Grams to Liters Converter (g to L)

Convert grams to liters (g to L) for any substance. Select from 20 common ingredients or enter a custom density. See results in liters, US gallons, quarts, and milliliters.

⚖️ GRAMS

🏷️ SUBSTANCE / INGREDIENT

VOLUME IN LITERS

0.5 L

US GALLONS

0.1321 gal

US QUARTS

0.5283 qt

MILLILITERS

500.00 mL

FORMULA

500 ÷ (1×1000)

Quick Reference — Water

Grams	Liters	Milliliters	US Gallons
10 g	0.0100 L	10.0 mL	0.0026 gal
25 g	0.0250 L	25.0 mL	0.0066 gal
50 g	0.0500 L	50.0 mL	0.0132 gal
100 g	0.1000 L	100.0 mL	0.0264 gal
200 g	0.2000 L	200.0 mL	0.0528 gal
250 g	0.2500 L	250.0 mL	0.0660 gal
500 g	0.5000 L	500.0 mL	0.1321 gal
750 g	0.7500 L	750.0 mL	0.1981 gal
1000 g	1.0000 L	1000.0 mL	0.2642 gal
2000 g	2.0000 L	2000.0 mL	0.5283 gal
3000 g	3.0000 L	3000.0 mL	0.7925 gal
5000 g	5.0000 L	5000.0 mL	1.3209 gal

How to Convert Grams to Liters

Grams measure weight, while liters measure volume. To convert between them, you need the substance's density:

liters = grams ÷ (density in g/mL × 1,000)

Example: 500 grams of water (density 1.00 g/mL)
= 500 ÷ (1.00 × 1000) = 0.5 liters (about 2.1 cups)

Example: 500 grams of flour (density 0.53 g/mL)
= 500 ÷ (0.53 × 1000) = 0.943 liters (about 4 cups)

Example: 500 grams of olive oil (density 0.91 g/mL)
= 500 ÷ (0.91 × 1000) = 0.549 liters

Notice how 500g of flour takes up almost twice as much space as 500g of water — because flour is much less dense.

Grams to Liters — By Substance

How much volume does each substance occupy per weight?

Substance	Density (g/mL)	100g =	500g =	1,000g =
Water	1.00	0.100 L	0.500 L	1.000 L
Whole Milk	1.03	0.097 L	0.485 L	0.971 L
Olive Oil	0.91	0.110 L	0.549 L	1.099 L
Honey	1.43	0.070 L	0.350 L	0.699 L
All-Purpose Flour	0.53	0.189 L	0.943 L	1.887 L
Granulated Sugar	0.85	0.118 L	0.588 L	1.176 L
Rice (uncooked)	0.82	0.122 L	0.610 L	1.220 L
Salt (table)	1.20	0.083 L	0.417 L	0.833 L
Butter	0.91	0.110 L	0.549 L	1.099 L
Heavy Cream	1.01	0.099 L	0.495 L	0.990 L

Why the Metric System Makes This Easy

The metric system was designed so that 1 gram of water = 1 milliliter = 1 cubic centimeter (at 4°C). This elegant relationship means:

1,000 grams (1 kg) of water = 1,000 mL = 1 liter
500 grams of water = 500 mL = 0.5 liters
250 grams of water = 250 mL = 0.25 liters

For any other substance, just divide by its density. The closer the density is to 1.0, the closer the grams-to-mL ratio is to 1:1.

US Volume Equivalents

Since Americans commonly use gallons, quarts, and cups:

Liters	US Gallons	US Quarts	US Cups
0.1 L (100 mL)	0.026 gal	0.106 qt	0.423 cups
0.25 L (250 mL)	0.066 gal	0.264 qt	1.057 cups
0.5 L (500 mL)	0.132 gal	0.528 qt	2.113 cups
1.0 L	0.264 gal	1.057 qt	4.227 cups
2.0 L	0.528 gal	2.113 qt	8.454 cups
3.785 L	1.000 gal	4.000 qt	16.000 cups

What Is a Gram?

A gram (g) is a metric unit of mass equal to one thousandth of a kilogram (1/1,000 kg), or approximately 0.035 ounces. In the metric system, grams are the standard unit for measuring recipe ingredients and food labels. One gram of water occupies exactly 1 milliliter at 4°C — this was a deliberate design choice in the metric system.

What Is a Liter?

A liter (L) is a metric unit of volume equal to 1,000 milliliters, 1,000 cubic centimeters, or approximately 0.264 US gallons. For Americans: 1 liter is slightly more than 1 US quart (1 L ≈ 1.057 qt). A 2-liter soda bottle holds about half a gallon.

When to Convert Grams to Liters

Cooking and recipes: A European recipe lists 500g of flour — using this converter you'd find that's about 0.943 liters (≈ 4 US cups).
Shipping and packaging: You know a product weighs 2,000g but need to pick a container by volume.
Chemistry: Dissolving a known mass of solute into a solution requires knowing the volume relationship.
Beverages: A recipe yields 1,500g of juice. At a density near water, that's about 1.5 liters (~0.4 gallons).
Gardening: Soil and fertilizer are often measured by weight but applied by volume.