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Convert watts to btu/h

1 watt equals 3.4121416 btu per hour. Enter a value below to convert instantly.

1 W
3.4121416 BTU/h

Multiply the number of watts by 3.41214163313 to get btu per hour. How this is calculated

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Need the other direction? Convert btu per hour to watt →

Formula

Multiply the number of watts by 3.41214163313 to get btu per hour.

Step by step

  1. Start with 1 W.
  2. Multiply by the conversion factor 3.41214163313.
  3. 1 × 3.41214163313 = 3.4121416 BTU/h.

Watts to BTU per Hour conversion table

Watts (W) BTU per Hour (BTU/h)
1 3.4121416
2 6.8242833
5 17.060708
10 34.121416
20 68.242833
50 170.60708
100 341.21416
500 1,706.0708
1,000 3,412.1416

Convert Watt to other power units

1 W expressed in every other power unit on this site.

  • Kilowatt kW 0.001
  • Megawatt MW 0.000001
  • Gigawatt GW 1e-9
  • Terawatt TW 1e-12
  • Milliwatt mW 1,000
  • Microwatt µW 1,000,000
  • Nanowatt nW 1,000,000,000
  • Picowatt pW 1,000,000,000,000
  • Femtowatt fW 1,000,000,000,000,000
  • Attowatt aW 1e+18
  • Centiwatt cW 100
  • Deciwatt dW 10
  • Dekawatt daW 0.1
  • Hectowatt hW 0.01
  • Petawatt PW 1e-15
  • Exawatt EW 1e-18
  • Volt-ampere VA 1
  • Kilovolt-ampere kVA 0.001
  • Joule per Second J/s 1
  • Kilojoule per Second kJ/s 0.001
  • Joule per Hour J/h 3,600
  • Megajoule per Second MJ/s 0.000001
  • Gigajoule per Second GJ/s 1e-9
  • Terajoule per Second TJ/s 1e-12
  • Petajoule per Second PJ/s 1e-15
  • Exajoule per Second EJ/s 1e-18
  • Hectojoule per Second hJ/s 0.01
  • Dekajoule per Second daJ/s 0.1
  • Decijoule per Second dJ/s 10
  • Centijoule per Second cJ/s 100
  • Millijoule per Second mJ/s 1,000
  • Microjoule per Second µJ/s 1,000,000
  • Nanojoule per Second nJ/s 1,000,000,000
  • Picojoule per Second pJ/s 1,000,000,000,000
  • Femtojoule per Second fJ/s 1,000,000,000,000,000
  • Attojoule per Second aJ/s 1e+18
  • Joule per Minute J/min 60
  • Kilojoule per Hour kJ/h 3.6
  • Kilojoule per Minute kJ/min 0.06
  • Erg per Second erg/s 10,000,000
  • Horsepower (mechanical) hp 0.0013410221
  • Horsepower (metric) PS 0.0013596216
  • Horsepower (electric) hp(E) 0.0013404826
  • Horsepower (boiler) hp(S) 0.000101942
  • Horsepower (water) hp(water) 0.0013404053
  • BTU per Hour BTU/h 3.4121416
  • BTU per Minute BTU/min 0.056869027
  • BTU per Second BTU/s 0.00094781712
  • MBTU per Hour MBTU/h 0.0034121416
  • MMBTU per Hour MMBTU/h 0.0000034121416
  • Ton of Refrigeration RT 0.00028434514
  • Calorie (th) per Second cal(th)/s 0.23900574
  • Kilocalorie (th) per Hour kcal(th)/h 0.86042065
  • Kilocalorie (th) per Minute kcal(th)/min 0.014340344
  • Kilocalorie (th) per Second kcal(th)/s 0.00023900574
  • Calorie (th) per Hour cal(th)/h 860.42065
  • Calorie (th) per Minute cal(th)/min 14.340344
  • Calorie (IT) per Second cal(IT)/s 0.2388459
  • Calorie (IT) per Minute cal(IT)/min 14.330754
  • Calorie (IT) per Hour cal(IT)/h 859.84523
  • Kilocalorie (IT) per Second kcal(IT)/s 0.0002388459
  • Kilocalorie (IT) per Minute kcal(IT)/min 0.014330754
  • Kilocalorie (IT) per Hour kcal(IT)/h 0.85984523
  • BTU (th) per Hour BTU(th)/h 3.4144251
  • BTU (th) per Minute BTU(th)/min 0.056907085
  • BTU (th) per Second BTU(th)/s 0.00094845141
  • Foot-pound per Second ft·lbf/s 0.73756215
  • Foot-pound per Minute ft·lbf/min 44.253729
  • Foot-pound per Hour ft·lbf/h 2,655.2237
  • Kilogram-force Meter per Second kgf·m/s 0.10197162
  • Poundal-foot per Second pdl·ft/s 23.73036

About the watt

The watt (W) is a SI unit of power.

About the btu per hour

The btu per hour (BTU/h) is a Imperial unit of power.

Where this conversion is used

Converting watts to btu per hour comes up when engines, appliances, solar panels, and HVAC sizing.

Related conversions

Frequently asked questions

How many btu per hour are in a watt?

One watt equals 3.4121416 btu per hour.

How do you convert watts to btu per hour?

Multiply the number of watts by 3.41214163313 to get btu per hour.

What is 1 btu per hour in watts?

One btu per hour equals 0.29307107 watts.

When would I convert watts to btu per hour?

This conversion is common when engines, appliances, solar panels, and HVAC sizing.

Conversion factors are based on internationally agreed unit definitions. See our methodology and sources for details on how these values are verified.