Revit Formulas are powerful ways to drive and control parametric content in a model. If you are building Revit Families, you have probably come across the need to add formulas. These Revit formulas range from the simple to very complex! If you’re looking for info on what Formulas are available to you and how to use them, you have come to the right place. My friend Chris Alby from measuresurvey365.co.uk is here to explain all about Revit Formulas!
Formula syntax
Revit formulas support standard arithmetic and trigonometric functions.
The following operators and functions are used in formulas:
- Addition: +
- Subtraction: –
- Multiplication: *
- Division: /
- Exponentiation: ^ (Example: 3 ^ 2 is 3 squared)
All of the following functions have a standard notation: function (value)
For example: sin (Angle) is the sine of the Angle parameter.
- Logarithm: log
- Square root extraction: sqrt
- Sine: sin
- Cosine: cos
- Tangent: tan
- Arcsine: asin
- Arccosine: acos
- Arctangent: atan
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