Volume Converter (Liters, Gallons, Fl Oz, Cups & Cubic Units)
Convert fluid capacity and solid volume across liters, gallons, fluid ounces, cups, and cubic units.
TL;DR: Volume Converter calculates fluid capacity and three-dimensional cubic volume across metric (mL, L, m³) and US customary / UK imperial units (fl oz, cups, pints, quarts, gallons, ft³).
Convert to All Volume Converter Units at Once
Click any card to select targetMathematical Formula
Reference Conversion Table
| Liter (L) | US Gallon (gal (US)) |
|---|---|
| 1 L | 0.264172 gal (US) |
| 2 L | 0.528344 gal (US) |
| 5 L | 1.32086 gal (US) |
| 10 L | 2.641721 gal (US) |
| 20 L | 5.283441 gal (US) |
| 50 L | 13.208603 gal (US) |
| 100 L | 26.417205 gal (US) |
| 250 L | 66.043013 gal (US) |
| 500 L | 132.086026 gal (US) |
| 1,000 L | 264.172052 gal (US) |
How Many Liters Are in a US Liquid Gallon?
There are exactly 3.785411784 liters in 1 US liquid gallon (1 US gal = 128 fl oz = 3.78541 L). In contrast, 1 UK Imperial gallon equals 4.54609 liters (160 UK fl oz). To convert liters to US gallons, multiply liters by 0.264172.
How to Use the Volume Converter
Our Volume Converter performs high-precision mathematical operations directly in your browser with zero latency and complete client-side privacy.
- Input the volume numerical value.
- Select your source volume or liquid capacity unit (e.g., Liters, Gallons, Milliliters, Fluid Ounces).
- Select your desired destination unit.
- Review the converted liquid and cubic volume values.
- Export results for chemical solutions, cooking recipes, fuel consumption, or cargo shipping.
Mathematical Formula & Equations
Converts liquid capacity and geometric volume across Liters, Gallons, Fluid Ounces, Cups, Pints, Quarts, and Cubic Meters.
Calculation Example
1 US Gallon = 3.78541 Liters = 128 Fluid Ounces.
100% Client-Side Privacy & Data Security
All calculations, amortization schedules, variables, and sensitive numerical datasets execute 100% locally in your web browser memory. Your financial, medical, and personal values are never transmitted, logged, or uploaded to any external server.
Frequently Asked Questions
- There are exactly 1,000 milliliters (mL) in 1 liter (1 L = 1,000 mL = 1,000 cm³).
- A US liquid gallon is 3.78541 liters (128 US fl oz), whereas a UK Imperial gallon is 4.54609 liters (160 UK fl oz), making the Imperial gallon approximately 20% larger.
- There are 8 fluid ounces in 1 US customary cup (1 cup = 8 fl oz = 16 tablespoons = 236.588 mL).
- There are approximately 35.3147 cubic feet in 1 cubic meter (1 m³ = 1,000 liters = 35.3147 ft³).
- Multiply cubic inches by 0.0163871: `Liters = Cubic Inches × 0.0163871`. For example, 100 cubic inches equals 1.63871 liters.
- One standard US cup equals exactly 8 US fluid ounces (approx. 236.588 milliliters).
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