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3 Gallons to Liters

3 gallons equals 11.36 liters. Use the formula, worked example, and conversion table below to check the math.

3 gal = 11.36 L
gal × 3.785412 = L
Try: 2 gal to L 4 gal to L 8 gal to L
3 gal is also
3 gal = 11,356.24 mL 3 gal = 48 cup 3 gal = 384 fl oz 3 gal = 24 pt 3 gal = 12 qt 3 gal = 768 tbsp 3 gal = 2,304 tsp
gal
11.36 L

Step-by-Step Calculation

gal × 3.785412 = L
  1. Start with 3 gal
  2. Multiply by 3.785412: 3 × 3.785412 = 11.36
  3. Result: 3 gal = 11.36 L

This conversion factor (3.785412) is the same for every gallon to liter calculation.

Quick Mental Conversion

For a rough estimate, multiply gallons by 4. For example, 3 gal × 4 = 12 L. The exact answer is 11.36 L.

Gallon to Liter Conversion Table

Gallons (gal) Liters (L)
1 gal 3.79 L
2 gal 7.57 L
3 gal 11.36 L
5 gal 18.93 L
10 gal 37.85 L
15 gal 56.78 L
20 gal 75.71 L
25 gal 94.64 L
50 gal 189.27 L
75 gal 283.91 L
100 gal 378.54 L
250 gal 946.35 L
500 gal 1,892.71 L
1,000 gal 3,785.41 L
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Frequently Asked Questions

3 gallons equals 11.36 liters.
The formula is: gal × 3.785412 = L. See the gal to L formula page for worked examples.
Use the liters to gallons converter. The reverse formula is: L × 0.264172 = gal.
The calculator uses the full-precision conversion factor for accuracy. Table values and displayed results are rounded for readability.
The conversion formula (gal × 3.785412 = L) is based on internationally defined standards. Displayed results are rounded for readability, while the calculator uses the full-precision factor.
person Written by Sean Day verified Reviewed by UnitCompare update Last updated Mar 28, 2026