0.8 Liter to Grams Conversion Calculator

An 800 mL reusable water bottle is one of the most common sizes people carry around, sitting right between a standard 500 mL bottle and a full liter. 0.8 liters (800 mL) equals 800g of water, 824g of milk, or 1,136g of honey, and like every liters-to-grams conversion, the exact number depends entirely on the liquid.

Convert 0.8 L to Grams

Preset to 0.8 liters, pick a liquid to see its weight in grams.

Where 0.8 Liters Fits Into Daily Water Intake

General hydration guidance often puts adult daily water intake somewhere between 2 and 3 liters, which is also 2 to 3 kilograms of water by weight. Actual needs vary by person, climate, and activity level, and none of this is medical advice. An 800 mL bottle divides neatly into that range: filling it two to three times a day lands squarely within the commonly cited totals. That is part of why 800 mL has become such a popular bottle size. It holds enough to cut down on refill trips without being awkward to carry.

0.8 Liters to Grams: Full Chart (20 Liquids)

Liquid	Density	0.8 L in Grams
Water	1.0 g/mL	800 g
Milk	1.03 g/mL	824 g
Heavy Cream	1.0 g/mL	800 g
Half-and-Half	1.03 g/mL	824 g
Coffee	1.0 g/mL	800 g
Vinegar	1.01 g/mL	808 g
Soy Sauce	1.15 g/mL	920 g
Orange Juice	1.04 g/mL	832 g
Apple Juice	1.04 g/mL	832 g
Lemon Juice	1.03 g/mL	824 g
Vegetable Oil	0.92 g/mL	736 g
Olive Oil	0.91 g/mL	728 g
Canola Oil	0.92 g/mL	736 g
Coconut Oil	0.92 g/mL	736 g
Sunflower Oil	0.92 g/mL	736 g
Soybean Oil	0.92 g/mL	736 g
Honey	1.42 g/mL	1,136 g
Maple Syrup	1.32 g/mL	1,056 g
Corn Syrup	1.38 g/mL	1,104 g
Molasses	1.4 g/mL	1,120 g

Approximate values. Actual density can vary slightly by brand, temperature, and composition.

The Formula Behind the Chart

grams = liters x 1,000 x density (g/mL)

At 0.8 liters, that's 800 milliliters multiplied by whatever density applies to the liquid in question. Water's density of almost exactly 1 g/mL is why a full 800 mL bottle of water weighs almost exactly 800 grams, close enough that most people round it to "about 800 grams" without a second thought. The same multiplication covers any volume you need, which is all the main volume-to-weight calculator is doing behind the scenes.

What a Full 800 mL Bottle Weighs to Carry

An empty 800 mL bottle typically adds another 30 to 150 grams, depending on the material (plastic, steel, or glass). A full bottle of water therefore lands somewhere between 830 and 950 grams once the container is counted. That matters if you are trying to keep a backpack under a set weight limit, especially when the limit is written in pounds rather than grams.

Common Questions About 0.8 Liters

How many grams does an 800 mL water bottle weigh when full?

An 800 mL bottle filled with water weighs about 800 grams from the water alone, since water's density is close to 1 gram per milliliter. The container adds its own weight on top, so what you actually pick up is a little over 800 grams.

How many grams are in 0.8 liters of milk?

0.8 liters of milk weighs approximately 824 grams. Milk is slightly denser than water, at about 1.03 grams per milliliter, due to the fat and proteins it contains. Multiplying 800 milliliters by that density gives 824 grams. This small difference from water is consistent across most types of dairy milk, though plant-based alternatives can vary depending on their specific ingredients.

Why do some water bottles say 750 mL and others say 800 mL?

Bottle sizing isn't standardized globally, so manufacturers choose capacities based on design, market, or regional convention rather than a single fixed rule. A 750 mL bottle and an 800 mL bottle look nearly identical in size but hold a slightly different volume, which also means a slightly different weight when full. If precision matters, checking the exact capacity printed on the bottle is more reliable than estimating from its size.

How many grams is 800 mL of honey?

800 mL of honey weighs about 1,136 grams, noticeably more than 800 mL of water. Honey's density is around 1.42 grams per milliliter, well above water's 1 gram per milliliter, because honey is mostly concentrated sugar with very little water content. This is why honey feels much heavier than expected if you're used to estimating liquid weight based on water.