Firebase Firestore pricing

• Hard capSpark (free quota) stops at its limits rather than billing more.
• Daily capSpark (free quota) allows 50K rows per day (database rows read).
• Daily capSpark (free quota) allows 20K rows per day (database rows written).

At the limit

Stops at the limit

Limits

• Database storage: 1 GB1 GiB of stored data
• Database rows read: 50K rows a dayDocument reads
• Database rows written: 20K rows a dayDocument writes
• Database data transfer: 10 GB a monthOutbound data transfer

• Also 20,000 document deletes a day. The daily quotas reset around midnight Pacific time.
• Only one free database per project, and only the default database gets the free quota.
• Needs no payment method on the Spark plan.

Source: cloud.google.com · checked 19 October 2026

At the limit

Bills for extra usage

Usage pricing

• Database rows read: $0.03 per 100K rows (above 1.5M rows)
• Database rows written: $0.09 per 100K rows (above 600K rows)
• Database storage: $0.15 per GB (above 1 GB)
• Database data transfer: $0.12 per GB (above 10 GB)

• Prices are the page's default location table. Other regions cost more or less.
• The free quota is daily (50,000 reads and 20,000 writes). This estimate spreads it over 30 days, so 1.5M reads and 600K writes a month.
• Stored data is listed at $0.000205479 per GiB-hour, about $0.15 a month.
• Deletes ($0.01 per 100,000), backups and point-in-time recovery are not in this estimate. You are charged for index entry reads too.

Source: cloud.google.com · checked 19 October 2026