Tools for engineering teams
Free interactive calculators to measure deploy risk, score your DORA metrics, and identify what's holding your team back — no signup required.
Deploy Risk Calculator
Score your next PR before you merge
Enter PR size, test coverage, review status, CODEOWNERS coverage, and timing to get an instant 0–100 deploy risk score — the same model Koalr uses in production. See which signals are driving risk and what to fix.
DORA Score Calculator
Find your DORA tier in 60 seconds
Enter your deployment frequency, lead time for changes, change failure rate, and mean time to restore. Get your DORA tier (Elite / High / Medium / Low) for each metric with gap analysis and specific improvement targets.
Engineering ROI Calculator
Quantify the value of faster, safer deployments
Enter your team size, salary, deployment frequency, and incident load to calculate time saved per month, incident cost avoided, and annual ROI — shareable results for leadership conversations.
Coming soon
More free tools are in development. Built by engineers, for engineers.
On-Call Burnout Estimator
Enter your incident volume, MTTR, and team size to estimate engineer burnout risk and optimal on-call rotation size.
DORA Improvement Planner
Input your current DORA tier and get a prioritised 90-day action plan to reach the next tier — with specific tooling and process recommendations.
Built on real engineering research
Want these scores on every PR automatically?
Koalr scores every pull request against 36 signals before it merges — no manual entry needed. Connect GitHub and get your first deploy risk scores in under 5 minutes.