Your calendar generates a lot of data. Total event count, hours scheduled, days with most meetings, longest single meeting, percentage of recurring events — all of it is technically calculable. Almost none of it is useful. Here are the five metrics that actually tell you something worth knowing.
The Five Numbers Worth Tracking
1. Meeting Percentage
What fraction of your working hours is meetings? For most knowledge workers, 20–40% is a reasonable range. Below 20% and you may be under-collaborating (or in a role where that's actually appropriate). Above 50% and you likely have a fragmentation problem — your deep work is being crowded out. This single number tells you more about your work mode than any other metric.
2. Focus Block Hours Per Week
Total hours of uninterrupted 90-minute-or-longer blocks per week. Not total calendar hours — blocks long enough to actually do deep work. Most people are surprised by how low this number is. Four hours of genuine focus time per week is not unusual for people who feel like they're working constantly.
3. Domain Distribution
How does your actual time allocation across layers map to your stated priorities? If you say your top priority is building the new product line but your calendar shows 3% time there and 55% on existing client management, you have a priority-execution gap. The domain distribution surfaces that gap in numbers.
4. Personal Time Floor
Minimum Personal or Self/Health layer hours per week. This is the depletion sensor. When it's consistently below your stated minimum, you're in net deficit — spending more than you're recovering. The floor number itself is personal, but you should have one explicitly set and tracked.
5. Drift Velocity
How quickly is any of the above trending in the wrong direction? A single bad week is noise. Three consecutive weeks of declining focus blocks is a signal. Drift velocity turns point-in-time data into trend data — which is where the early warning value lives.
What Not to Track
- →Total event count: tells you nothing about time allocation or cognitive load
- →Total hours on calendar: misleading — an empty block is different from a focus block
- →Longest single day: noisy, usually just reflects unusual circumstances
SIGNAL surfaces all five useful metrics automatically and alerts you when any of them drift outside your set thresholds. PULSE gives you the trend view across any time window. You don't have to calculate them manually — but you do have to understand what you're looking at.