Lead Volume Capacity Planner
Enter your revenue target, average deal size, and conversion rates — and get the exact number of SDRs, mailboxes, domains, and monthly budget needed to hit your goal, with a ramp timeline.
Reverse-engineer your outreach: Enter your revenue target and conversion rates — the calculator works backwards to show exactly how many emails, mailboxes, and domains you need.
Your Goals & Rates
Monthly Funnel
25
9
3 mailboxes / domain
$75
infrastructure only
1
@ 50 mailboxes each
3 weeks
incl. warm-up
Now you know the numbers. coldBirds provisions the exact infrastructure — mailboxes, domains, IPs, DNS, warmup — so you can focus on closing deals.
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Mailbox Calculator
Calculate exactly how many mailboxes and domains you need to hit your cold email targets.
ROI Calculator
Calculate your cold email ROI — cost per meeting, cost per reply, monthly returns and payback period.