watt (W) → calorie (it) per minute (cal/min)watt (W) → calorie (it) per second (cal/s)watt (W) → calorie (thermochemical) per hour (cal (th)/h)watt (W) → calorie (thermochemical) per minute (cal (th)/min)watt (W) → calorie (thermochemical) per second (cal (th)/s)watt (W) → foot pound-force per hour (ft·lbf/h)watt (W) → foot pound-force per minute (ft·lbf/min)watt (W) → foot pound-force per second (ft·lbf/s)watt (W) → pound-foot per hour (lbf·ft/h)watt (W) → pound-foot per minute (lbf·ft/min)watt (W) → pound-foot per second (lbf·ft/s)watt (W) → erg per second (erg/s)watt (W) → kilovolt ampere (kV·A)watt (W) → volt ampere (V·A)watt (W) → newton meter per second (N·m/s)watt (W) → joule per second (J/s)watt (W) → exajoule per second (EJ/s)watt (W) → petajoule per second (PJ/s)watt (W) → terajoule per second (TJ/s)watt (W) → gigajoule per second (GJ/s)watt (W) → megajoule per second (MJ/s)watt (W) → kilojoule per second (kJ/s)watt (W) → hectojoule per second (hJ/s)watt (W) → dekajoule per second (daJ/s)watt (W) → decijoule per second (dJ/s)watt (W) → centijoule per second (cJ/s)watt (W) → millijoule per second (mJ/s)watt (W) → microjoule per second (µJ/s)watt (W) → nanojoule per second (nJ/s)watt (W) → picojoule per second (pJ/s)watt (W) → femtojoule per second (fJ/s)watt (W) → attojoule per second (aJ/s)watt (W) → joule per hour (J/h)watt (W) → joule per minute (J/min)watt (W) → kilojoule per hour (kJ/h)watt (W) → kilojoule per minute (kJ/min)