What is Double variable in VBA?
James Stevens
Updated on February 26, 2026
VBA Double is a kind of data type we assign to declare variables, which is an improved or longer version of the “Single” data type variable and is usually used to store longer decimal places. The single data type can show up to two digits of decimal places.
What is a Double variable type?
A double type variable is a 64-bit floating data type The double is a fundamental data type built into the compiler and used to define numeric variables holding numbers with decimal points. A double type can represent fractional as well as whole values.
What is DBL in Visual Basic?
The Double data type provides the largest and smallest possible magnitudes for a number. The default value of Double is 0.
What is a double variable in Excel?
Double Variable Type The VBA Double data type is used to store numbers that require decimal places. It can store from -1.79769313486231E308 to -4.94065645841247E-324 for negative values, and 4.94065645841247E-324 to 1.79769313486232E308 for positive values.
How do you use double data types?
All real numbers are floating-point values. A variable can be declared as double by adding the double keyword as a prefix to it. You majorly used this data type where the decimal digits are 14 or 15 digits. However, one must use it cautiously as it consumes memory storage of 8 bytes and is an expensive method.
What is the difference between long and Double in VBA?
The Long variable type can hold positive numbers up to a value of 2, 147, 483, 647. The variable types you can use for greater precision are As Single and As Double. The difference between the two are how many digits they can hold. As Single holds 4 bytes of data while As Double can hold 8 bytes.
What is Double in Excel?
The double negative coerces TRUE or FALSE values to their numeric equivalents, 1 and 0. The double negative (sometimes called the even more nerdy “double unary”) coerces TRUE or FALSE values to their numeric equivalents, 1 and 0. …
Is double and float the same?
A double is 64 and single precision (float) is 32 bits. The double has a bigger mantissa (the integer bits of the real number).
What are VBA variables?
Advertisements. Variable is a named memory location used to hold a value that can be changed during the script execution. Following are the basic rules for naming a variable. You must use a letter as the first character.
What is the difference between long and double in VBA?
How do I use the VBA double data type?
The VBA Double data type is used to store numbers that require decimal places. It can store from -1.79769313486231E308 to -4.94065645841247E-324 for negative values, and 4.94065645841247E-324 to 1.79769313486232E308 for positive values. To declare an Double variable, you use the Dim Statement (short for Dimension): Dim dblA as Double
How to declare a variable explicitly in VBA?
You can use “Dim” keyword in syntax to declare variable explicitly. VBA data types can be segregated into two types. Numeric Data Types. Non-numeric Data Types. In VBA, if the data type is not specified. It will automatically declare the variable as a Variant. Constant is like a variable, but you cannot modify it.
How do I use a double variable in a VBA project?
However, instead of using the Dim statement, use the Public statement to indicate that the Double variable is available to be used throughout your VBA Project. If you were to declare the double variable at a module level and then try to use it in a different module, an error would occur.
What is variable type in Excel VBA?
Excel VBA Variable Types Variables in VBA are used to assign a small amount of memory spaces which is then used to define the script. In the process of declaring variables in VBA, we eventually assign different data types to them. And each data type in VBA has a different role and process of execution.