Milliliters per Minute to Liters per Hour Converter
Common Conversions
| mL/min | L/h |
|---|---|
| 0.1 | 0.006 |
| 0.5 | 0.03 |
| 1 | 0.06 |
| 2 | 0.12 |
| 5 | 0.3 |
| 10 | 0.6 |
| 25 | 1.5 |
| 50 | 3 |
| 100 | 6 |
| 1000 | 60 |
Why this conversion matters in chemistry
HPLC mobile-phase budgeting is a worked example. A 0.5 mL/min isocratic C18 method runs at 0.03 L/hr, equivalently 180 L/year over 6000 instrument-hours. The figure sets the acetonitrile inventory forecast for the year — useful when global ACN supply tightens and forward purchases need to anticipate annual demand. The multiplier of 0.06 L/hr per mL/min decomposes into 60 min/hr divided by 1000 mL/L. In practice you reach for it when a per-minute pump setting needs to roll up into a per-hour mobile-phase consumption figure.
Formula
L/h = mL/min × 0.06
Worked Examples
16.667 mL/min = 1 L/h
The reverse anchor — about how fast a pump runs to consume 1 L per hour.
1 mL/min = 0.06 L/h
A typical analytical HPLC flow rate, expressed in process-side units.
100 mL/min = 6 L/h
A preparative-chromatography mobile-phase consumption rate.
Frequently Asked Questions
How do I convert mL/min to L/h?
Multiply by 0.06. The factor decomposes into 60 min/hr divided by 1000 mL/L. The relationship is exact through the SI definitions.
How much solvent does an HPLC use per hour?
At a typical 1 mL/min flow rate, an HPLC consumes 0.06 L/hr or about 60 mL/hr of mobile phase. An 8-hour run uses roughly 0.5 L of solvent.
Why convert to L/hr for process chemistry?
Process engineers budget reagent and solvent consumption in liters per hour or per batch. Converting bench-scale mL/min into L/hr is the routine step when planning material requirements for scale-up.