Cheat Sheets
Updated March 2026
🧪Volume Conversion Reference Table
Quick-reference volume conversion covering metric and US/UK imperial units.
⚡Quick Reference
1 cup = 236.6 mL = 8 fl oz | 1 L = 4.227 cups | 1 gallon = 3.785 L = 16 cups | 1 pint = 2 cups | 1 quart = 4 cups
Volume Unit Conversions
| Unit | mL | L | Cups (US) | Fl Oz (US) | Gallons |
|---|---|---|---|---|---|
| 1 mL | 1 | 0.001 | 0.00423 | 0.0338 | 0.000264 |
| 1 L | 1,000 | 1 | 4.227 | 33.814 | 0.2642 |
| 1 cup (US) | 236.6 | 0.2366 | 1 | 8 | 0.0625 |
| 1 fl oz (US) | 29.57 | 0.02957 | 0.125 | 1 | 0.00781 |
| 1 pint (US) | 473.2 | 0.4732 | 2 | 16 | 0.125 |
| 1 quart (US) | 946.4 | 0.9464 | 4 | 32 | 0.25 |
| 1 gallon (US) | 3,785 | 3.785 | 16 | 128 | 1 |
US vs UK (Imperial) Measurements
| Measurement | US | UK (Imperial) |
|---|---|---|
| 1 cup | 236.6 mL | 284.1 mL |
| 1 fl oz | 29.57 mL | 28.41 mL |
| 1 pint | 473.2 mL | 568.3 mL |
| 1 quart | 946.4 mL | 1,137 mL |
| 1 gallon | 3,785 mL | 4,546 mL |
Note: UK imperial gallon is ~20% larger than US gallon.
Frequently Asked Questions
How many mL in a cup?
A US cup is 236.6 mL (often rounded to 240 mL). A metric cup is exactly 250 mL.
What is the difference between US and UK measurements?
UK imperial measurements are larger. A UK gallon is 4,546 mL vs US 3,785 mL - about 20% bigger.
How many liters in a gallon?
1 US gallon = 3.785 liters. 1 UK gallon = 4.546 liters.
How many cups in a liter?
Approximately 4.227 US cups or exactly 4 metric cups (250 mL each).