Monitoring Calculators

20 free monitoring calculators in DevOps.

Alert Frequency CalculatorCalculate how often alerts fire based on thresholds and metric volatility.
Alert Noise Score CalculatorScore how noisy an alerting setup is from false-positive and repeat-alert ratios.
Alertmanager Capacity CalculatorCalculate how many alerts Alertmanager can process and route per minute.
Dashboard Query Time CalculatorEstimate total query execution time for all panels on a monitoring dashboard.
Error Budget CalculatorCalculate remaining error budget based on your SLO target and current failure rate.
Exporter Resource CalculatorEstimate CPU and memory overhead added by running Prometheus exporters on a host.
Grafana Dashboard Load CalculatorEstimate query load a Grafana dashboard places on its underlying data sources.
Metric Ingestion CalculatorCalculate total metric samples ingested per second across all monitored targets.
Metrics Cardinality CalculatorCalculate total time series cardinality from metric names and label combinations.
Monitoring Coverage CalculatorCalculate the percentage of infrastructure and services covered by active monitoring.
MTBF CalculatorCalculate mean time between failures from total uptime and failure count.
MTTR CalculatorCalculate mean time to recovery from incident detection to full resolution.
Prometheus Retention CalculatorCalculate how long Prometheus can retain metrics given available disk space.
Prometheus Storage CalculatorEstimate Prometheus disk storage needs from sample ingestion rate and retention.
Prometheus TSDB Size CalculatorCalculate Prometheus TSDB block size based on series count and sample density.
PromQL Query Cost CalculatorEstimate the computational cost of a PromQL query based on range and series selected.
Scrape Interval CalculatorDetermine the right Prometheus scrape interval balancing granularity and storage cost.
SLI CalculatorCalculate a service level indicator from successful events over total events.
SLO Compliance CalculatorCheck whether current SLI performance is meeting your defined SLO target.
Time Series Growth CalculatorProject how the number of active time series will grow as services and labels scale.