Popular mass flow rate conversions
- Kilograms per second to kilograms per hour1 kg/s = 3,600 kg/h
- Kilograms per second to pounds per hour1 kg/s = 7,936.64 lb/h
- Kilograms per second to tonnes per hour1 kg/s = 3.6 t/h
- Kilograms per hour to kilograms per second1 kg/h = 0.000277778 kg/s
- Kilograms per hour to pounds per hour1 kg/h = 2.20462 lb/h
- Kilograms per hour to tonnes per hour1 kg/h = 0.001 t/h
- Pounds per hour to kilograms per second1 lb/h = 0.000125998 kg/s
- Pounds per hour to kilograms per hour1 lb/h = 0.453592 kg/h
- Pounds per hour to tonnes per hour1 lb/h = 0.000453592 t/h
- Tonnes per hour to kilograms per second1 t/h = 0.277778 kg/s
- Tonnes per hour to kilograms per hour1 t/h = 1,000 kg/h
- Tonnes per hour to pounds per hour1 t/h = 2,204.62 lb/h
About mass flow rate units
Mass flow rate is mass passing a point per unit time. It is preferred over volumetric flow for gases and steam because it does not change with pressure or temperature.
Mass Flow Rate unit reference
| Unit | Symbol | Value in kg/s | System |
|---|---|---|---|
| Kilogram per second | kg/s | 1 kg/s | SI |
| Gram per second | g/s | 0.001 kg/s | SI |
| Kilogram per minute | kg/min | 0.016666667 kg/s | Metric |
| Kilogram per hour | kg/h | 0.00027777778 kg/s | Metric |
| Tonne per hour | t/h | 0.27777778 kg/s | Metric |
| Tonne per day | t/d | 0.011574074 kg/s | Metric |
| Pound per second | lb/s | 0.45359237 kg/s | US customary |
| Pound per minute | lb/min | 0.0075598728 kg/s | US customary |
| Pound per hour | lb/h | 0.00012599788 kg/s | US customary |
| Short ton per hour | ton/h | 0.25199576 kg/s | US customary |
Frequently asked questions
What is the SI unit of mass flow rate?
This converter uses the kilogram per second (kg/s) as its reference unit; every other unit is defined relative to it.
How many mass flow rate units can I convert?
10 units are supported here, across SI, Metric, US customary systems. Every pair can be converted in both directions.
Does this mass flow rate converter work offline?
Yes. Once the page has loaded, every calculation runs locally in your browser — nothing is sent to a server.