/// <summary>
/// Convert functions.
/// </summary>
static class ConvertNum
{
    /// <summary>
    /// Convert a number in bytes to a number in megabytes.
    /// </summary>
    /// <param name="bytesIn">The number of bytes.</param>
    /// <returns>The number of megabytes.</returns>
    public static double ConvertBytesToMegabytes(long bytesIn)
    {
        return (bytesIn / 1024f) / 1024f;
    }

    /// <summary>
    /// Convert a number in kilobytes to a number in megabytes.
    /// </summary>
    /// <param name="kilobytesIn">The number of kilobytes.</param>
    /// <returns>The number of megabytes.</returns>
    public static double ConvertKilobytesToMegabytes(long kilobytesIn)
    {
        return kilobytesIn / 1024f;
    }

    /// <summary>
    /// Convert a number in degrees Celsius to a number in degrees Fahrenheit.
    /// </summary>
    /// <param name="celsiusIn">The number of degrees Celsius.</param>
    /// <returns>The number of degrees Fahrenheit.</returns>
    public static double ConvertCelsiusToFahrenheit(double celsiusIn)
    {
        return ((9.0 / 5.0) * celsiusIn) + 32;
    }

    /// <summary>
    /// Convert a number in degrees Fahrenheit to a number in degrees Celsius.
    /// </summary>
    /// <param name="fahrenheitIn">The number of degrees Fahrenheit.</param>
    /// <returns>The number of degrees Celsius.</returns>
    public static double ConvertFahrenheitToCelsius(double fahrenheitIn)
    {
        return (5.0 / 9.0) * (fahrenheitIn - 32);
    }

    /// <summary>
    /// Convert a number in miles to a number in kilometers.
    /// </summary>
    /// <param name="milesIn">The number of miles.</param>
    /// <returns>The number of kilometers.</returns>
    public static double ConvertMilesToKilometers(double milesIn)
    {
        return milesIn * 1.609344;
    }

    /// <summary>
    /// Convert a number in kilometers to a number in miles.
    /// </summary>
    /// <param name="kilometersIn">The number of kilometers.</param>
    /// <returns>The number of miles.</returns>
    public static double ConvertKilometersToMiles(double kilometersIn)
    {
        return kilometersIn * 0.621371192;
    }
}