Convert.ToDouble Method (Decimal)


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Converts the value of the specified decimal number to an equivalent double-precision floating-point number.

Namespace:   System
Assembly:  mscorlib (in mscorlib.dll)

public static double ToDouble(
	decimal value


Type: System.Decimal

The decimal number to convert.

Return Value

Type: System.Double

A double-precision floating-point number that is equivalent to value.

The following example converts a Decimal value to a Double value.

public void ConvertDoubleDecimal(decimal decimalVal){

	double doubleVal;

	// Decimal to double conversion cannot overflow.
       doubleVal = System.Convert.ToDouble(decimalVal);
	System.Console.WriteLine("{0} as a double is: {1}",
			decimalVal, doubleVal);

	// Conversion from double to decimal can overflow.
	   decimalVal = System.Convert.ToDecimal(doubleVal);
 			System.Console.WriteLine ("{0} as a decimal is: {1}",
  			doubleVal, decimalVal);
	catch (System.OverflowException) {
			"Overflow in double-to-double conversion.");


Universal Windows Platform
Available since 8
.NET Framework
Available since 1.1
Portable Class Library
Supported in: portable .NET platforms
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
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