Pound/Hour to Gram/Second Converter

Mass Flow Rate Converter

9 units available

Decimals:

From

To

0.125998

1 lb/h = 0.125998 g/s

Formula:

g/s = lb/h × 0.1259978806

With your value: 1 lb/h = 0.12599788 g/s

Other Pound/Hour to Gram/Second conversions

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

Pound/Hour to Gram/Second Conversion Table

Pound/Hour (lb/h)	Gram/Second (g/s)
0.5	0.062999
1	0.125998
2	0.251996
5	0.629989
10	1.259979
15	1.889968
20	2.519958
25	3.149947
50	6.299894
100	12.599788
250	31.49947
500	62.99894
1000	125.997881

Gram/Second to Pound/Hour Conversion Table

Gram/Second (g/s)	Pound/Hour (lb/h)
0.5	3.968321
1	7.936641
2	15.873283
5	39.683207
10	79.366414
15	119.049622
20	158.732829
25	198.416036
50	396.832072
100	793.664144
250	1,984.160359
500	3,968.320718
1000	7,936.641436

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

Gram/Second (g/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 Gram/Second

To convert from Pound/Hour (lb/h) to Gram/Second (g/s), multiply the value by 0.1259978806.

Formula: g/s = lb/h × 0.1259978806

Reverse: lb/h = g/s × 7.9366414359

Step-by-Step Example

Start with your value in Pound/Hour. For example: 5 lb/h
Multiply by the conversion factor: 5 x 0.1259978806
The result is: 0.629989 g/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 Gram/Second

The gram/second (g/s) is a unit of mass flow rate. One gram/second equals 0.001 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.

Frequently Asked Questions

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

There are exactly 0.1259978806 Gram/Second in 1 Pound/Hour. This means the conversion factor from Pound/Hour to Gram/Second is 0.1259978806.

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

The formula to convert Pound/Hour to Gram/Second is: g/s = lb/h × 0.1259978806. For example, to convert 10 Pound/Hour to Gram/Second, you would multiply 10 by 0.1259978806.

What is a Pound/Hour?