How to convert a decimal to a double in C#
Overview
The Decimal.ToDouble() method can be used to convert a decimal to a double in C#.
The Decimal.ToDouble() method converts a specified decimal value to its equivalent double-precision, floating-point number.
Syntax
public static double ToDouble (decimal d);
Parameters
d: This is the decimal value that we want to convert to a double value.
Return value
This method returns a double-precision, floating-point number that is equivalent to d.
Code example
// use Systemusing System;// create classclass DecimalToDouble{// main methodstatic void Main(){// create decimal valuesdecimal d1 = 3234.3434m;decimal d2 = 0.764342m;decimal d3 = -858.9990m;// convert to doubledouble r1 = Decimal.ToDouble(d1);double r2 = Decimal.ToDouble(d2);double r3 = Decimal.ToDouble(d3);Console.WriteLine(r1);Console.WriteLine(r2);Console.WriteLine(r3);}}
Code explanation
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Lines 10–12: We create three decimal variables and initialize them with some decimal values.
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Lines 15–17: We call the
Decimal.ToDouble()method on the decimal values and store the results on some double variables,r1,r2, andr3. -
Lines 19–21: We print the double values which result from the conversion to the console.
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