VBScript » Functions » Round

Syntax:
Round(Number, NumDecimalPlaces)
Number
The Number argument is the number you wish to round off.
NumDecimalPlaces
The optional NumDecimalPlaces argument specifies how many decimal places to round off to.

The Round function rounds off a floating-point number (decimal) to a specified number of decimal places.

There is one mandatory argument.

There is one optional argument.

Examples

Code:
<% =Round(1.123456789) %>
1
Explanation:

If the number of decimal places to round off to is not specified, the number is rounded off to an integer.

Code:
<% =Round(9.87654321) %>
10
Code:
<% =Round(-2.899999999) %>
-3
Explanation:

Note that negative numbers are rounded down (more negative).

Code:
<% =Round(4.50) %>
<% =Round(3.5) %>
<% =Round(2.5000) %>
<% =Round(1.5) %>
<% =Round(0.50000) %>
<% =Round(-0.50) %>
<% =Round(-1.5) %>
<% =Round(-2.50000000) %>
<% =Round(-3.5) %>
<% =Round(-4.5) %>
Output:
4 4 2 2 0 0 -2 -2 -4 -4
Explanation:

Even numbers that are composed of the exact decimal .5, such as 2.5, 4.50, or 22.500000, are rounded down (towards the negative direction).

Negative, even numbers are rounded up (towards the postive direction).

Odd number that are composed of the exact decimal .5, such as 1.5, 3.50, or 21.500000, are rounded up (towards the positive direction).

Negative, odd numbers are rounded down (towards the negative direction).

Code:
<% =Round(1.123456789, 6) %>
1.123457
Code:
<% =Round(-2.899999999, 2) %>
-2.9