Pound/Hour to Kilogram/Second Converter

Mass Flow Rate Converter

9 units available

Decimals:

From

To

0.000126

1 lb/h = 0.000126 kg/s

Formula:

kg/s = lb/h × 0.0001259979

With your value: 1 lb/h = 0.000126 kg/s

Other Pound/Hour to Kilogram/Second conversions

2 lb/h to kg/s 3 lb/h to kg/s 4 lb/h to kg/s 5 lb/h to kg/s 6 lb/h to kg/s 7 lb/h to kg/s 8 lb/h to kg/s

Pound/Hour to Kilogram/Second Conversion Table

Pound/Hour (lb/h)	Kilogram/Second (kg/s)
0.5	6.299894e-5
1	0.000126
2	0.000252
5	0.00063
10	0.00126
15	0.00189
20	0.00252
25	0.00315
50	0.0063
100	0.0126
250	0.031499
500	0.062999
1000	0.125998

Kilogram/Second to Pound/Hour Conversion Table

Kilogram/Second (kg/s)	Pound/Hour (lb/h)
0.5	3,968.320718
1	7,936.641436
2	15,873.282872
5	39,683.207179
10	79,366.414359
15	119,049.621538
20	158,732.828717
25	198,416.035896
50	396,832.071793
100	793,664.143586
250	1,984,160.358964
500	3,968,320.717928
1000	7,936,641.435856

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Pound/Hour (lb/h)

Mass Flow Rate

Exact conversion

Derived quantity: a defined mass divided by a defined time interval (kg/s), exact via the kilogram and the international pound.

Source: ISO 80000, Quantities and units (all parts)

International Organization for Standardization · Reviewed 2026-07-01

Kilogram/Second (kg/s)

Mass Flow Rate

Exact conversion

Derived quantity: a defined mass divided by a defined time interval (kg/s), exact via the kilogram and the international pound.

Source: ISO 80000, Quantities and units (all parts)

International Organization for Standardization · Reviewed 2026-07-01

How to Convert Pound/Hour to Kilogram/Second

To convert from Pound/Hour (lb/h) to Kilogram/Second (kg/s), multiply the value by 0.0001259979.

Formula: kg/s = lb/h × 0.0001259979

Reverse: lb/h = kg/s × 7,936.641435856

Step-by-Step Example

Start with your value in Pound/Hour. For example: 5 lb/h
Multiply by the conversion factor: 5 x 0.0001259979
The result is: 0.00063 kg/s

About Pound/Hour

The pound/hour (lb/h) is a unit of mass flow rate. One pound/hour equals 0.0001259978806 base units. UnitConvertLab converts it against every other mass flow rate unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: mass flow rate calculations, engineering and science, education.

About Kilogram/Second

The kilogram/second (kg/s) is a unit of mass flow rate. One kilogram/second equals 1 base unit. UnitConvertLab converts it against every other mass flow rate unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: mass flow rate calculations, engineering and science, education.

Frequently Asked Questions

How many Kilogram/Second are in 1 Pound/Hour?

There are exactly 0.0001259979 Kilogram/Second in 1 Pound/Hour. This means the conversion factor from Pound/Hour to Kilogram/Second is 0.0001259979.

What is the formula to convert Pound/Hour to Kilogram/Second?

The formula to convert Pound/Hour to Kilogram/Second is: kg/s = lb/h × 0.0001259979. For example, to convert 10 Pound/Hour to Kilogram/Second, you would multiply 10 by 0.0001259979.

What is a Pound/Hour?