How do you calculate GraphQL query complexity?

Assign cost to each field (default 1) and multiply by estimated result cardinality for lists. A query with 3 nested arrays of 100 items each: 100 x 100 x 100 = 1,000,000 cost.

What is a good query depth limit for GraphQL?

Typical limit: 7-10 levels deep. Deeper than 10 almost always indicates a design problem. GitHub GraphQL API limits depth to 10 and has a max complexity of 500,000 per query.

How do you prevent N+1 queries in GraphQL?

Use DataLoader pattern to batch and cache database queries per request. N+1 occurs when a list resolver triggers 1+N queries. DataLoader reduces this to 1+1 queries regardless of list size.

GraphQL Query Complexity Limit Calculator

Calculate GraphQL query complexity scores and set appropriate limits. Prevent N+1 queries, deeply nested queries, and DoS via complexity analysis.

AI & SaaS Tools

SaaS Metrics

AI Compute

AI ROI

LTV:CAC Ratio

ARPU ($/month)

Monthly Churn %

CAC ($)

Gross Margin %

LTV

$3500

LTV:CAC

11.67

Payback

2.9 mo

Health

Healthy ✓

Benchmark: LTV:CAC ≥ 3 is healthy. Payback under 12 months is excellent. Under 1 means you lose money on each customer.

How to Use

Enter the values for the scenario you are assessing. Calculate GraphQL query complexity scores and set appropriate limits. Prevent N+1 queries, deeply nested queries, and DoS via complexity analysis. Use the graphql complexity result to inform your calculation.

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GraphQL Query Complexity Limit Calculator

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Frequently Asked Questions

How do you calculate GraphQL query complexity?

What is a good query depth limit for GraphQL?

How do you prevent N+1 queries in GraphQL?