What is a metric horsepower hour?

It is the amount of energy delivered by sustaining one metric horsepower, equal to 735.49875 watts, over one hour, which corresponds to 2,647,795.5 joules or approximately 0.73549875 kilowatt-hours.

Why convert metric horsepower hour to gigawatt-hour?

Converting to gigawatt-hour allows comparison and reporting of mechanical energy output in units commonly used for large-scale electrical energy production, consumption, and storage.

Can this conversion be used to calculate peak engine power?

No, the conversion assumes constant power output over an hour and does not account for transient or peak power variations.

How to Convert from Horsepower (metric) hour to Gigawatt-hour [GW*h]

Learn how to convert energy values from metric horsepower hours to gigawatt-hours, a unit commonly used for very large-scale electrical energy measurements. Understand key definitions, use cases, and examples to perform this conversion effectively.

Horsepower (metric) hour

Gigawatt-hour [GW*h]

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Horsepower (metric) hour to Gigawatt-hour [GW*h] Conversion Table

Horsepower (metric) hour	Gigawatt-hour [GW*h]

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Horsepower (metric) hour to Gigawatt-hour [GW*h] Conversion Table
Horsepower (metric) hour	Gigawatt-hour [GW*h]

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What Is This Tool?

This converter allows you to translate energy amounts expressed in metric horsepower hours into gigawatt-hours, a unit typically applied to large electrical energy quantities. It helps bridge the gap between engine energy output and utility-scale energy metrics.

How to Use This Tool?

Enter the energy value in metric horsepower hours you wish to convert
Select horsepower (metric) hour as the source unit and gigawatt-hour [GW*h] as the target unit
Execute the conversion to receive the equivalent energy in gigawatt-hours
Use the results to interpret or report energy data on a larger scale

Key Features

Converts energy measurements from horsepower (metric) hour to gigawatt-hour [GW*h]
Uses precise conversion factors based on joule equivalences
Supports energy analysis in automotive, power generation, and electrical utility contexts
Browser-based and easy to use without specialized software

Examples

1 horsepower (metric) hour converts to approximately 0.00000073549875 GW*h
1,000,000 horsepower (metric) hours equals about 0.73549875 GW*h

Common Use Cases

Estimating energy output from engines rated in metric horsepower over specific time intervals
Converting mechanical energy reports for fuel consumption or efficiency in energy units compatible with electrical grids
Comparing mechanical energy values to large-scale electricity production or storage capacities

Tips & Best Practices

Ensure consistent time intervals when applying the conversion factor
Interpret results carefully due to the large scale difference between the two units
Use this converter to facilitate energy analysis across mechanical and electrical domains

Limitations

Conversion assumes steady power output maintained for exactly one hour
Transient or peak variations in power are not considered
Results often involve very small decimal values reflecting the scale difference between units

Frequently Asked Questions

What is a metric horsepower hour?: It is the amount of energy delivered by sustaining one metric horsepower, equal to 735.49875 watts, over one hour, which corresponds to 2,647,795.5 joules or approximately 0.73549875 kilowatt-hours.
Why convert metric horsepower hour to gigawatt-hour?: Converting to gigawatt-hour allows comparison and reporting of mechanical energy output in units commonly used for large-scale electrical energy production, consumption, and storage.
Can this conversion be used to calculate peak engine power?: No, the conversion assumes constant power output over an hour and does not account for transient or peak power variations.

Key Terminology

Horsepower (metric) hour: A unit of energy corresponding to one metric horsepower maintained for one hour, equivalent to about 2,647,795.5 joules.
Gigawatt-hour [GW*h]: A large energy unit representing one gigawatt of power delivered continuously for one hour, equal to 3.6 × 10^12 joules.
Conversion rate: The factor relating energy in metric horsepower hours to gigawatt-hours, defined as 1 horsepower (metric) hour equals 7.3549874999999e-7 GW*h.

Quick Knowledge Check

What does one metric horsepower hour represent?

Energy delivered by 1 metric horsepower sustained for one hour

Power rating of an engine at peak load

Electrical energy consumed in one second

What is a gigawatt-hour primarily used to measure?

Small mechanical engine output

Large-scale electrical energy production or consumption

Instantaneous power at a given time

What limitation should be considered when converting metric horsepower hours to gigawatt-hours?

Conversion ignores transient power changes and assumes constant output for one hour

It applies only to peak engine output moments

It provides exact energy consumption values regardless of time

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