To convert liters per second to liters per hour, multiply by 3600. That factor is the whole relationship: both units measure volumetric flow, so the conversion is a proportion with no offset and no substance-specific constant.
Used for plumbing design and compressed air. The rating unit for dosing pumps, drip irrigation and small boilers.
Standard versus actual volume. Gas flow in CFM depends on pressure and temperature, which is why compressor ratings say SCFM and specify the reference conditions. Converting the number is exact; comparing two ratings measured at different conditions is not. Two tables follow: rounded steps for quick lookup, and a set of real reference quantities converted into liters per hour, which is usually more useful than the bare number.
The formula
liters per second- The amount you are converting, in liters per second
3600- The exact number of liters per hour in one liter per second
liters per hour- The converted result
How it works, step by step
- Enter the value in liters per second.
- It is multiplied by 3600, the exact factor between the two units.
- The answer is shown in liters per hour, with the reverse conversion beneath it.
- Check the reference table if you want a figure of comparable size.
Worked examples
A shower head: 0.16 L/s in liters per hour
At 0.16 L/s (a shower head), the same quantity in liters per hour is 0.16 × 3600 = 576 L/h. One liter per second is 3600 liters per hour, so the numbers grow as expected.
A bathroom tap: 0.1 L/s in liters per hour
A bathroom tap comes to about 0.1 L/s. Multiplying by the factor: 0.1 × 3600 = 360 L/h. Dividing the answer back by 3600 returns the figure you started with, which is the quickest way to check you have the factor the right way up.
How to read your score
Frequently asked questions
How many liters per hour are in one liter per second?
Exactly 3600. Every figure on this page is that one number multiplied by your input, so the only rounding is at the display step.
What is the formula to convert liters per second to liters per hour?
liters per hour = liters per second × 3600. Reversed, liters per second = liters per hour ÷ 3600, which is the same as multiplying by 0.000277777777778.
Which is the bigger unit, the liter per second or the liter per hour?
The liter per second. One liter per second equals 3600 liters per hour.
What does this quantity actually measure?
Both units measure volumetric flow. That is why a single factor is enough: there is no temperature offset and no material property involved, unlike conversions that cross between different quantities.
What is a liter per second?
Used for plumbing design and compressed air.
What is a liter per hour?
The rating unit for dosing pumps, drip irrigation and small boilers.
Why does my answer differ from another converter?
Almost always because the other tool rounded the factor before multiplying. This page keeps full double precision through the calculation and rounds only for display, and it prints the factor it used so you can see where any difference came from.
Liters Per Second to liters per hour reference tables
| Liters Per Second | Liters Per Hour |
|---|---|
| 0.5 L/s | 1800 L/h |
| 1 L/s | 3600 L/h |
| 2 L/s | 7200 L/h |
| 3 L/s | 10,800 L/h |
| 5 L/s | 18,000 L/h |
| 10 L/s | 36,000 L/h |
| 20 L/s | 72,000 L/h |
| 25 L/s | 90,000 L/h |
| 50 L/s | 180,000 L/h |
| 75 L/s | 270,000 L/h |
| 100 L/s | 360,000 L/h |
| 250 L/s | 900,000 L/h |
| 500 L/s | 1.8e+06 L/h |
| 1000 L/s | 3.6e+06 L/h |
| 5000 L/s | 1.8e+07 L/h |
Exact factor: 1 liter per second = 3600 liters per hour.
| Quantity | L/s | L/h |
|---|---|---|
| A dripping tap | 0.0001 L/s | 0.36 L/h |
| A bathroom tap | 0.1 L/s | 360 L/h |
| A shower head | 0.16 L/s | 576 L/h |
| A garden hose | 0.3 L/s | 1080 L/h |
| A fire hydrant | 60 L/s | 2.16e+05 L/h |
| The Thames at London | 6.5e+04 L/s | 2.34e+08 L/h |
Published reference values, converted with the same factor this page uses.