Foods, Nutrients and Calories
Gravels, Substances and Oils
Sand, Fine weighs 1 999 kg/m³ (124.79349 lb/ft³) with specific gravity of 1.999 relative to pure water. Calculate how much of this gravel is required to attain a specific depth in a cylindrical, quarter cylindrical or in a rectangular shaped aquarium or pond [ weight to volume | volume to weight | price ]
Weights and Measurements
The grain (gr) is a non-metric unit of mass, and defined as exactly 64.79891 milligrams (mg) within the International System of Units.
The length measurement was introduced to measure distance between any two objects.