Skip to main content
UnitConvertersGo

Pounds per Second to Pounds per Hour Converter

Enter the mass flow rate in pounds per second below to convert it to pounds per hour.

Convert Pounds per Second to Pounds per Hour

Enter a value in pounds per second (lb/s) to convert to pounds per hour (lb/h).

Result
•
18,000pounds per hour
5 lb/s = 18,000 lb/h
Result updates automatically
Get Widget
Suggested Conversions
Reference:NIST OWM (SI Units — Length)
[1–3] ↓

Pound per Second to Pound per Hour Conversion Table

Table showing various pound per second measurements converted to pounds per hour. Click any preset value or arrow to load it into the converter.

Pounds per Second (lb/s)Pounds per Hour (lb/h)
1 lb/s3,600 lb/h
2 lb/s7,200 lb/h
2.5 lb/s9,000 lb/h
5 lb/s18,000 lb/h
10 lb/s36,000 lb/h
15 lb/s54,000 lb/h
20 lb/s72,000 lb/h
25 lb/s90,000 lb/h
30 lb/s108,000 lb/h
50 lb/s180,000 lb/h

How to Convert Pounds per Second to Pounds per Hour

To convert pounds per second to pounds per hour, multiply the mass flow rate by the following conversion ratio: 3,600 pounds per hour/pound per second.

Since one pound per second is equal to 3,600 pounds per hour, you can use this simple formula to convert:

pounds per hour = pounds per second × 3,600

The mass flow rate in pounds per hour is equal to the mass flow rate in pounds per second multiplied by 3,600.

For example, here's how to convert 5 pounds per second to pounds per hour using the formula above.

pounds per hour = (5 lb/s × 3,600) = 18,000 lb/h

How Many Pounds per Hour Are in a Pound per Second?

There are 3,600 pounds per hour in a pound per second, which is why we use this value in the formula above.

1 lb/s = 3,600 lb/h|1 lb/h = 0.000277778 lb/s

Our pound per second to pound per hour calculator automatically converts your mass flow rate measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.

Pounds per Second and pounds per hour are both units used to measure mass flow rate. Keep reading to learn more about each unit.

What Is a Pound per Second?

A pound per second is a unit of mass flow rate equal to 0.4535924 kilograms per second (kg/s), the base unit for mass flow rate. Equal to 0.453592 kg/s. [1]

The pound per second is classified as a US customary unit of mass flow rate. Pounds per Second can be abbreviated as lb/s; for example, 1 pound per second can be written as 1 lb/s.

When working with pounds per second (lb/s) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.

In practice, pounds per second (lb/s) are widely used across standard mass flow rate applications within US customary workflows, engineering documentation, and technical data sheets.

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. [2]

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.

When converting mass flow rate between pounds per second (lb/s) and pounds per hour (lb/h), keep full floating-point precision (1 lb/s = 3,600 lb/h; 1 lb/h = 0.000277778 lb/s) during intermediate calculations and round only the final pound per hour figure to match your instrument tolerance.

More Pound per Second & Pound per Hour Conversions

Need to calculate in the opposite direction? Use our pounds per hour to pounds per second calculator to switch your starting unit immediately. You can also explore related tools such as converting pounds per hour to pounds per second, converting kilograms per second to kilograms per minute, or converting kilograms per minute to kilograms per second.

Frequently Asked Questions

There are 3,600 pounds per hour (lb/h) in 1 pound per second (lb/s). Conversely, 1 pound per hour (lb/h) is equal to 0.00027777 pounds per second (lb/s).

References

NIST · BIPM · ISO
  1. [1]
    NIST OWM (SI Units — Length)·Flow - Mass Metrology Standard — Pounds per Second (lb/s) to Pounds per Hour (lb/h)
    NIST OWM Standard
  2. [2]
    BIPM (SI Base Unit: Metre (m))·Unit Specifications: Pound per Second (lb/s) & Pound per Hour (lb/h)
    BIPM Specification
  3. [3]
    NIST HB 133 (NIST Handbook 133 (2019 Ed.))·Conversion Factors & Mathematical Basis (lb/s to lb/h)
    NIST HB 133 Reference
Measurement Navigator78 Categories9 Scientific Domains

Browse All 78 Measurement Categories

Fluids & Chemical ConvertersFluid dynamics, rheology, and chemical process converters covering volumetric, mass, and molar flow rates, mass flux density, molar/solution concentration, dynamic/kinematic viscosity, surface tension, and permeability.