For Engineers Who Need The Number Now

Engineering calculators that answer the operational question

Size, cost, benchmark, and sanity-check DevOps, SRE, FinOps, security, Kubernetes, database, and platform decisions directly in your browser. Free calculators for quick answers. Free CSV analyzers when you need to inspect a full export.

Calculations run locally in your browser
No signup
No account required
Browser-based calculations
Transparent formulas
Featured tools
Error Budget Calculator
Compute SLO error budget, burn rate, and projected window-end status.
MTTR Calculator
Mean time to resolution from incident counts and detect/resolve durations.
Cluster Capacity Calculator
Size a Kubernetes cluster from pod count, resource requests, and HA headroom.
Connection Pool Calculator
Size a Postgres connection pool from QPS, query duration, and max_connections.
Cloud Waste Calculator
Estimate monthly cloud waste from idle resources and oversized instances.
Password Entropy Calculator
Place a password's entropy on the distribution of real-world leaked credentials.
CSV Analyzers — for full-export analysis

When the calculator answers the question, the analyzer reveals the pattern. Five free in-browser analyzers that score a full CSV export.

Cloud & Infra Analyzer
Score every instance, volume, and transfer line in your AWS/GCP/Azure billing CSV. Surfaces oversized, idle, and anomalous spend ranked worst-first.
DevOps Health Analyzer
Score SLO compliance, burn rate trends, MTTR, and on-call distribution across your service catalog from one CSV.
Data Governance Analyzer
Score retention policies, PII exposure, and access patterns against compliance frameworks (GDPR, CCPA, SOX) from a data-inventory CSV.
Churn Defense Analyzer
Correlate satisfaction signals, crash patterns, and engagement decline with account-level risk. Surfaces accounts at risk before they churn.
Revenue Intelligence Analyzer
Score expansion potential, retention risk, and pricing-power signals across your account base from one revenue CSV.
All 28 verticals

366 calculators and references across cloud cost, reliability, security, CI/CD, Kubernetes, databases, observability, and platform engineering.

API Design & Engineering Tools
12 tools
Application Security Tools
17 tools
CI/CD Pipeline Tools
16 tools
Cloud FinOps & Cost Calculators
11 tools
Cloud Infrastructure Tools
12 tools
Compliance & Regulatory Tools
12 tools
Container & Docker Tools
12 tools
Data Utilities
12 tools
Data Engineering
13 tools
Database & SQL Tools
10 tools
Code Quality
12 tools
Developer Experience
12 tools
DevSecOps Tools
27 tools
Engineering Cost Intelligence Tools
15 tools
Frontend Engineering Tools
12 tools
Git & Version Control Tools
12 tools
Infrastructure & IaC Tools
15 tools
Kubernetes Tools
13 tools
ML Engineering Tools
12 tools
Mobile Engineering Tools
12 tools
Network Engineering Tools
10 tools
Observability & SRE Tools
13 tools
Open Source Compliance Tools
10 tools
Platform & Container Tools
12 tools
Platform Engineering
12 tools
Security Operations Tools
12 tools
Software Testing Tools
12 tools
SRE Tools
16 tools
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