BTU per Hour (IT) to Watt Converter
Power · unit-converter
Convert BTU per Hour (IT) to Watt with a fixed input and output unit, step-by-step formula line, and reference tables. Linear units use SI watt definitions; mechanical hp uses 550 ft·lbf/s; BTU/h uses the IT BTU; dBm/dBW are logarithmic relative to 1 mW and 1 W. The full Power Converter also includes PS/CV, TR, kVA/MVA, and ft·lb/s.
Calculator
From: BTU per Hour (IT) (btu_hr)
To: Watt (w)
About BTU per Hour (IT)
BTU per hour expresses thermal power using the IT British thermal unit (≈ 1,055.056 J per BTU), divided by one hour. Common in HVAC equipment ratings.
About Watt
The watt is the SI unit of power (one joule per second). All linear units in this converter are defined by a fixed watt equivalent.
How to convert btu per hour (it) to watts
1 btu per hour (it) is equal to 0.29307107017222 watt when both are expressed in watt-equivalents:
1 btu_hr = (0.2930710701722222 W ÷ 1 W) w = 0.29307107017222 w
1 BTU/h (IT) = 1,055.05585262 J/h ÷ 3,600 s ≈ 0.29307107 W.
Each btu per hour (it) is defined as 0.2930710701722222 W and each watt as 1 W in this tool, so one btu_hr equals 0.2930710701722222 ÷ 1 w = 0.29307107017222 w.
Let d(btu_hr) be the numeric value in BTU per Hour (IT) (btu_hr), and d(w) the value in Watt (w). Then:
d(w) = d(btu_hr) × (0.2930710701722222 / 1)
Equivalently, divide by how many btu_hr fit into one w (watts per w divided by watts per btu_hr):
d(w) = d(btu_hr) ÷ 3.41214163312794
Or: watt = btu per hour (it) ÷ 3.41214163312794
Examples
Example #1: Convert 1 btu_hr to watt
1 btu_hr = 1 btu_hr × (0.2930710701722222/1) w = 0.2930710702 w
1 btu_hr = 1 btu_hr ÷ 3.41214163312794 = 0.2930710702 w
Intermediate watts: 0.2930710702 W
Example #2: Convert 10 btu_hr to watt
10 btu_hr = 10 btu_hr × (0.2930710701722222/1) w = 2.9307107017 w
10 btu_hr = 10 btu_hr ÷ 3.41214163312794 = 2.9307107017 w
Intermediate watts: 2.9307107017 W
Summary
To convert BTU per Hour (IT) to Watt, multiply the value in btu_hr by the ratio of watts per btu_hr divided by watts per w. Equivalently: value_w = value_btu_hr × (0.2930710701722222 / 1). Numerically, 1 btu_hr equals 0.2930710701722222 w.
Relationship context
You are converting between thermal engineering rates (BTU/h, kcal/h) (BTU per Hour (IT)) and SI / decimal power (watts and prefixes) (Watts). All linear values are mapped through watts first. The numeric factor is 2.930711e-1.
Conversion tables
| BTU per Hour (IT) (btu_hr) | Watt (w) |
|---|---|
| 0.1 | 0.029307107 |
| 1 | 0.2930710702 |
| 2 | 0.5861421403 |
| 3 | 0.8792132105 |
| 4 | 1.1722842807 |
| 5 | 1.4653553509 |
| 6 | 1.758426421 |
| 7 | 2.0514974912 |
| 8 | 2.3445685614 |
| 9 | 2.6376396315 |
| BTU per Hour (IT) (btu_hr) | Watt (w) |
|---|---|
| 10 | 2.9307107017 |
| 20 | 5.8614214034 |
| 30 | 8.7921321052 |
| 40 | 11.7228428069 |
| 50 | 14.6535535086 |
| 60 | 17.5842642103 |
| 70 | 20.5149749121 |
| 80 | 23.4456856138 |
| 90 | 26.3763963155 |
| 100 | 29.3071070172 |