Tool · Outbound calculator

How many emails does it actually take to hit your number?

Revenue target and real conversion rates in. The email, meeting and inbox count you need out. Everything updates as you type.

Your numbers

What that requires

HeadlineCold emails you need to send per month—
Deals needed / year——
Opportunities needed——
Meetings needed——
Replies needed——
Emails needed / month——
Contacts / month——
Inboxes needed——
Sending domains——

A stack sized to those numbers

Data / contacts · — contacts a month to source and verify
Sending infrastructure · — inboxes across — domains, warmed
Reply handling · a shared inbox or your CRM’s sequence tool
Pick the stack →

House numbers we use everywhere

These five working numbers are ours, not vendor limits or benchmarks. Every play on this site uses them, so a plan on one page matches the math on the next. The calculator starts from them; change any of them if your setup differs.

At these numbers one inbox sends 630 emails a month, and one rep with 4 inboxes sends 2,520, which at 5 touches per contact is 504 new contacts. Reply, meeting and win rates are starting assumptions you should replace with your own. Why we use these numbers.

How this math works

The formulas, step by step
Deals needed = revenue target ÷ ACV.
Opportunities needed = deals needed ÷ win rate.
Meetings needed = opportunities needed ÷ meeting-to-opportunity rate.
Replies needed = meetings needed ÷ reply-to-meeting rate.
Emails needed per month = replies needed ÷ reply rate ÷ 12.
Contacts per month = emails per month ÷ touches per contact. Inboxes = emails per month ÷ (safe sends per inbox per day × sending days per month). Domains = inboxes ÷ inboxes per domain.
Each line is rounded up from the exact figure, not from the rounded line above it, so a line can differ by one from dividing the line above by hand. Example: with the starting numbers the calculator shows 84 deals but 417 opportunities, not 420 (84 ÷ 20%), because it divides the exact 83.3 deals by 20%.

Calculator questions, answered

How many cold emails do I need to send to hit my quota?

Divide your revenue target by your deal size to get deals, then work back through your win rate, meeting-to-opportunity rate, reply-to-meeting rate and reply rate. With the starting assumptions on this page, a $1M target needs about 6,614 emails a month.

How many inboxes do I need for cold email?

Emails per month ÷ (safe sends per inbox per day × sending days per month). At our house numbers of 30 sends per inbox per day and 21 sending days a month, 6,614 emails a month needs 11 inboxes.

How many sending domains do I need?

Inboxes ÷ inboxes per domain. At our house number of 2 inboxes per domain, 11 inboxes means 6 sending domains.

Are the default numbers benchmarks?

No. They’re starting assumptions so the calculator shows something useful on the first load. Replace them with your own numbers as soon as you have them.

Do you store the numbers I type?

No. The math runs in your browser. The only thing sent anywhere is your email, and only if you copy your results or ask for new plays by email.