21Relay utility
Confirmation Time Calculator
See illustrative confirmation windows based on Bitcoin’s approximate ten-minute average block interval.
Detail level
Guided mode keeps the decision focused. Advanced mode reveals extra assumptions.
Keep in mind: Block discovery is random and does not follow a fixed ten-minute timetable.
Confirmation target
Quick starts
Illustrative time window
Use this as a planning range, not a countdown
Optimistic illustration
15 minutes
Typical average
30 minutes
Slower illustration
1 hours
Current fee target
Not selected
Fee estimate affects likely block inclusion, not block discovery
A transaction can confirm sooner or much later than these examples. Never rely on this calculator for an exact deadline.
Open the Fee Estimator →Methodology, data and limits
- Block discovery is random and does not follow a fixed ten-minute timetable.
- Optimistic and slower ranges are illustrations, not statistical guarantees.
- A competitive fee can affect when a transaction enters a block, but cannot guarantee when a block is found.
Related utilities
Connected workflow
Plan an on-chain payment
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21Relay utilities are educational planning tools, not financial, tax or investment advice. Verify important decisions independently.
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