interactive demos

SRE Toolbox

Live calculators and tools for common SRE tasks — SLO budgeting, incident cost analysis, and reliability metrics.

SLO Error Budget Calculator

SLO Target (%)

Window (days)

43m

Error Budget

2592s total

43m

Max Downtime

per 30d window

52s

Fast Burn Alert

2% budget / 1h

Slow Burn Alert

5% budget / 6h

# Prometheus burn rate alert (fast burn)

(sum(rate(http_requests_total{code=~"5.."}[1h])) / sum(rate(http_requests_total[1h]))) >

0.0144

Incident Cost Estimator

Incident Duration (minutes)

% Users Affected

Monthly Revenue ($)

Engineers on Incident

$10

Revenue Loss

$260

Engineer Time

$270

Total Cost

MTTR / MTBF Tracker

30m45m20m60m15m

34m

MTTR

mean time to recover

144h

MTBF

mean time between failures

99.606%

Availability

estimated from data

More tools coming

I'm building more interactive SRE tools: a Kubernetes resource rightsizing calculator, an on-call rotation health checker, and a capacity planning estimator. Stay tuned.