Converters
Density Converter
Last updated: June 19, 2026
A density converter is a scientific measurement utility that translates mass per unit volume values between different metric and imperial systems. The converter supports conversions across grams per cubic centimeter, kilograms per cubic meter, pounds per cubic foot, pounds per cubic inch, and ounces per gallon. It applies physical conversion factors to ensure exact accuracy. Chemistry students, material scientists, builders, and logistics coordinators use this tool to standardize density measurements and calculate material weights from volumes.
Pick a 'from' unit and a 'to' unit, enter a value, and the converter returns the value in every common density unit. Useful for chemistry, materials, and bulk-material work.
Quick Answer
Convert density values between metric and imperial units. Enter your density value and select units to calculate conversions across grams, pounds, and cubic volumes.
Water at room temperature is about 1,000 kg/m³ (1 g/mL). · e.g. 1000
Internal base unit is kg/m³. Each conversion goes through kg/m³, so accuracy is consistent across pairs.
Kilogram per cubic meter → Pound per cubic foot
62.428 lb/ft³
1,000 (from) = 62.428 (to)
1 g/cm³ = 1 g/mL = 1,000 kg/m³. 1 lb/ft³ ≈ 16.018 kg/m³. 1 lb/in³ ≈ 27,679.9 kg/m³. 1 lb/gal US ≈ 119.83 kg/m³.
Examples
Water 1,000 kg/m³
= 1 g/cm³ ≈ 62.43 lb/ft³
Steel 7,850 kg/m³
≈ 7.85 g/cm³; 490 lb/ft³
Hot mix asphalt ≈ 2,322 kg/m³
≈ 145 lb/ft³
Gold 19,320 kg/m³
≈ 19.32 g/cm³; 698.4 lb/in³
How it works
Each density unit is defined by its size relative to kg/m³. The converter multiplies the input by the source factor, then divides by the target factor.
Metric · 1 g/cm³ = 1 g/mL = 1,000 kg/m³
Imperial · 1 lb/ft³ ≈ 16.018 kg/m³; 1 lb/in³ ≈ 27,680 kg/m³
Related calculators
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- Volume converter for the volume side (L, mL, m³, gallons, cubic feet).
- Sand calculator when density combines with depth to estimate bulk weight.
- Topsoil calculator for soil density and yardage planning.
- Asphalt calculator for paving where hot-mix density drives tonnage.
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Frequently asked questions
Density is mass per unit volume. The SI base unit is kg/m³. 1 g/cm³ equals 1,000 kg/m³, and water at room temperature is right around that value, so g/cm³ and kg/m³ are both common in chemistry and materials.
Yes. 1 mL is defined as 1 cm³, so 1 g/mL = 1 g/cm³ exactly. Both equal 1,000 kg/m³.
Water ≈ 1,000 kg/m³ (1 g/cm³). Aluminum ≈ 2,700 kg/m³. Steel ≈ 7,850 kg/m³. Concrete ≈ 2,400 kg/m³. Dry sand ≈ 1,600 kg/m³. Topsoil ≈ 1,200 kg/m³.
Many US trade products are quoted in lb/ft³ or lb/gal (paint, asphalt, concrete additives). The conversions let you compare with metric data sheets without doing the unit math by hand.
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