Quick Answer
20 L is exactly 5.2834 gal
How to Calculate
- Start with the value: 20 liters
- Apply the formula: gal = L × 0.264172
- Calculate: 20 → 5.2834
- Result: 20 L = 5.2834 gal
To convert liters to US gallons, multiply the liter value by 0.264172.
Multiplying by 0.264172 converts liters to gallons because one gallon equals exactly 3.785411784 liters.
Reference Table
| Liters (L) | Gallons (US) (gal) |
|---|---|
| 1 | 0.2642 |
| 2.5 | 0.6604 |
| 5 | 1.3209 |
| 10 | 2.6417 |
| 20 | 5.2834 |
| 30 | 7.9252 |
| 40 | 10.5669 |
| 50 | 13.2086 |
| 100 | 26.4172 |
| 200 | 52.8344 |
| 500 | 132.086 |
| 1000 | 264.172 |
About These Units
What is a liters?
A liter (L) is the standard metric unit for measuring liquid volume, equal to 1,000 mL or 1 cubic decimeter.
What is a gallons?
A US gallon (gal) is a unit of volume used primarily in the United States, equal to 128 fluid ounces or 3.785 liters.
Why This Conversion Matters
This conversion helps when buying US products, understanding American recipes, or comparing vehicle fuel tank capacities.
Common Use Cases
Fuel Comparison
Compare fuel tank sizes and prices when traveling from metric countries to the US.
Product Sizing
Understand US product sizes when buying paint, cleaning supplies, or beverages.
Pro Tips
💡 Divide by 4 for quick estimates
10 liters ÷ 4 = 2.5 gallons (actual: 2.64). This underestimates by about 5%.
💡 Remember: 1 gallon ≈ 4 liters
So roughly 1 liter ≈ ¼ gallon. Use this for quick mental math.
When You Need This Conversion
Cooking & recipes
Converting cups, tablespoons, and milliliters is essential when following recipes from different countries.
Fuel economy
Fuel tank capacity and consumption rates use gallons (US) or liters. Conversion helps compare vehicle efficiency.
Beverages
Drink sizes vary internationally. US uses fluid ounces while most countries use milliliters.
Medicine dosage
Liquid medications are often prescribed in milliliters but measured with teaspoons or tablespoons at home.
Frequently Asked Questions
How many gallons (us) is 20 liters?
20 liters equals 5.2834 gallons (us). This is calculated using the formula: gal = L × 0.264172.
What is the formula for converting liters to gallons (us)?
To convert liters to US gallons, multiply the liter value by 0.264172.
Is 20 liters exactly 5.2834 gallons (us)?
20 liters is approximately 5.2834 gallons (us). The precise value may have additional decimal places.
How many gallons are in a liter?
One liter equals approximately 0.264172 US gallons.
What is 10 liters in gallons?
10 liters equals approximately 2.64 US gallons.
Popular Liters to Gallons (US) Conversions
Related Converters
Last verified: March 2026. All conversion factors are based on internationally defined standards.