Reference sheet

Flow rate (mass) conversion chart

kg/s, kg/h, lb/h, t/h. Factors are given to 7 significant figures; open the converter for full precision and the worked solution.

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Conversion factors to kilograms per second (kg/s)
Unit	In kg/s	1 kg/s in unit
kilogram per second (kg/s)	1 kg/s	1 kg/s
kilogram per minute (kg/min)	0.01666667 kg/s	60 kg/min
kilogram per hour (kg/h)	0.0002777778 kg/s	3,600 kg/h
gram per second (g/s)	0.001 kg/s	1,000 g/s
tonne per hour (t/h)	0.2777778 kg/s	3.6 t/h
pound per second (lb/s)	0.4535924 kg/s	2.204623 lb/s
pound per minute (lb/min)	0.007559873 kg/s	132.2774 lb/min
pound per hour (lb/h)	0.0001259979 kg/s	7,936.641 lb/h

lb/h → kg/h
lb/h	kg/h
0.1 lb/h	0.04535924 kg/h
0.5 lb/h	0.2267962 kg/h
1 lb/h	0.4535924 kg/h
2 lb/h	0.9071847 kg/h
5 lb/h	2.267962 kg/h
10 lb/h	4.535924 kg/h
20 lb/h	9.071847 kg/h
25 lb/h	11.33981 kg/h
50 lb/h	22.67962 kg/h
100 lb/h	45.35924 kg/h
250 lb/h	113.3981 kg/h
500 lb/h	226.7962 kg/h
1,000 lb/h	453.5924 kg/h

kg/h → lb/h
kg/h	lb/h
0.1 kg/h	0.2204623 lb/h
0.5 kg/h	1.102311 lb/h
1 kg/h	2.204623 lb/h
2 kg/h	4.409245 lb/h
5 kg/h	11.02311 lb/h
10 kg/h	22.04623 lb/h
20 kg/h	44.09245 lb/h
25 kg/h	55.11557 lb/h
50 kg/h	110.2311 lb/h
100 kg/h	220.4623 lb/h
250 kg/h	551.1557 lb/h
500 kg/h	1,102.311 lb/h
1,000 kg/h	2,204.623 lb/h

Formula: kg/h = lb/h × 0.45359237

Need another value? Use the lb/h to kg/h converter or the flow rate (mass) converter.

Unitglide · unitglide.app/reference/mass-flow-rate · Factors from NIST SP 811, NIST Handbook 44 and the BIPM SI Brochure (9th ed.). Values rounded to 7 significant figures unless exact.