Density to Mass Calculator
Enter density (g/mL) and volume (mL) to instantly calculate mass. Perfect for lab work, cooking, and engineering calculations.
See Mass Build Up
Watch how density and volume combine to produce mass
How to Calculate Mass from Density
If you know a substance's density and the volume you have, you can find the total mass by simple multiplication. This is the reverse of the density formula.
The Formula
Step-by-Step Example
Finding the mass of 250 mL of honey (density 1.420 g/mL):
- Identify the density: 1.420 g/mL
- Identify the volume: 250 mL
- Multiply: 1.420 × 250 = 355 g
So 250 mL of honey has a mass of 355 grams (355,000 mg).
When Is This Useful?
- Lab work — Calculate reagent mass from known density and measured volume.
- Cooking — Convert volume recipes to weight-based ones for accuracy.
- Pharmacy — Determine drug mass from liquid medication volume.
- Engineering — Calculate material weight for structural analysis.
Conversion Tables
Quick reference tables for common mL to mg conversions by substance.
Water
Density: 1.000 g/mL| mL | mg |
|---|---|
| 1 mL | 1,000 mg |
| 5 mL | 5,000 mg |
| 10 mL | 10,000 mg |
| 25 mL | 25,000 mg |
| 50 mL | 50,000 mg |
| 100 mL | 100,000 mg |
| 250 mL | 250,000 mg |
| 500 mL | 500,000 mg |
Milk (whole)
Density: 1.030 g/mL| mL | mg |
|---|---|
| 1 mL | 1,030 mg |
| 5 mL | 5,150 mg |
| 10 mL | 10,300 mg |
| 25 mL | 25,750 mg |
| 50 mL | 51,500 mg |
| 100 mL | 103,000 mg |
| 250 mL | 257,500 mg |
| 500 mL | 515,000 mg |
Honey
Density: 1.420 g/mL| mL | mg |
|---|---|
| 1 mL | 1,420 mg |
| 5 mL | 7,100 mg |
| 10 mL | 14,200 mg |
| 25 mL | 35,500 mg |
| 50 mL | 71,000 mg |
| 100 mL | 142,000 mg |
| 250 mL | 355,000 mg |
| 500 mL | 710,000 mg |
Olive Oil
Density: 0.918 g/mL| mL | mg |
|---|---|
| 1 mL | 918 mg |
| 5 mL | 4,590 mg |
| 10 mL | 9,180 mg |
| 25 mL | 22,950 mg |
| 50 mL | 45,900 mg |
| 100 mL | 91,800 mg |
| 250 mL | 229,500 mg |
| 500 mL | 459,000 mg |
Flour
Density: 0.593 g/mL| mL | mg |
|---|---|
| 1 mL | 593 mg |
| 5 mL | 2,965 mg |
| 10 mL | 5,930 mg |
| 25 mL | 14,825 mg |
| 50 mL | 29,650 mg |
| 100 mL | 59,300 mg |
| 250 mL | 148,250 mg |
| 500 mL | 296,500 mg |
Sugar
Density: 0.845 g/mL| mL | mg |
|---|---|
| 1 mL | 845 mg |
| 5 mL | 4,225 mg |
| 10 mL | 8,450 mg |
| 25 mL | 21,125 mg |
| 50 mL | 42,250 mg |
| 100 mL | 84,500 mg |
| 250 mL | 211,250 mg |
| 500 mL | 422,500 mg |
Alcohol (Ethanol)
Density: 0.789 g/mL| mL | mg |
|---|---|
| 1 mL | 789 mg |
| 5 mL | 3,945 mg |
| 10 mL | 7,890 mg |
| 25 mL | 19,725 mg |
| 50 mL | 39,450 mg |
| 100 mL | 78,900 mg |
| 250 mL | 197,250 mg |
| 500 mL | 394,500 mg |
Coconut Oil
Density: 0.880 g/mL| mL | mg |
|---|---|
| 1 mL | 880 mg |
| 5 mL | 4,400 mg |
| 10 mL | 8,800 mg |
| 25 mL | 22,000 mg |
| 50 mL | 44,000 mg |
| 100 mL | 88,000 mg |
| 250 mL | 220,000 mg |
| 500 mL | 440,000 mg |
Maple Syrup
Density: 1.330 g/mL| mL | mg |
|---|---|
| 1 mL | 1,330 mg |
| 5 mL | 6,650 mg |
| 10 mL | 13,300 mg |
| 25 mL | 33,250 mg |
| 50 mL | 66,500 mg |
| 100 mL | 133,000 mg |
| 250 mL | 332,500 mg |
| 500 mL | 665,000 mg |
Mercury
Density: 13.534 g/mL| mL | mg |
|---|---|
| 1 mL | 13,534 mg |
| 5 mL | 67,670 mg |
| 10 mL | 135,340 mg |
| 25 mL | 338,350 mg |
| 50 mL | 676,700 mg |
| 100 mL | 1,353,400 mg |
| 250 mL | 3,383,500 mg |
| 500 mL | 6,767,000 mg |
Conversion Tools
Choose the right converter for your needs.
mL to mg Converter
Convert milliliters to milligrams using substance density. Fast and accurate.
mg to mL Converter
Convert milligrams to milliliters. Find volume from mass with density.
mL to Grams Converter
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Convert milliliters to kilograms. Ideal for large-volume industrial conversions.
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Convert milliliters to pounds. Bridge metric volume to imperial weight instantly.
mL to Liters Converter
Convert milliliters to liters. Simple volume unit conversion — no density needed.
Volume to Mass Converter
Convert volume (mL) to mass (mg) using density. Essential for lab and kitchen.
Mass to Volume Converter
Convert mass (mg) to volume (mL) using density. Find how much space your substance takes.
Density Calculator
Calculate density from mass and volume. The key to all mass-volume conversions.
Volume to Density
Find density when you know volume and mass. Identify unknown substances.
Density to Volume
Calculate volume from density and mass. Find container size needed.
Mass to Density Converter
Calculate density from mass and volume. Determine substance identity from measurements.
Density to Mass Converter
Calculate mass from density and volume. Find the weight of any liquid instantly.
mL to Ounces Converter
Convert milliliters to fluid ounces. Bridge metric and imperial volume units.
Liquid Density Lookup
Search density values for 100+ common liquids. Reference tool for conversions.
Normality Calculator
Calculate normality (N) from molarity, equivalent weight, and volume for chemistry.
Density to Mass FAQ
Common questions about calculating mass from density.
Multiply density by volume: Mass = Density × Volume. For example, 1.42 g/mL × 100 mL = 142 grams.
Divide by 1,000 to convert kg/m³ to g/mL. For example, water's density of 1,000 kg/m³ equals 1.000 g/mL. Then use the calculator normally.
No. 100 mL of water weighs 100 g, but 100 mL of honey weighs about 142 g and 100 mL of ethanol weighs about 79 g. The difference is entirely due to density.
Yes. This calculator shows results in both grams and milligrams automatically. To convert manually, multiply grams by 1,000 to get milligrams.
Use our Liquid Density Lookup Tool to search and browse density values for 50+ common liquids, or check the conversion table below.