Free Email Marketing Tool
Email Send Time Estimator
Estimate campaign sending duration, batch intervals, daily capacity, and delivery schedule for bulk email marketing.
Planning note: This calculator estimates timing only. Always follow your SMTP/ESP sending policy and anti-spam rules.
Total emails
0
Batches
0
Duration
0 min
Days needed
0
Hourly rate
0/hr
Risk level
Low
1. Campaign Sending Inputs
Enter your list size and sending rules to estimate campaign duration.
min
emails/min
2. Schedule Window
hours/day
Campaign Summary
Enter campaign values to generate summary.
Batch Schedule Preview
| Batch | Start | Emails | Cumulative |
|---|---|---|---|
| No schedule yet. | |||
Preview shows up to the first 100 batches for browser performance.
Recommended Sending Strategy
About Email Send Time Estimator
Email Send Time Estimator helps marketers plan campaign delivery windows, batch sizes, throttling intervals, and daily sending limits before launching bulk campaigns.
Common use cases
- Estimate how long a campaign will take to send.
- Plan batch intervals to avoid sending too fast.
- Calculate daily capacity based on ESP or SMTP limits.
- Create a schedule preview for email marketing operations.