Free database tools

Practical calculators and references, in one place.

Model a usage scenario, inspect PostgreSQL size safely, or compare provider concepts without turning unavailable data into an estimate.

Usage and cost

Neon CU-hour calculator
Estimate CU-hours from average compute size and active runtime.
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Supabase usage calculator
Compare billing-cycle usage with allowances from your current plan.
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Database egress calculator
Estimate outbound transfer from responses, downloads, and other traffic.
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Capacity and growth

Database growth calculator
Measure growth pace and a transparent threshold projection.
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PostgreSQL references

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Neon vs Supabase
Compare current platform and usage-model differences without a false winner.
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What can DatabaseMeter collect?

Provider APIs expose different measurements. Review the current Neon and Supabase capability matrix before assuming a metric is available.

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