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⚖️ Density Converter

Convert density units, analyze material properties, and calculate buoyancy

Quick Density Conversions

1 g/cm³ = 1000 kg/m³
Water density at 4°C
1 lb/ft³ = 16.02 kg/m³
Imperial to metric
7.87 g/cm³ = 491 lb/ft³
Steel density
0.917 g/cm³ = 917 kg/m³
Ice density
19.3 g/cm³ = 1205 lb/ft³
Gold density
1.225 kg/m³ = 0.001225 g/cm³
Air density at sea level

Quick Specific Gravity Conversions

SG 1.0 = 10° API
Water reference
SG 0.87 = 31° API
Light crude oil
SG 1.05 = 12° Brix
Sugar solution
SG 1.04 = 10° Plato
Beer wort

Density Scale Visualization

20+ g/cm³ - Heavy Metals
10-20 g/cm³ - Lead, Mercury
5-10 g/cm³ - Iron, Copper
2-5 g/cm³ - Aluminum, Glass
1-2 g/cm³ - Plastics, Wood
0.5-1 g/cm³ - Oils, Ice
0.001 g/cm³ - Gases
Enter density value to see material comparison

Buoyancy Calculator

Enter object and fluid properties to check if it floats

Mass-Volume-Density Calculator

Enter any two values to calculate the third

Common Material Densities

🧊
Ice
0.92 g/cm³
Solid Water
🪵
Pine Wood
0.4-0.6 g/cm³
Organic
🔸
HDPE Plastic
0.93-0.97 g/cm³
Polymer
💧
Water
1.00 g/cm³
Reference
⚙️
Aluminum
2.70 g/cm³
Light Metal
🏗️
Concrete
2.3-2.5 g/cm³
Construction
🔩
Steel
7.85 g/cm³
Iron Alloy
🔶
Copper
8.96 g/cm³
Metal
⚫
Lead
11.34 g/cm³
Heavy Metal
🪙
Gold
19.32 g/cm³
Precious Metal

Common Liquid Densities

🍷
Ethanol
0.79 g/mL
🛢️
Vegetable Oil
0.87 g/mL
💧
Water
1.00 g/mL
🌊
Seawater
1.03 g/mL
🧴
Glycerin
1.26 g/mL
🌡️
Mercury
13.53 g/mL

Density Units Reference

Unit Symbol kg/m³ Equivalent g/cm³ Equivalent Common Use
Kilogram per cubic meter kg/m³ 1.0 0.001 SI base unit
Gram per cubic centimeter g/cm³ 1000 1.0 Laboratory, materials
Gram per milliliter g/mL 1000 1.0 Chemistry, medicine
Pound per cubic foot lb/ft³ 16.02 0.01602 Construction, engineering
Pound per cubic inch lb/in³ 27,680 27.68 High-density materials
Tonne per cubic meter t/m³ 1000 1.0 Bulk materials
Specific Gravity SG ×1000 ×1 Relative to water