Attowatts to Horsepower
Convert Attowatts to Horsepower instantly. Free online power unit converter with exact formula, conversion table and FAQ.
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Formula
hp = aW × 1.34102209e-21
aW = hp × 7.456998716e+20
Conversion table
| 1 aW | 1.34102e-21 hp |
| 5 aW | 6.70511e-21 hp |
| 10 aW | 1.34102e-20 hp |
| 20 aW | 2.68204e-20 hp |
| 50 aW | 6.70511e-20 hp |
| 100 aW | 1.34102e-19 hp |
| 500 aW | 6.70511e-19 hp |
| 1000 aW | 1.34102e-18 hp |
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Frequently asked questions
What is the source unit in this conversion?
The source unit is the attowatt (aW). A attowatt is 1e-18 watt units.
What is the destination unit in this conversion?
The destination unit is the horsepower (hp). Mechanical (imperial) horsepower is a traditional unit of power used for engines and motors, defined as exactly 745.6998715822702 watts.
How do I convert attowatts to horsepower?
Multiply the attowatt value by 1.34102209e-21 to get horsepower. For example, 1000 aW × 1.34102209e-21 = 1.34102e-18 hp.
Is the attowatts to horsepower conversion exact?
Yes. Both units are defined by fixed numeric relationships to the watt, so the conversion factor used here, 1.34102209e-21, is exact.
Where is this conversion commonly used?
It is used when comparing power ratings expressed in attowatts against equipment, engines, or specifications rated in horsepower.
Can I convert horsepower back to attowatts?
Yes. Multiply the horsepower value by 7.456998716e+20 to get attowatt.
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About this conversion
This page converts attowatts (aW) into horsepower (hp), two units used to describe power, the rate at which energy is transferred or work is done.
A attowatt is 1e-18 watt units.
Mechanical (imperial) horsepower is a traditional unit of power used for engines and motors, defined as exactly 745.6998715822702 watts.
The formula is hp = aW × 1.34102209e-21, derived from each unit's fixed relationship to the watt, the SI unit of power.
Because both units are defined by exact numeric relationships to the watt, this conversion is exact rather than approximate.