Cloudflare Durable Objects Pricing Calculator
Durable Objects provide strongly consistent coordination and storage for Cloudflare Workers. Each Durable Object is a single-threaded actor with its own embedded SQLite database, ideal for real-time collaboration, session management, rate limiting, and game state. They also provide first-class WebSocket support with efficient message billing.
Durable Objects
Stateful Workers backed by SQLite with WebSocket support
Free ~3M req/mo, ~390K GB-s · Paid 1M req, 400K GB-s incl.
Compute
Free: ~3M requests/month and ~390K GB-s/month.
Workers Paid: 1M requests/month and 400K GB-s/month included before overage.
WebSockets
Incoming messages are billed at a 20:1 ratio (20 messages = 1 billed request). Outgoing messages and protocol pings are free.
Storage (SQLite)
Free: ~150M rows read/month, ~3M rows written/month, and 5 GB storage.
Workers Paid: 25B rows read/month, 50M rows written/month, and 5 GB included before overage.
Cost Breakdown
Durable Objects Pricing Breakdown
Free
- ~3 million requests per month
- ~390,000 GB-seconds per month
- ~150 million rows read per month
- ~3 million rows written per month
- 5 GB storage
Workers Paid ($5/mo)
- 1 million requests per month included
- 400,000 GB-seconds per month included
- 25 billion rows read per month included
- 50 million rows written per month included
- 5 GB storage included
- $0.15 per additional million requests
- $12.50 per additional million GB-seconds