DORA Metrics Calculator
Assess your team's software delivery performance using the four key DORA metrics.
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What are DORA Metrics?
DORA (DevOps Research and Assessment) metrics are four key measurements that quantify software delivery performance and operational excellence. Developed by the DORA team (now part of Google Cloud), these metrics emerged from years of research into what separates high-performing engineering organizations from low performers. The four metrics are: Deployment Frequency (how often you release to production), Lead Time for Changes (time from commit to production), Mean Time to Recovery (how quickly you restore service after an incident), and Change Failure Rate (percentage of deployments causing failures).
Engineering leaders, DevOps teams, and platform engineers use DORA metrics to benchmark their teams against industry standards, identify bottlenecks in their delivery pipeline, justify investments in CI/CD tooling and automation, and track improvement over time. These metrics provide an objective, data-driven framework for measuring the impact of engineering practices like trunk-based development, automated testing, feature flags, and infrastructure as code on actual delivery outcomes.
Frequently Asked Questions
What is a good deployment frequency?
Elite performers deploy multiple times per day, high performers deploy daily to weekly. The key insight is that higher deployment frequency correlates with lower risk—smaller changes are easier to debug and roll back. If your team deploys monthly or less frequently, focus on reducing batch sizes, automating your release process, and building confidence through automated testing.
How to calculate change failure rate?
Change failure rate is the percentage of deployments that result in a degraded service requiring remediation (rollback, hotfix, or patch). Calculate it as: (number of failed deployments / total deployments) × 100. A "failure" includes any deployment that causes an incident, requires a rollback, or needs an immediate follow-up fix. Elite teams maintain a rate below 5%.
What does MTTR stand for?
MTTR stands for Mean Time to Recovery (or Mean Time to Restore). In the DORA context, it measures how long it takes to restore service when an incident occurs—from detection to resolution. Elite teams recover in less than one hour. Improving MTTR requires investment in observability (metrics, logs, traces), automated alerting, runbooks, automated rollback mechanisms, and incident response procedures.