![How to Convert HP to Wattage [Horsepower to Watts]](http://www.jackery.com/cdn/shop/articles/hp_to_wattage.png?v=1718767101)
Whether you want to understand the power of engines or the sizing of electrical systems, you'll need to convert hp to wattage. If you're going to convert hp to watts, you can use the following formula:
Watts = Horsepower (hp) × 745.699872
The formula assumes that one horsepower is approximately equal to 745.699872. However, the number might vary depending on the type of horsepower.
If the value of mechanical horsepower is 10 hp(M), the wattage will be 10 hp(M) × 745.699872 = 7,456.99872.
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Key Takeaways
- A watt is the power or rate of energy of one joule per second. It is also equal to power in a circuit with one volt of voltage potential and one amp of current.
- One mechanical horsepower equals wattage multiplied by 745.699872.
- One electric horsepower equals 746 wattage.
- One metric horsepower is the power needed to lift a 75-kilogram mass at one meter per second, which equals 735.49875 watts.
- One boiler horsepower is equal to 9809.5 watts.
What Is Wattage?
Wattage (or watts) measures the amount of energy consumed or passed through a circuit as it offers the ability to do some work. The power measured in watts is equal to current in amps multiplied by voltage in volts.
W = I × V
Let's use a water analogy to understand the concept of wattage: Imagine water flowing through a hose. The water flowing through the pipe is the current measured in amps, and the rate at which water is being pushed through the hose is called voltage.
When the rate of flow or the force by which water is pushed through the water hose changes, it will automatically change the force that does some kind of work when leaving the hose. In electrical terms, voltage determines the potential difference between these points, whereas current represents the flow rate.
For example, if you have a 120-watt light bulb and a 60-watt light bulb, it is evident that a 120-watt light bulb will need a larger flow of energy to work. However, if you want to run a 1000-watt coffee maker, you'll need a much bigger energy flow of around 1000W.
Let's check out other electrical terms related to watts:
Kilowatt: One kilowatt is equal to 1000 watts of electrical power and is abbreviated as kW. Your home's energy usage or consumption is rated in kilowatts on the monthly electricity bill.
Megawatt: A megawatt is a larger unit and is equal to 1000 kilowatts of power. Depending on the size of the solar generators, they can be rated in watts, kilowatts, or megawatts.
What Is Horsepower?
Horsepower is the measurement of the power of an engine and is denoted by hp. In other words, horsepower is how much work the engine is capable of doing. There are several types of horsepower, including electrical, metric, mechanical, metric, boiler, brake, and indicated. Out of all, electric and mechanical are the common types of horsepower. Let's briefly explain the four main types of horsepower:
Mechanical Horsepower: It is often used to measure engine and motor output. It's abbreviated as hp(I), and one mechanical horsepower is equal to 745.6998 watts.
Electric Horsepower: It is used to determine the output of electric motors and electrical machines. One electric horsepower is equivalent to 746 watts and is abbreviated as hp(E).
Metric Horsepower: One metric horsepower hp(M) is the power required to lift a 75 kg mass at one meter per second. It usually equals 735.49875 watts and is a non-SI metric unit for power. The metric horsepower can sometimes be written as PS, cv, hk, pk, ks, or ch.
Boiler Horsepower: It is used to measure the power of a boiler to generate steam. One boiler horsepower, hp(S), equals the energy needed to evaporate 34.5 pounds in 1 hour. Generally, 1 boiler horsepower is equal to 9809.5W.
The term horsepower measures the power output of steam engines, piston engines, turbine engines, and electrical motors.
Horsepower to Wattage Conversion
Horsepower and watts are both units of power, but they belong to different measurement systems. While horsepower is commonly used in the United States and is often related to engine power output, watts are the standard unit of power in the International System of Units (SI).
If you have a motor or sump pump rated at 10 hp and you want to convert hp to watts, you can use the following formulas that vary depending on the horsepower type:
Mechanical Horsepower to Watts
One wattage is equal to mechanical horsepower multiplied by 745.699872.
Watts = hp(I) × 745.699872
For example, if the mechanical horsepower is 5, the watts value can be calculated as 5 × 745.699872 = 3,728.49936W.
Electric Horsepower to Watts
One wattage is equal to electric horsepower multiplied by 746.
Watts = hp(E) × 746
Here's how to convert 10 hp(E) to wattage: 10 × 746 = 7460W.
Metric Horsepower to Watts
As mentioned above, one metric horsepower equals 735.49875 watts, and the formula is used to convert metric horsepower to watts.
