Convert inch-pound to horsepower hour
Please provide values below to convert inch-pound [in*lbf] to horsepower hour [hp*h], or Convert horsepower hour to inch-pound.
1 in*lbf = 4.20875424136e-08 hp*h. To convert inch-pound to horsepower hour, multiply the value by 4.20875424136e-08; to go the other way, divide by it (1 hp*h = 23759999.8159 in*lbf). Both units measure energy and appear in everyday as well as technical calculations, so switching between them quickly is often useful.
Quick Reference
- 1 in*lbf = 4.20875424136e-08 hp*h
- 1 hp*h = 23759999.8159 in*lbf
- 10 in*lbf = 4.20875424136e-07 hp*h
- 100 in*lbf = 4.20875424136e-06 hp*h
How to Convert Inch-Pound to Horsepower Hour
1 in*lbf = 4.20875424136417e-08 hp*h
Example: convert 15 in*lbf to hp*h:
15 in*lbf = 15 × 4.20875424136417e-08 hp*h = 6.31313136204626e-07 hp*h
Inch-Pound to Horsepower Hour Conversion Table
| inch-pound | horsepower hour |
|---|---|
| 1 in*lbf | 4.20875424136e-08 hp*h |
| 2 in*lbf | 8.41750848273e-08 hp*h |
| 3 in*lbf | 1.26262627241e-07 hp*h |
| 5 in*lbf | 2.10437712068e-07 hp*h |
| 10 in*lbf | 4.20875424136e-07 hp*h |
| 20 in*lbf | 8.41750848273e-07 hp*h |
| 50 in*lbf | 2.10437712068e-06 hp*h |
| 100 in*lbf | 4.20875424136e-06 hp*h |
| 500 in*lbf | 2.10437712068e-05 hp*h |
| 1000 in*lbf | 4.20875424136e-05 hp*h |
Inch-Pound
The inch-pound (in·lbf) is a unit of torque or energy, representing the force of one pound applied at the end of a one-inch lever arm.
History/Origin
The inch-pound has been used primarily in the United States and other countries that employ imperial units, originating from the traditional use of inches and pounds in mechanical and engineering contexts, with its formal recognition dating back to the 19th century.
Current Use
It is commonly used in engineering, automotive, and mechanical applications to measure torque and energy, especially in contexts where imperial units are standard.
Horsepower Hour
A horsepower hour (hp*h) is a unit of energy representing the amount of energy equivalent to one horsepower of power sustained over one hour of time.
History/Origin
The horsepower hour originated from the traditional unit of horsepower used to quantify engine power, combined with the hour to measure energy consumption or production over time. It has been used primarily in engineering and energy industries to express energy usage or capacity.
Current Use
Today, the horsepower hour is rarely used in practical applications, having been largely replaced by the joule and other SI units. However, it may still be referenced in historical data, legacy systems, or specific industries dealing with older measurement standards within the energy and mechanical sectors.
Frequently Asked Questions
What is 1 inch-pound in horsepower hour?
1 inch-pound (in*lbf) = 4.20875424136e-08 horsepower hour (hp*h).
How do you convert inch-pound to horsepower hour?
Multiply the inch-pound value by 4.20875424136e-08. For example, 25 in*lbf × 4.20875424136e-08 = 1.05218856034e-06 hp*h.
What is 10 inch-pound in horsepower hour?
10 in*lbf = 4.20875424136e-07 hp*h.
Which unit is larger, the inch-pound or the horsepower hour?
The horsepower hour is the larger unit: 1 in*lbf equals only 4.20875424136e-08 hp*h.