Mass to Density Calculator
Enter the mass (g) and volume (mL) of any substance to instantly calculate its density. Density is the bridge between mass and volume.
See How Densities Compare
Your calculated density compared to common substances
Each bar shows density in g/mL — higher density means more mass per unit volume
How to Calculate Density from Mass
Density measures how much mass is packed into a given volume. By dividing mass by volume you get the density — a fundamental property used to identify substances and convert between mass and volume units.
The Formula
Step-by-Step Example
Finding the density of a sample — 142 g in 100 mL:
- Measure the mass: 142 g
- Measure the volume: 100 mL
- Divide: 142 ÷ 100 = 1.420 g/mL (≈ honey)
Why Calculate Density?
- Substance identification — Density helps identify unknown substances in the lab.
- Quality control — Manufacturing uses density to verify product consistency.
- Conversions — Density is required for any mass ↔ volume conversion.
- Buoyancy — Density determines whether objects float or sink.
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
Convert milliliters to grams using substance density. Perfect for cooking and lab work.
mL to Kilograms Converter
Convert milliliters to kilograms. Ideal for large-volume industrial conversions.
mL to Pounds Converter
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.
Mass to Density FAQ
Common questions about calculating density from mass.
Simply divide the mass by the volume: Density = Mass ÷ Volume. For example, if a liquid has a mass of 150 g and occupies 100 mL, its density is 150 ÷ 100 = 1.50 g/mL.
For density in g/mL, enter mass in grams and volume in milliliters. If you have kilograms and liters, the numerical value is the same since 1 kg/L = 1 g/mL.
Yes. The formula Density = Mass ÷ Volume applies universally to solids, liquids, and gases. For solids you can measure volume by water displacement; for gases you'll need a sealed container of known volume.
Yes. Most substances expand when heated, increasing volume while mass stays constant — which lowers density. For precise work, always note the temperature at which you measured.
Specific gravity is a dimensionless ratio that compares a substance's density to water's density. Because water's density is 1.000 g/mL, the numerical values are equal — but specific gravity has no units.