How do I convert mL to gal?

Use the formula shown above or enter a value to see mL converted to gal instantly.

What is the formula for mL to gal?

The converter calculates gal by applying the category-specific conversion factor for Volume.

When should I use mL vs gal?

mL and gal are both part of the Volume category; pick the unit that matches your measurement context (e.g., scale, region, or industry standard).

Volume Converter & Liquid Reference

Convert mL to gal

Use the live converter below to translate between Milliliter (mL) and Gallon (US) (gal). Scroll further for quick examples, formula tips, and related units.

Formula insight: Most unit conversions use a simple multiplication or division by a conversion factor. The calculator shows the exact formula used.

Convert

mL → gal

Milliliter

Gallon (US)

0.0003

gal

Rounded result (4 decimals max)

Formula

1 mL = 0.0003 gal

Conversion sourcesTap or click to view references

The International System of Units (SI) — NIST Special Publication 330
National Institute of Standards and Technology (NIST). The SI Brochure (SP 330) is the definitive English edition of the BIPM SI tables. NIST’s edition lists the official constants and conversion factors tying inch-pound units to SI, which SwapUnits applies for length, mass, temperature, pressure, volume, and related conversions. See /standards/nist-si-tenfold for the complete decimal multiple/submultiple table. View source · View SI table

Results update as you type. Swap the direction to convert back from gal to mL.

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mL to gal quick table

Multiply any row by the same factor to scale results. Use the converter above to enter exact values with your own units.

Milliliter (mL)	Gallon (US) (gal)
0.25 mL	0.0001 gal
0.5 mL	0.0001 gal
1 mL	0.0003 gal
2 mL	0.0005 gal
5 mL	0.0013 gal
10 mL	0.0026 gal
25 mL	0.0066 gal
100 mL	0.0264 gal

gal back to mL

Keep the reciprocal handy when double-checking calculations or undoing a conversion.

Gallon (US) (gal)	Milliliter (mL)
0.25 gal	946.3529 mL
0.5 gal	1,892.7059 mL
1 gal	3,785.4118 mL
2 gal	7,570.8236 mL
5 gal	18,927.0589 mL
10 gal	37,854.1178 mL
25 gal	94,635.2946 mL
100 gal	378,541.1784 mL

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