| Speed(Double) | Creates a new instance of Speed with a particular value. |
| Speed(Double, Type) | Creates a new instance of Speed with a particular value and Unit whose Type is specified |
| Speed(Length, Time) | Creates a new Speed whose value is the multiple of three Length values. |
| Speed(Double, Unit, MetricExponent) | Creates a new instance of Speed with a particular value and Unit assuming that value is already raised or lowered to the power of exponent. |