Volume Converter
Free, locally-processed volume converter for fast and secure results.
Runs locally in your browser
Your inputs are processed locally in your browser and are not uploaded or stored by us.
Converts volume measurements safely between metric and imperial systems.
How to use the Volume Converter
- Enter the volume value.
- Select the starting unit.
- Select the target unit.
- Click Calculate.
Volume conversion methodology
1 US gallon = 3.785411784 L
1 Imperial gallon = 4.54609 L
1 mL = 1 cm³
1000 L = 1 m³
The calculator uses the cubic meter as the canonical base unit.
Volume conversion example
Value1
From UnitUS gallon
To UnitLiter
1 US gallon × 3.785411784
Result: 3.785411784 L
Notes
- US and Imperial gallons are treated as separate explicit units to prevent ambiguity. The generic term "gallon" is avoided.
- The calculator uses documented conversion constants without rounding intermediate calculation values. Display formatting may shorten the visible result.
- Negative volume values are rejected as invalid.