AreaUnit enum

Represents units of area.

This enum implements the LinearUnit interface to provide conversion capabilities and a display symbol for each area unit. All conversion factors are pre-calculated in the constructor relative to Square Meter (m²).

Inheritance

Object
Enum
AreaUnit

Implemented types

LinearUnit<AreaUnit>

Available extensions

EnumName

Values

squareMeter → const AreaUnit: Square Meter (m²), the SI derived unit of area.

const AreaUnit(1, 'm²')
squareDecimeter → const AreaUnit: Square Decimeter (dm²).

const AreaUnit(AreaFactors.dm2, 'dm²')
squareCentimeter → const AreaUnit: Square Centimeter (cm²).

const AreaUnit(AreaFactors.cm2, 'cm²')
squareMillimeter → const AreaUnit: Square Millimeter (mm²).

const AreaUnit(AreaFactors.mm2, 'mm²')
squareMicrometer → const AreaUnit: Square Micrometer (µm²).

const AreaUnit(AreaFactors.um2, 'µm²')
squareDecameter → const AreaUnit: Square Decameter (dam²).

const AreaUnit(AreaFactors.dam2, 'dam²')
squareHectometer → const AreaUnit: Square Hectometer (hm²).

const AreaUnit(AreaFactors.hm2, 'hm²')
hectare → const AreaUnit: Hectare (ha), a common unit for land area, equal to 10,000 m².

const AreaUnit(AreaFactors.hm2, 'ha')
squareKilometer → const AreaUnit: Square Kilometer (km²).

const AreaUnit(AreaFactors.km2, 'km²')
squareMegameter → const AreaUnit: Square Megameter (Mm²).

const AreaUnit(AreaFactors.Mm2, 'Mm²')
squareInch → const AreaUnit: Square Inch (in²).

const AreaUnit(AreaFactors.in2, 'in²')
squareFoot → const AreaUnit: Square Foot (ft²).

const AreaUnit(AreaFactors.ft2, 'ft²')
squareYard → const AreaUnit: Square Yard (yd²).

const AreaUnit(AreaFactors.yd2, 'yd²')
squareMile → const AreaUnit: Square Mile (mi²).

const AreaUnit(AreaFactors.mi2, 'mi²')
acre → const AreaUnit: Acre (ac).

const AreaUnit(AreaFactors.ac, 'ac')

Properties

hashCode → int: The hash code for this object.
no setterinherited
index → int: A numeric identifier for the enumerated value.
no setterinherited
isMetric → bool: Returns false for imperial/US customary land-area units and for hectare (a unit accepted for use with the SI, not a prefixed square metre); true for all decimal multiples/submultiples of the square metre.
no setteroverride
isSI → bool: Returns true only for squareMeter, the SI derived unit of area.
no setteroverride
name → String: Available on Enum, provided by the EnumName extension
The name of the enum value.
no setter
runtimeType → Type: A representation of the runtime type of the object.
no setterinherited
symbol → String: A human-readable symbol or abbreviation for the unit.
final

Methods

noSuchMethod(Invocation invocation) → dynamic: Invoked when a nonexistent method or property is accessed.
inherited
toString() → String: A string representation of this object.
inherited

Operators

operator ==(Object other) → bool: The equality operator.
inherited

Constants

values → const List<AreaUnit>: A constant List of the values in this enum, in order of their declaration.