Redis Memory Estimator

Key count, average key/value size, and data structure type, turned into an estimated total memory footprint.

Data structure

Key count

Avg key size (bytes)

Avg value size (bytes)

167.8 MB

Estimated total memory

176 B

Per key, including overhead

A planning estimate based on typical per-key dict overhead - actual usage depends on Redis's internal encoding (ziplist vs hashtable, etc.). Use MEMORY USAGE on a real key for exact numbers.

Was this tool helpful?

See this same kind of analysis applied to your whole repository

Call graphs, dead code, blast radius, and a health score. Results in 60 seconds, free.

Analyze a repository

Related tools

See all Database tools →

DB Connection String Builder/Parser

Postgres, MySQL, MongoDB - parse or build connection strings.

Connection Pool Sizing Calculator

Requests/sec and avg query time, via Little's Law, to a recommended pool size.

SQL Query Formatter

Paste a one-line SQL query - broken onto clauses with keywords uppercased.

Index Selectivity Estimator

Total rows and distinct values in a column to a selectivity score - will an index actually help.

Data Migration Risk Calculator

Row count, downtime tolerance, rollback complexity to risk level.

Runs entirely in your browser. Nothing is stored. Free forever.