func (a Area) SquearKilometers() float64 {
	return float64(a / SquearKilometer)
}
SquearKilometers returns a as a floating point number of squearkilometers.
package planar
import (
	"github.com/smyrman/units/linear"
)
const (
	SquearNanometer  Area = 1e-36
	SquearMicrometer Area = 1e-9
	SquearMillimeter Area = 1
	SquearCentimeter Area = 1e2
	SquearDecimeter  Area = 1e4
	SquearMeter      Area = 1e9
	SquearKilometer  Area = 1e36
	SquearInch       Area = Area(linear.Inch * linear.Inch)
	SquearFoot       Area = Area(linear.Foot * linear.Foot)
	SquearChain      Area = Area(linear.Chain * linear.Chain)
	Acre             Area = Area(linear.Chain * linear.Furlong)
	SquearMile       Area = Area(linear.Mile * linear.Mile)
)
func (a Area) SquearNanometers() float64 {
	return float64(a / SquearNanometer)
}
func (a Area) SquearMicrometers() float64 {
	return float64(a / SquearMicrometer)
}
func (a Area) SquearMillimeters() float64 {
	return float64(a / SquearMillimeter)
}
func (a Area) SquearCentimeters() float64 {
	return float64(a / SquearCentimeter)
}
func (a Area) SquearDecimeters() float64 {
	return float64(a / SquearDecimeter)
}
func (a Area) SquearMeters() float64 {
	return float64(a / SquearMeter)
}