Convert BTU/Hour (BTU/h) to Horsepower (mech) (hp) instantly. Enter any value and get the result immediately.
BTU/h → hp Converter
| BTU/Hour (BTU/h) | Horsepower (mech) (hp) |
|---|---|
| 0.1 BTU/h | 0.0000393 hp |
| 0.5 BTU/h | 0.00019651 hp |
| 1 BTU/h | 0.00039301 hp |
| 2 BTU/h | 0.00078603 hp |
| 5 BTU/h | 0.00196507 hp |
| 10 BTU/h | 0.00393013 hp |
| 20 BTU/h | 0.00786027 hp |
| 50 BTU/h | 0.01965066 hp |
| 100 BTU/h | 0.03930133 hp |
| 200 BTU/h | 0.07860266 hp |
| 500 BTU/h | 0.19650664 hp |
| 1000 BTU/h | 0.39301328 hp |
| 5000 BTU/h | 1.96506638 hp |
| 10000 BTU/h | 3.93013276 hp |
The formula to convert BTU/Hour (BTU/h) to mechanical Horsepower (hp) is:
Reverse formula — Horsepower to BTU/h:
Step-by-step example — Convert 5000 BTU/h to hp:
Common examples:
BTU/Hour (British Thermal Units per hour) is a unit of power — it measures how fast heat energy is transferred. One BTU is the amount of heat needed to raise the temperature of one pound of water by 1°F. BTU/hour tells you how many of those heat units are transferred every hour.
BTU/h is widely used in the HVAC industry (Heating, Ventilation, and Air Conditioning) to rate the capacity of air conditioners, furnaces, boilers, and heat pumps. In India, AC capacity is often expressed in "tons" — 1 ton = 12,000 BTU/h.
Mechanical horsepower (hp) is an imperial unit of power originally defined by Scottish engineer James Watt in the 18th century to compare the output of steam engines to the power of draft horses. One mechanical horsepower equals 550 foot-pounds per second or 745.7 watts.
Horsepower is used to rate engines — cars, motorcycles, pumps, turbines, and industrial motors. In India, vehicle engine power is commonly expressed in both horsepower (hp) and kilowatts (kW).
| BTU/Hour (BTU/h) | Horsepower (hp) | Real World Reference |
|---|---|---|
| 100 BTU/h | 0.0393 hp | Small electric motor |
| 1,000 BTU/h | 0.393 hp | Small space heater |
| 2,545 BTU/h | 1 hp | 1 mechanical horsepower |
| 6,000 BTU/h | 2.36 hp | 0.5-ton AC unit |
| 12,000 BTU/h | 4.72 hp | 1-ton AC unit |
| 18,000 BTU/h | 7.08 hp | 1.5-ton AC unit |
| 24,000 BTU/h | 9.43 hp | 2-ton AC unit |
| 36,000 BTU/h | 14.15 hp | 3-ton AC unit |
| 100,000 BTU/h | 39.3 hp | Large industrial furnace |
| Feature | BTU/Hour | Horsepower (hp) |
|---|---|---|
| Full name | British Thermal Units/hour | Mechanical Horsepower |
| Equals in Watts | 1 BTU/h = 0.2931 W | 1 hp = 745.7 W |
| Primary use | HVAC, heating, cooling | Engines, motors, vehicles |
| Common in | US HVAC industry | Automotive worldwide |
| 1 unit equals | 0.000393 hp | 2545.46 BTU/h |
Multiply BTU/h by 0.00039301. Formula: hp = BTU/h × 0.00039301. Example: 5000 BTU/h = 5000 × 0.00039301 = 1.965 hp.
1 mechanical horsepower (hp) = 2,545.46 BTU/hour. This is the key conversion factor to remember.
BTU/h is used to measure heating and cooling capacity — especially in air conditioners, furnaces, and heat pumps. A 1-ton AC = 12,000 BTU/h. A 1.5-ton AC = 18,000 BTU/h.
12,000 BTU/h = 4.72 hp. This is the power equivalent of a standard 1-ton air conditioning unit.
BTU is a unit of energy (heat). BTU/hour is a unit of power — how fast that heat energy is produced or consumed. Power = Energy ÷ Time.
Mechanical horsepower = 745.7 watts = 550 foot-pounds per second. It is used to rate car engines, pumps, and industrial motors. Different from metric horsepower (735.5 W) and electrical horsepower (746 W).