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Cloudflare Workers KV Pricing Calculator
Workers KV is a global, low-latency key-value store built for Cloudflare Workers. Data is cached at all of Cloudflare's 300+ edge locations for fast reads worldwide. KV is ideal for configuration data, feature flags, user sessions, and any read-heavy workload where eventual consistency is acceptable.
Workers KV
Global key-value storage
Free ~3M reads, ~30K writes, 1 GB · Paid 10M reads, 1M writes, 1 GB incl.
Free: ~3M reads/month, ~30k writes/deletes/lists per month, and 1 GB storage.
Workers Paid: 10M reads/month, 1M writes/deletes/lists, and 1 GB included before overage.
Cost Breakdown
Reads$0.00
Writes$0.00
Deletes$0.00
Lists$0.00
Storage$0.00
Subtotal $0.00
Workers KV Pricing Breakdown
Free
- ~3 million reads per month (100K/day)
- ~30,000 writes per month (1K/day)
- 1 GB storage
Workers Paid ($5/mo)
- 10 million reads per month included
- 1 million writes per month included
- 1 GB storage included
- $0.50 per additional million reads
- $5.00 per additional million writes
- $0.50 per additional million deletes
- $5.00 per additional million list operations
- $0.50 per additional GB storage
Frequently Asked Questions
How much does Workers KV cost?
KV is free for ~3 million reads, ~30,000 writes, and 1 GB storage per month. On Workers Paid ($5/mo), you get 10 million reads and 1 million writes included, with per-million overage rates.
Is Workers KV eventually consistent?
Yes. KV is designed for read-heavy workloads with eventual consistency. Writes propagate globally within about 60 seconds. If you need strong consistency, consider Durable Objects or D1.
What are the size limits for KV values?
Each KV value can be up to 25 MiB. Keys can be up to 512 bytes. There's no limit on the number of keys in a namespace, though the total storage counts toward your plan's storage allowance.