Watts = hp(M) × 735.49875
Let's say you want to convert 10 metric horsepower to watts using the above formula: 10 hp(M) × 735.49875 = 7,354.9875W.
Boiler Horsepower to Watts
One boiler horsepower, hp(S), is equal to 9809.5 watts, and the formula for boiler hp to wattage conversion will be:
Watts = hp(S) × 9809.5
If the boiler horsepower is 10 hp(S), the wattage will equal 10 hp(S) × 9809.5 = 98,095W.
Here's a table revealing common metric hp to wattage conversions using the formula: Watts = hp(M) × 735.49875.
|
Horsepower |
Watts |
Rounded Watts |
|
1 hp |
735.49875W |
735W |
|
2 hp |
1,470.9975W |
1,471W |
|
5 hp |
3,677.49375W |
3,677W |
|
10 hp |
7,354.9875W |
7,355W |
|
15 hp |
11,032.48125W |
11,032W |
|
20 hp |
14,709.975W |
14,710W |
|
50 hp |
36,774.9375W |
36,775W |
|
100 hp |
73,549.875W |
73,550W |
|
200 hp |
1,47,099.75W |
1,47,100W |
Wattage to Horsepower Conversion
If you know the wattage of a particular appliance, you can calculate its horsepower by using wattage-to-hp conversion formulas.
Watts to Mechanical Horsepower
If you want to convert wattage to hp(I), you'll need to use the formula to find mechanical horsepower:
hp(I) = Watts ÷ 745.699872
For instance, if the wattage is 1000W, the mechanical horsepower will be 1000W ÷ 745.699872 = 1.3410220888 hp(I).
Watts to Electric Horsepower
If you want to convert wattage to hp(E), you'll need to use the formula mentioned below:
hp(E) = Watts ÷ 746
For example, if the wattage is 1000W, the electric horsepower will be 1000W ÷ 746 = 1.3404825737 hp(E).
Watts to Metric Horsepower
Similar to other conversion formulas, you can convert watts to metric horsepower. Here's the watts to hp(M) conversion formula:
hp(M) = Watts ÷ 735.49875
For example, if the power output or consumption of an appliance is 1000W, the metric horsepower will be 1000W ÷ 735.49875 = 1.3596216173 hp(M).
Watts to Boiler Horsepower
Boiler horsepower is equal to 9809.5W, and the formula to convert watts to boiler horsepower is as follows:
hp(S) = Watts ÷ 9809.5
If you want to convert 1000W to boiler horsepower, use the conversion formula: 1000W ÷ 9809.5 = 0.101941995 hp(S).
Here's a table revealing some common wattage to HP conversions:
|
Watts |
Mechanic Horsepower |
Electric Horsepower |
Metric Horsepower |
Boiler Horsepower |
|
1W |
0.001341 |
0.00134 |
0.00136 |
0.000102 |
|
5W |
0.006705 |
0.006702 |
0.006798 |
0.00051 |
|
10W |
0.01341 |
0.013405 |
0.013596 |
0.001019 |
|
20W |
0.02682 |
0.02681 |
0.027192 |
0.002039 |
|
50W |
0.067051 |
0.067024 |
0.067981 |
0.005097 |
|
100W |
0.134102 |
0.134048 |
0.135962 |
0.010194 |
|
200W |
0.268204 |
0.268097 |
0.271924 |
0.020388 |
|
500W |
0.670511 |
0.670241 |
0.679811 |
0.050971 |
|
1000W |
1.341 |
1.3405 |
1.3596 |
0.101942 |
Measurement of Power
Electricity is measured in units of power called W or watts. It is the unit of electrical power, which is equal to 1 ampere under 1 volt of pressure. One watt is a small amount of power. Small devices consume less energy, and their power consumption is measured in watts.
On the other hand, the power consumption of larger devices is measured in kilowatts or 1000W. Electric utilities determine the electricity consumption of their customers with meters that determine the monthly electricity consumption of the household.
The simple formula to calculate power in watts is equal to the multiplication of volts and amperes.
Let's understand these terms briefly:
Amps: The ampere or amps measure 1 coulomb of electric charge moving past a place per second.
Volts: One volt is the difference in the electric potential between two endpoints on a conductive wire when one ampere releases one watt of power in an area between those places.
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Jackery Portable Power Stations Explained
Jackery is a well-known manufacturer of solar generators, portable power stations, and solar panels. The Jackery Portable Power Stations have LiFePO4 or NMC batteries that can charge most household or outdoor appliances. You can recharge these portable power stations with the Jackery SolarSaga Solar Panels, wall outlets, or car chargers.
