Convert pound-force inch to horsepower hour
Please provide values below to convert pound-force inch [lbf*in] to horsepower hour [hp*h], or Convert horsepower hour to pound-force inch.
1 lbf*in = 4.20875424136e-08 hp*h. To convert pound-force inch to horsepower hour, multiply the value by 4.20875424136e-08; to go the other way, divide by it (1 hp*h = 23759999.8159 lbf*in). Both units measure energy and appear in everyday as well as technical calculations, so switching between them quickly is often useful.
Quick Reference
- 1 lbf*in = 4.20875424136e-08 hp*h
- 1 hp*h = 23759999.8159 lbf*in
- 10 lbf*in = 4.20875424136e-07 hp*h
- 100 lbf*in = 4.20875424136e-06 hp*h
How to Convert Pound-Force Inch to Horsepower Hour
1 lbf*in = 4.20875424136417e-08 hp*h
Example: convert 15 lbf*in to hp*h:
15 lbf*in = 15 × 4.20875424136417e-08 hp*h = 6.31313136204626e-07 hp*h
Pound-Force Inch to Horsepower Hour Conversion Table
| pound-force inch | horsepower hour |
|---|---|
| 1 lbf*in | 4.20875424136e-08 hp*h |
| 2 lbf*in | 8.41750848273e-08 hp*h |
| 3 lbf*in | 1.26262627241e-07 hp*h |
| 5 lbf*in | 2.10437712068e-07 hp*h |
| 10 lbf*in | 4.20875424136e-07 hp*h |
| 20 lbf*in | 8.41750848273e-07 hp*h |
| 50 lbf*in | 2.10437712068e-06 hp*h |
| 100 lbf*in | 4.20875424136e-06 hp*h |
| 500 lbf*in | 2.10437712068e-05 hp*h |
| 1000 lbf*in | 4.20875424136e-05 hp*h |
Pound-Force Inch
Pound-force inch (lbf·in) is a unit of torque representing the torque resulting from a one-pound-force applied at a perpendicular distance of one inch from the pivot point.
History/Origin
The pound-force inch has been used historically in engineering and mechanical contexts to quantify torque, especially in the United States, based on the imperial system of units. It originated from the need to measure rotational force in machinery and automotive applications.
Current Use
Today, pound-force inch is still used in engineering, automotive, and mechanical fields to specify torque values, particularly in the United States. It is often converted to SI units like newton-meters for international standardization.
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 pound-force inch in horsepower hour?
1 pound-force inch (lbf*in) = 4.20875424136e-08 horsepower hour (hp*h).
How do you convert pound-force inch to horsepower hour?
Multiply the pound-force inch value by 4.20875424136e-08. For example, 25 lbf*in × 4.20875424136e-08 = 1.05218856034e-06 hp*h.
What is 10 pound-force inch in horsepower hour?
10 lbf*in = 4.20875424136e-07 hp*h.
Which unit is larger, the pound-force inch or the horsepower hour?
The horsepower hour is the larger unit: 1 lbf*in equals only 4.20875424136e-08 hp*h.