decimal

System.Decimal
Exact Precision Floating Point (1 E -28 to 7.9 E 28)
29 significant digits.
The default value is 0.

decimal myDecimal; 
System.Decimal myDecimal; 

Explicit Data Type

You can append literal constants with the letter "M" or "m" when you need to specify this type of literal.

decimal myDecimal = 1.6m;                         'suffix is necessary  
decimal myDecimal = 1.6M;                         'suffix is necessary  

Converting

// Decimal to Integer 
decimal myDecimal = 1.6M; 
int myInteger = (int)myDecimal; 

// Decimal to Double 
decimal myDecimal = 1.6M; 
double myDouble = (double)myDecimal; 

// Decimal to Float 
decimal myDecimal = 1.6M; 
float myFloat = (float)myDecimal; 

Examples

System.Diagnostics.Debug.Print myDecimal           '= 1.2345  

VBA Currency Equivalent

The Currency data type in VBA has been replaced with the Decimal data type in C#.
In most cases these will be interchangeable however they do actually differ in their precision.
The Decimal data type in .NET is more accurate than the VBA Currency data type.