Frequently Asked Questions
How many liters are in a gallon?
A US gallon equals approximately 3.785 liters, while an Imperial gallon equals approximately 4.546 liters. Be aware of which gallon type you are using.
How many milliliters are in a cup?
A US cup equals approximately 236.6 mL. A metric cup (used in Australia) equals exactly 250 mL.
What is the relationship between cubic meters and liters?
One cubic meter (m³) equals exactly 1,000 liters (L). One liter equals one cubic decimeter (dm³).
2026 international standards