This article explains how each of Density’s key metrics is calculated.
Occupancy: The number of people in a space.
 Peak Occupancy: The highest number of people in a space during the selected timeframe.
 Average Occupancy: The average number of people in a space during the selected timeframe, calculated by dividing the number of people per second over the total number of seconds.
Utilization: The number of people in a space relative to the space’s capacity.
 Peak Utilization: The highest number of people in a space during the selected timeframe divided by the capacity of the space.
 Average Utilization: The number of people each second divided by the capacity, averaged over the total number of seconds.
Time Used: The amount of time a space is occupied relative to the timeframe selected.
 % Time Used: The amount of time with an occupancy greater than zero, divided by the total amount of time selected.
Dwell Time: The amount of time a space is occupied during each use.
 Peak Dwell Time: The longest amount of time where occupancy was greater than zero over the selected timeframe.

Average Dwell Time: The total amount of time where occupancy was greater than zero divided by the number of times the occupancy was greater than zero.
 Avg Dwell Time = (total dwell time) / (# of dwell events)
Surplus: The number of spaces simultaneously vacant.
 Minimum Surplus: The minimum number of spaces that remain simultaneously vacant during the selected timeframe.
Time at Target Utilization: The amount of time a space is occupied for at target utilization, below target utilization, and above target utilization.
 Underutilized: The amount of time a space was underutilized for (x < 60% utilization).
 Optimal: The amount of time a space was used at target utilization for (60% < x < 100% utilization).
 Overutilized: The amount of time a space was overutilized for (> 100% utilization).
Busiest Day & Time: The hour of day or day of the week when peak occupancy occurred.
 Busiest Day of Week: the day on which peak occupancy occurred.
 Busiest Hour of Day: the hour at which peak occupancy occurred.
Performance (Open Area): The performance of a space relative to other spaces of the same function over the selected timeframe. Spaces are ranked highest to lowest based on the following calculation.

Rank Calculation (Open Area)
 For spaces with a capacity > 1: Rank = average utilization * % time used.
 For spaces with a capacity = 1: Rank = % time used.
 Performance Insights (Open Area): Insights triggers are based on average utilization and % time used as follows:
Insight 
Trigger  Color 
This space is too large  Average Utilization < 50%  Red 
This space is too small  Average Utilization > 100%  Red 
This space is too vacant  Time Used < 50%  Red 
This space is rarely available  Time Used > 80%  Red 
This space is rightsized  50% < Average Utilization < 100% 
Green 
This space is well utilized  50% < Average Utilization < 80% 
Green 
For more information, please see our Dashboard Definitions article.