# Why is 1hp equal to 746 watts?

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## Why is 1hp equal to 746 watts?

If the motor uses 1 kW, it is about 75% efficient, which sounds right for a motor of that size. 745.7 watt is equal to one mechanical horsepower of 550 foot-pounds per second.

746 watts

745.7 watts

## How many watts does a HP have?

One electric horsepower is equal to exactly 746 watts. The electric horsepower is a US customary and imperial unit of power. Electric horsepower can be abbreviated as hp(E); for example, 1 electric horsepower can be written as 1 hp(E).

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## Why does HP 746 have 1 hp?

It derived its name from the following context: One horsepower is the amount of power used by a horse to lift a 550 pounds heavy object from a depth of 1 foot in one second. This power when converted to SI system gives 746 Watts. We are given power in units of Watts.

## How 1hp is equal to 746 watts?

The electrical equivalent of one horsepower is 746 watts in the International System of Units (SI), and the heat equivalent is 2,545 BTU (British Thermal Units) per hour. Another unit of power is the metric horsepower, which equals 4,500 kilogram-metres per minute (32,549 foot-pounds per minute), or 0.9863 horsepower.

## How do you prove 1 hp 746 watts?

A power level of 1 hp is approximately equivalent to 746 watt s (W) or 0.746 kilowatt s (kW). To convert from horsepower to watts, multiply by 746. To convert from watts to horsepower, multiply by 0.00134.

## Why do we sometimes take 1 hp horsepower 736 watts and sometimes 746 watts?

Power of engines was compared with capacity of a horse, and the term Horse Power came into use. The base unit HP is defined as 550 Foot- Pound per second. Its equivalent in metric system is 746 Watts (0.746 KW).

745.7 watts

## Is 1 hp equal to a horse?

1.3596216173 horsepower

746 Watts

## How many watts Makes 2 horsepower?

1.3596216173 horsepower

746 Watts

## How many watts have a horsepower?

Two common definitions used today are the mechanical horsepower (or imperial horsepower), which is about 745.7 watts and the metric horsepower, which is approximately 735.5 watts.

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## Is 1 HP equal to a horse?

Does one horsepower equal one horse?Not quite. It’s a common misconception that one horsepower is equal to the peak power production of a horse, which is capable of a maximum of around 14.9 horsepower. By comparison, a human being is capable of approximately five horsepower at peak power production.

## How many is 2 hp?

Watts (W)Mechanic horsepower (hp(I))Metric horsepower (hp(M))1 W0.001341 hp0.001360 hp2 W0.002682 hp0.002719 hp3 W0.004023 hp0.004079 hp4 W0.005364 hp0.005438 hp28 more rows

## Why is 1HP equal to 746 watts?

If the motor uses 1 kW, it is about 75% efficient, which sounds right for a motor of that size. 745.7 watt is equal to one mechanical horsepower of 550 foot-pounds per second.

one horsepower

## What is the meaning of 1HP?

The horsepower (hp) is a unit in the foot-pound-second ( fps ) or English system, sometimes used to express the rate at which mechanical energy is expended. It was originally defined as 550 foot-pounds per second (ft-lb/s). A power level of 1 hp is approximately equivalent to 746 watt s (W) or 0.746 kilowatt s (kW)

## Is 1 HP a lot?

1HP per pound, which is pretty high. Many older performance cars or lower-end stock performance cars are in this range, as well as many 400500cc bikes when you include rider weight. You can definitely go pretty fast with that. In a little 2000lbs car, it’s even higher at .

## Which of the following value is equivalent of 746 watts of an electric motor?

A power level of 1 hp is approximately equivalent to 746 watt s (W) or 0.746 kilowatt s (kW). To convert from horsepower to watts, multiply by 746. To convert from watts to horsepower, multiply by 0.00134.

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## How many watts is 1hp 746?

It derived its name from the following context: One horsepower is the amount of power used by a horse to lift a 550 pounds heavy object from a depth of 1 foot in one second. This power when converted to SI system gives 746 Watts. We are given power in units of Watts.

## How do you calculate 1 horsepower in Watts?

The electrical equivalent of one horsepower is 746 watts in the International System of Units (SI), and the heat equivalent is 2,545 BTU (British Thermal Units) per hour. Another unit of power is the metric horsepower, which equals 4,500 kilogram-metres per minute (32,549 foot-pounds per minute), or 0.9863 horsepower.

## How many HP is 746 watts?

If the motor uses 1 kW, it is about 75% efficient, which sounds right for a motor of that size. 745.7 watt is equal to one mechanical horsepower of 550 foot-pounds per second.

## Why do we use horsepower instead of watts?

The electrical equivalent of one horsepower is 746 watts in the International System of Units (SI), and the heat equivalent is 2,545 BTU (British Thermal Units) per hour. Another unit of power is the metric horsepower, which equals 4,500 kilogram-metres per minute (32,549 foot-pounds per minute), or 0.9863 horsepower.