Pounds per Hour to Kilograms per Second Converter
Enter the mass flow rate in pounds per hour below to convert it to kilograms per second.
Convert Pounds per Hour to Kilograms per Second
Enter a value in pounds per hour (lb/h) to convert to kilograms per second (kg/s).
Pound per Hour to Kilogram per Second Conversion Table
Table showing various pound per hour measurements converted to kilograms per second. Click any preset value or arrow to load it into the converter.
| Pounds per Hour (lb/h) | Kilograms per Second (kg/s) |
|---|---|
| 1 lb/h | 0.000125998 kg/s |
| 2 lb/h | 0.000251996 kg/s |
| 2.5 lb/h | 0.000314995 kg/s |
| 5 lb/h | 0.000629989 kg/s |
| 10 lb/h | 0.00126 kg/s |
| 15 lb/h | 0.00189 kg/s |
| 20 lb/h | 0.00252 kg/s |
| 25 lb/h | 0.0031499 kg/s |
| 30 lb/h | 0.0037799 kg/s |
| 50 lb/h | 0.0062999 kg/s |
How to Convert Pounds per Hour to Kilograms per Second
To convert pounds per hour to kilograms per second, multiply the mass flow rate by the following conversion ratio: 0.000125998 kilograms per second/pound per hour.
Since one pound per hour is equal to 0.000125998 kilograms per second, you can use this simple formula to convert:
The mass flow rate in kilograms per second is equal to the mass flow rate in pounds per hour multiplied by 0.000125998.
For example, here's how to convert 5 pounds per hour to kilograms per second using the formula above.
How Many Kilograms per Second Are in a Pound per Hour?
There are 0.000125998 kilograms per second in a pound per hour, which is why we use this value in the formula above.
Our pound per hour to kilogram per second calculator automatically converts your mass flow rate measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
Pounds per Hour and kilograms per second are both units used to measure mass flow rate. Keep reading to learn more about each unit.
What Is a Pound per Hour?
A pound per hour is a unit of mass flow rate equal to 0.000125998 kilograms per second (kg/s), the base unit for mass flow rate. Steam boiler and aviation fuel flow unit. [1]
The pound per hour is classified as a US customary unit of mass flow rate. Pounds per Hour can be abbreviated as lb/h; for example, 1 pound per hour can be written as 1 lb/h.
When working with pounds per hour (lb/h) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.
In practice, pounds per hour (lb/h) are widely used across fine-tolerance laboratory, analytical, and micro-scale mass flow rate measurements within US customary workflows, engineering documentation, and technical data sheets.
What Is a Kilogram per Second?
SI unit of mass flow rate. It serves as a primary reference unit for measuring mass flow rate across scientific and practical applications. [2]
The kilogram per second is classified as an International System of Units (SI) unit of mass flow rate. Kilograms per Second can be abbreviated as kg/s; for example, 1 kilogram per second can be written as 1 kg/s.
As the primary coherent reference unit for mass flow rate in this category, all other mass flow rate units are mathematically anchored to the kilogram per second (kg/s).
In practice, kilograms per second (kg/s) are widely used across standard mass flow rate applications within International System of Units (SI) workflows, engineering documentation, and technical data sheets.
When converting mass flow rate between pounds per hour (lb/h) and kilograms per second (kg/s), keep full floating-point precision (1 lb/h = 0.000125998 kg/s; 1 kg/s = 7,936.6414387 lb/h) during intermediate calculations and round only the final kilogram per second figure to match your instrument tolerance.
More Pound per Hour & Kilogram per Second Conversions
Need to calculate in the opposite direction? Use our kilograms per second to pounds per hour calculator to switch your starting unit immediately. You can also explore related tools such as converting kilograms per second to pounds per hour, converting kilograms per minute to kilograms per second, or converting kilograms per hour to kilograms per second.
Convert from Pounds per Hour
Frequently Asked Questions
References
- [1]NIST OWM StandardNIST OWM (SI Units — Length)·Flow - Mass Metrology Standard — Pounds per Hour (lb/h) to Kilograms per Second (kg/s)
- [2]BIPM SpecificationBIPM (SI Base Unit: Metre (m))·Unit Specifications: Pound per Hour (lb/h) & Kilogram per Second (kg/s)
- [3]NIST HB 133 ReferenceNIST HB 133 (NIST Handbook 133 (2019 Ed.))·Conversion Factors & Mathematical Basis (lb/h to kg/s)