Density class final

Represents a quantity of density.

Density is a physical quantity representing the mass per unit volume of a substance. The SI derived unit is Kilogram per Cubic Meter (kg/m³).

Inheritance
Available extensions
Annotations
  • @immutable

Constructors

Density(double _value, DensityUnit _unit)
Creates a new Density with a given value and unit.
const
Density.from(Mass mass, Volume volume)
Creates a Density from mass and volume (ρ = m / V).
factory

Properties

asGramsPerCubicCentimeter → Density

Available on Density, provided by the DensityValueGetters extension

Returns a new Density object representing this density in Grams per Cubic Centimeter (g/cm³).
no setter
asGramsPerMilliliter → Density

Available on Density, provided by the DensityValueGetters extension

Returns a new Density object representing this density in Grams per Milliliter (g/mL).
no setter
asKilogramsPerCubicMeter → Density

Available on Density, provided by the DensityValueGetters extension

Returns a new Density object representing this density in Kilograms per Cubic Meter (kg/m³).
no setter
hashCode → int
Returns a hash code for this Quantity instance.
no setterinherited
inGramsPerCubicCentimeter → double

Available on Density, provided by the DensityValueGetters extension

Returns the density value in Grams per Cubic Centimeter (g/cm³).
no setter
inGramsPerMilliliter → double

Available on Density, provided by the DensityValueGetters extension

Returns the density value in Grams per Milliliter (g/mL).
no setter
inKilogramsPerCubicMeter → double

Available on Density, provided by the DensityValueGetters extension

Returns the density value in Kilograms per Cubic Meter (kg/m³).
no setter
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
unit → DensityUnit
Returns the unit of measurement associated with this quantity's original value.
no setterinherited
value → double
Returns the numerical value of this quantity in its original unit.
no setterinherited

Methods

compareTo(Quantity<DensityUnit> other) → int
Compares this quantity to another Quantity of the same type (T).
inherited
convertTo(DensityUnit targetUnit) → Density
Creates a new Q instance with the value converted to targetUnit.
inherited
create(double value, DensityUnit unit) → Density
Factory that creates a new instance of the concrete subtype Q.
override
getValue(DensityUnit targetUnit) → double
Returns the value of this quantity converted to targetUnit.
inherited
isEquivalentTo(Quantity<DensityUnit> other, {double tolerance = 1e-9, double absoluteTolerance = 0.0}) → bool
Checks if this quantity has the same physical magnitude as another, accounting for IEEE 754 floating-point rounding inaccuracies.
inherited
massOf(Volume volume) → Mass
Calculates the Mass of a given Volume of this substance.
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
ratioTo(Quantity<DensityUnit> other) → double
Computes the dimensionless ratio of this quantity to other.
inherited
toString({DensityUnit? targetUnit, QuantityFormat format = QuantityFormat.invariant}) → String
Returns a string representation of this quantity.
inherited
volumeFor(Mass mass) → Volume
Calculates the Volume required for a given Mass of this substance.

Operators

operator *(double scalar) → Density
Multiplies this quantity by a dimensionless scalar.
inherited
operator +(Density other) → Density
Adds other to this quantity.
inherited
operator -(Density other) → Density
Subtracts other from this quantity.
inherited
operator /(double scalar) → Density
Divides this quantity by a dimensionless scalar.
inherited
operator <(Quantity<DensityUnit> other) → bool
Checks if this quantity's magnitude is less than another's.
inherited
operator <=(Quantity<DensityUnit> other) → bool
Checks if this quantity's magnitude is less than or equal to another's.
inherited
operator ==(Object other) → bool
Determines whether this Quantity is equal to another Object.
inherited
operator >(Quantity<DensityUnit> other) → bool
Checks if this quantity's magnitude is greater than another's.
inherited
operator >=(Quantity<DensityUnit> other) → bool
Checks if this quantity's magnitude is greater than or equal to another's.
inherited
operator unary-() → Density
Negates this quantity.
inherited

Static Properties

parser → QuantityParser<DensityUnit, Density>
The parser instance used to convert strings into Density objects.
final

Static Methods

parse(String input, {List<QuantityFormat> formats = const [QuantityFormat.invariant]}) → Density
Parses a string representation of density into a Density object.
tryParse(String input, {List<QuantityFormat> formats = const [QuantityFormat.invariant]}) → Density?
Parses a string representation of density into a Density object, returning null when parsing fails.