AI Unit Converters
v1.0

Gallon (US) to Liter Converter

1 Gallon (US) is equal to 3.785412Liters (L). To convert gallon (us)s to liters, multiply the value by 3.785412 or use the interactive formula breakdown and reference tables below.

⇄

Volume Converter

Formula: --
Advertisement
Sponsored Content Space
∑

Step-by-Step Mathematical Derivation

Verified SI Standard
➡️ Convert Gallon (US) to Liter
Value in L = Value in gal × 3.785412

To convert any quantity from Gallon (US) to Liter, multiply the quantity by the constant conversion factor 3.785412.

⬅️ Convert Liter to Gallon (US) (Inverse)
Value in gal = Value in L × 0.2641721

To reverse the operation, multiply your Liter figure by 0.2641721 (or divide by 3.785412).

🔢 Step-by-Step Calculation Procedure:
  1. Identify the starting value in Gallon (US) (gal).
  2. Apply the exact linear conversion factor: 1 gal = 3.785412 L.
  3. Multiply the input value by 3.785412 to obtain the exact measurement in Liter (L).
  4. Verify precision against standard BIPM / NIST SP 811 statutory guidelines.
⚡

All-Units Instant Matrix

Live Computed
Liter --
L
Milliliter --
mL
Cubic Meter --
m³
Gallon (US) --
gal
Gallon (Imperial) --
imp gal
Quart (US) --
qt
Pint (US) --
pt
Cup (US Customary) --
cup
Fluid Ounce (US) --
fl oz
Tablespoon (US) --
tbsp
Teaspoon (US) --
tsp
Cubic Foot --
ft³
Cubic Inch --
in³
🖨️

Printable Reference Cheat Sheet

Generate clean offline reference PDF tables for Volume & Liquid

📦 Embed this Converter Widget on Your Website Free Web Component

Copy and paste this snippet directly into your HTML, WordPress, or documentation site:

🎓

Academic & Research Citation Exporter

Cite this mathematical formula and conversion factor in research papers and wikis

BibTeX / APA / IEEE 
@misc{ai_unit_converter_gallon_(us)_to_liter,
  author       = {AI Unit Converters Standards Board},
  title        = {Exact Gallon (US) to Liter Conversion Factor and Mathematical Derivation},
  year         = {2026},
  howpublished = {\url{https://aiunitconverters.com/volume/gal_us-to-l}},
  note         = {Derived from NIST Special Publication 811 and BIPM SI Brochure}
}

📊Gallon (US) to Liter Conversion Tables

Gallon (US)s (gal)Liters (L)
1gal3.7854L
2gal7.5708L
5gal18.9271L
10gal37.8541L
15gal56.7812L
20gal75.7082L
25gal94.6353L
50gal189.2706L
75gal283.9059L
100gal378.5412L
250gal946.3529L
500gal1,892.7059L
1000gal3,785.4118L
5000gal18,927.0589L
10000gal37,854.1178L
Liters (L)Gallon (US)s (gal)
1L0.2642gal
2L0.5283gal
5L1.3209gal
10L2.6417gal
15L3.9626gal
20L5.2834gal
25L6.6043gal
50L13.2086gal
75L19.8129gal
100L26.4172gal
250L66.043gal
500L132.086gal
1000L264.1721gal
5000L1,320.8603gal
10000L2,641.7205gal
Advertisement
Sponsored Content Space

❓ Frequently Asked Questions: Gallon (US) to Liter

How do you convert Gallon (US)s to Liters?▼

1 Gallon (US) is equal to 3.785412 Liters. Multiply your input value in Gallon (US)s by 3.785412 to obtain the exact equivalent in Liters.

How many Liters are in 1 Gallon (US)?▼

There are exactly 3.785412Liters (L) in 1 Gallon (US) (gal).

Are these calculations calibrated against official measurement standards?▼

Yes. All conversion factors on AI Unit Converters are calibrated and cross-verified against official BIPM SI Brochure (9th Edition), NIST SP 811, and ISO 80000 measurement metrology standards.

Related volume Converters

Gallon (US) to LiterGallon (US) to MilliliterGallon (US) to Cubic MeterGallon (US) to Gallon (Imperial)Gallon (US) to Quart (US)Gallon (US) to Pint (US)Gallon (US) to Cup (US Customary)Gallon (US) to Fluid Ounce (US)Gallon (US) to Tablespoon (US)Gallon (US) to Teaspoon (US)Gallon (US) to Cubic FootGallon (US) to Cubic Inch