Important: This documentation is about an older version. It's relevant only to the release noted, many of the features and functions have been updated or replaced. Please view the current version.
The following table contains a list of calculations you can perform in Grafana. You can find these calculations in the Transform tab and in the bar gauge, gauge, and stat visualizations.
Calculation
Description
All nulls
True when all values are null
All zeros
True when all values are 0
Change count
Number of times the field’s value changes
Count
Number of values in a field
Delta
Cumulative change in value, only counts increments
Difference
Difference between first and last value of a field
Difference percent
Percentage change between first and last value of a field
Distinct count
Number of unique values in a field
First (not null)
First, not null value in a field
Max
Maximum value of a field
Mean
Mean value of all values in a field
Variance
Variance of all values in a field
StdDev
Standard deviation of all values in a field
Min
Minimum value of a field
Min (above zero)
Minimum, positive value of a field
Range
Difference between maximum and minimum values of a field