Volume Converter
Litres, gallons, pints, cups and cubic units.
Enter your values
Enter the volume you are working with.
Choose one of: Millilitres, Litres, US gallons, Imperial gallons, US pints, US fluid ounces, Cubic feet.
Results update instantly as you type — no submit needed. Your values are remembered on this device, and the shareable link reopens the calculator with exactly these numbers.
- Litres
- 18.92706
- US gallons
- 5
- Imperial gallons
- 4.16337
- US fluid ounces
- 640.001
- Cubic feet
- 0.6684
| Unit | Value |
|---|---|
| ml | 18927.05892 |
| l | 18.92706 |
| galus | 5 |
| galuk | 4.16337 |
| ptus | 40.00004 |
| floz | 640.00064 |
| cuft | 0.6684 |
Quick answer
A US gallon is 3.785 litres while an imperial gallon is 4.546 litres — they are not interchangeable.
At a glance
| What it does | Litres, gallons, pints, cups and cubic units. |
|---|---|
| Category | Conversions |
| Inputs needed | Volume, From |
| Main output | Litres |
| Cost | Free — no sign-up, no download |
How to use the Volume Converter
- 1Enter the volume.
- 2Select the unit.
- 3Read every equivalent.
Inputs explained
- Volume
- Enter the volume you are working with.
- From
- Choose one of: Millilitres, Litres, US gallons, Imperial gallons, US pints, US fluid ounces, Cubic feet.
Worked example
Using the values the calculator loads with:
Inputs
- Volume5
- FromUS gallons
Results
- Litres18.92706
- US gallons5
- Imperial gallons4.16337
- US fluid ounces640.001
- Cubic feet0.6684
Frequently asked questions
Why are US and UK gallons different?
The US kept the older wine gallon while Britain redefined its gallon in 1824 as the volume of ten pounds of water.
How many cups in a litre?
4.23 US cups, or exactly 4 metric cups of 250 ml.
What do I need to enter into the Volume Converter?
Just 2 values: volume, from. Every field starts with a realistic example, so you can change one number at a time and watch the result update instantly.
How does the Volume Converter work out the answer?
A US gallon is 3.785 litres while an imperial gallon is 4.546 litres — they are not interchangeable. The working is shown step by step so you can verify the result by hand.
Is the Volume Converter free, and do I need an account?
It is completely free with no sign-up, no download and no usage limit. Everything is calculated in your browser, so the numbers you type never leave your device.
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.