On-Call Load
Distribute incident response time across an on-call team.
About On-Call Load
Spreading the week's incidents across engineers and multiplying by response time gives each person's load, including an average nightly share. On-call pages disrupt sleep and focus, so an explicit load number makes it clear when a rotation is becoming unsustainable.
Formula
On-Call Load
Per engineer = incidents / engineers x minutes each; nightly = weekly / 7
- incidents
- Alert-triggering events handled each week
Worked example
With the default values below, On-Call Load returns Incidents per Engineer of 1.50. Change any input above and every figure here is recalculated in your browser.
Inputs used
- On-call engineersminimum 1
- 4
- Incidents per weekminimum 0
- 6
- Minutes per incidentminimum 0
- 30
Results
- Incidents per Engineer
- 1.50
- Weekly Minutes Each
- 45
- Weekly Hours Each
- 0.75
- Nightly Minutes Each
- 6
Step by step
- 1Values used
- 2On-Call Load
- 3Incidents per Engineer= 1.50
- 4Weekly Minutes Each= 45
- 5Weekly Hours Each= 0.75
- 6Nightly Minutes Each= 6
Assumptions and limits
- The result is derived only from the 3 inputs listed above. Anything not among them is not part of the calculation.
- In particular, this calculator does not take inflation, tax, fees or charges or compounding frequency into account.
- Figures are rounded for display to 2 decimal places, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.
How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.
Frequently Asked Questions
How is On-Call Load calculated?
Per engineer = incidents / engineers x minutes each; nightly = weekly / 7 Spreading the week's incidents across engineers and multiplying by response time gives each person's load, including an average nightly share.
Why does On-Call Load matter?
On-call pages disrupt sleep and focus, so an explicit load number makes it clear when a rotation is becoming unsustainable.
What values do I need to enter?
This calculator takes 3 inputs: On-call engineers, Incidents per week, Minutes per incident. The pre-filled defaults are a realistic starting point — replace them with figures from your own environment for a result you can act on.