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Appliances Running Time
- Refrigerator (400W) = 6.4H
- Heater (1000W) = 2.5H
- AC (1200W) = 2.1H
- Coffee Maker (800W) = 3.2H
- TV (150W) = 17.1H
Customer Review
“I have been looking for a backup power supply for when the electricity goes out. This answers my problem with ease. I can plug my oxygen concentrator in with 3 hours of run time, which is plenty of time to get the gas generator up and running. Thanks for solving my problem.” — Larry Findley.
Jackery Explorer 2000 Plus Portable Power Station
The powerful Jackery Explorer 2000 Plus Portable Power Station is ideal for emergency home backup solutions that can power 99% of household appliances during extended power outages or blackouts. The foldable handle and double wheels ensure you can carry the portable power station to outdoor locations and keep appliances charged. The LiFePO4 battery has a lifespan of 10 years, even if you use it once per day. With the high-capacity power station, you can charge many heavy-duty appliances such as refrigerators, microwaves, etc.
Appliances Running Time
- Refrigerator (400W) = 4.3H
- Heater (1000W) = 1.7H
- AC (1200W) = 1.4H
- Coffee Maker (800W) = 2.1H
- TV (150W) = 11.5H
Customer Review
“I bought this unit to tide me over during hurricane power outages. I tested it on the fridge and microwave, and it worked fine. It's good to know it's ready when needed.” — Julia.
Jackery Explorer 1000 Plus Portable Power Station
If you're looking for a charging solution that offers more power in a small size, then the Jackery Explorer 1000 Plus Portable Power Station is reliable. It provides power for most appliances during home emergencies, off-road travel, and camping. The ChargeShield technology offers protection to the devices while charging. It has a sturdy design and foldable handle to move the battery anywhere and charge the appliances.
Appliances Running Time
- Refrigerator (400W) = 2.6H
- Heater (1000W) = 1.0H
- AC (1200W) = 53 minutes
- Coffee Maker (800W) = 1.3H
- TV (150W) = 7.1H
Customer Review
“Went on a 4-day camping trip, and the 1000 Plus was more than enough to last the entire time. It was mostly used for rechargeable lanterns, LED dog collars, and small gadgets. It's great to have for emergencies as well. Highly recommend it!” — Mitch Rulloda.
HP to Wattage Conversion FAQs
How big of a portable power station do I need?
The actual size of a portable power station you need to power indoor or outdoor appliances will vary depending on the watts of the appliances you're charging simultaneously and their running time. Here's an example:
Suppose you want to charge a refrigerator (400W), TV (150W), and an ice maker (100W) simultaneously during a brief power outage. The working hours of the Jackery Explorer 2000 Plus Portable Power Station will be calculated as follows:
Working Hours = Battery Capacity in Wh × 0.85 ÷ Operating Wattage of the Appliances = 2042.8Wh × 0.85 ÷ 650W = 2.6H.
Note: 0.85 is the power conversion factor that's taken into account for power loss happening while charging the devices.
Is 1 HP equal to 1000 watts?
No, 1 horsepower is not equal to 1000 watts. Instead, it is approximately 745.7 or 746 watts.
What is the formula of HP to watts?
Ideally, one hp is approximately equal to 746 watts. The hp to watts conversion formula is as follows:
Watts = hp × 746
What size generator do I need to run a 2 HP motor?
A 2 hp motor with a 1.5kW rating typically needs a minimum generator of 5kVA for the starting method. When the engine operates after the start, the requirement will be 1kVA for 1 hp and 2kVA for 2 hp.
What is the difference between a 1 HP and 2 HP motor?
The main difference between 1 hp and 2 hp motors is their power output. For example, one hp is equal to 746 watts, whereas a 2 hp electric motor can provide up to 1492 watts of power.
HP to Wattage Conversion
Horsepower and wattage are both units that measure power. Horsepower is the unit that measures power or the rate at which work is done. A watt is also the power unit that quantifies the energy transfer rate. One electric horsepower, hp(E), is equal to 746 watts, which makes it easy to convert hp to wattage or vice versa.
Jackery Portable Power Stations are high-capacity charging solutions that supply steady electricity to most household or outdoor appliances, including air conditioners, televisions, heaters, electric grills, sump pumps, etc. They can be used during power outages, camping, glamping, RVing, overlanding, or backyard parties.
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