# Convert::ToDecimal Method (Double)

.NET Framework (current version)

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

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

## Syntax

```public:
static Decimal ToDecimal(
double value
)
```

#### Parameters

value
Type: System::Double

The double-precision floating-point number to convert.

#### Return Value

Type: System::Decimal

A decimal number that is equivalent to value.

## Exceptions

Exception Condition
OverflowException

value is greater than Decimal::MaxValue or less than Decimal::MinValue.

## Remarks

The Decimal value returned by this method contains a maximum of 15 significant digits. If the value parameter contains more than 15 significant digits, it is rounded using rounding to nearest. The following example illustrates how the Convert::ToDecimal(Double) method uses rounding to nearest to return a Decimal value with 15 significant digits.

No code example is currently available or this language may not be supported.

## Examples

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

```public:
void ConvertDoubleDecimal( double doubleVal )
{
Decimal decimalVal;

// Conversion from double to decimal cannot overflow.
decimalVal = System::Convert::ToDecimal( doubleVal );
System::Console::WriteLine( " {0} as a decimal is: {1}",
doubleVal, decimalVal );

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

## Version Information

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