Horsepower to Watt Converter

Convert horsepower to watt easily (Imperial to SI)

Horsepower to Watt Conversion
Horsepower (hp) Imperial Mechanical
Watt (W) SI Base
Common Power Values
Power Equivalents
1 Horsepower (hp) = 745.7 Watts
1 Kilowatt (kW) = 1.341 Horsepower
1 BTU per hour = 0.293 Watts
1 Ton of Refrigeration = 3.517 kW
Conversion Result
1 hp = 745.699872 W
1 hp = 745.699872 W
Exact Value
745.699872
Rounded
745.7
Imperial to SI Conversion
Imperial ↔ SI
Mechanical ↔ Base
Unit Comparison
From Unit
Horsepower (hp)
System: Imperial
Category: Mechanical
To Unit
Watt (W)
System: SI
Category: Base
Quick Reference
1 hp = In Other Units
745.699872 W
0.745700 kW
0.000746 MW
0.000001 GW
1.013870 PS
2,544.433581 BTU/h
42.407226 BTU/min
0.706787 BTU/s
178.107355 cal/s
641,186.476354 cal/h
0.212036 TR
33,000.000027 ft·lb/min
550.000000 ft·lb/s

Related Power Conversions

50 kW
50000 W
S S
2000 hp
84814.45 BTU/min
I I
100 hp
64118647.64 cal/h
I M
50 BTU/min
879.21 W
I S
25 hp
1060.18 BTU/min
I I
2000 hp
5088867.16 BTU/h
I I
100 hp
0 GW
I S
1000 GW
1000000000000 W
S S
250 hp
44526.84 cal/s
I M
1000 hp
178107.35 cal/s
I M

Horsepower to Watt Converter | Power Converter

Convert 1 horsepower to watts. 1 horsepower = 745.6999 watts. Easy power conversion calculator for hp to w. Accurate results for mechanical, thermal, and electrical power conversion.

Horsepower to Watt Conversion

Convert horsepower to watt easily with our accurate power conversion calculator. Whether you're working on Mechanical to Base applications or need to understand power measurements in different units, our tool provides instant results.

Conversion Formula

1 hp = 745.699872 W

To convert horsepower to watt, multiply the horsepower value by 745.699872.

Common Horsepower to Watt Conversions

Horsepower (hp) = Watt (W)
1 745.6999
5 3728.4994
10 7456.9987
25 18642.4968
50 37284.9936
100 74569.9872
250 186424.968
500 372849.936
1000 745699.872
1500 1118549.808
2000 1491399.744

Understanding Horsepower and Watt

Horsepower (hp)

The horsepower is a unit of power in the Imperial system, used for mechanical measurements.

• 1 horsepower = 745.7 watts

• Originally based on work capacity of draft horses

• Common for internal combustion engines (US/UK)

• Used in automotive, marine, and industrial engines

Watt (W)

The watt is a unit of power in the SI system, used for base measurements.

• Used for small appliances (blenders, fans, lights)

• Standard for electronic device power ratings

• Common for solar panels and batteries

• Base unit for all scientific power calculations

Imperial to SI Conversion

You are converting from a imperial unit to a si unit. This conversion is commonly needed when:

  • Comparing international product specifications
  • Working with equipment from different countries
  • Converting engineering calculations between systems
  • Understanding technical documentation from other regions
  • Meeting international standards and regulations

Practical Examples

Everyday Use
  • • A small appliance might use 74569.9872 W
  • • A typical household device: 372849.936 W
  • • An industrial machine: 3728499.36 W
  • • A large power system: 74569987.2 W
Industrial & Professional Use
  • • Engineering calculations and designs
  • • Equipment specification sheets
  • • International standards compliance
  • • Technical documentation preparation
  • • Cross-border project planning

Conversion Tips

Quick Mental Calculation

For approximate conversions, remember these quick multipliers:

  • For approximate conversion: Multiply by 745.7
  • 10 hp ≈ 7457 W
  • 100 hp ≈ 74570 W
For Precise Calculations

Always use our converter tool or the exact conversion factor:

1 hp = 745.699872 W

Need Other Conversions?

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