B2B Outbound ROI Calculator

How to read these numbers

The calculator shows two things: opportunities created (total pipeline value before close rate) and revenue won (what you actually close). Watch the pipeline number grow month over month - that is your leading indicator.

Revenue won lags pipeline by your sales cycle length. For email outbound, expect closer to month 6 before real revenue shows up. That is not failure - that is how outbound math works.

Benchmarks worth knowing

These are real-world averages, not aspirational numbers. Top performers beat them through tight ICP targeting, strong messaging, and continuous optimization.

The warmup reality most people skip

New sending domains cannot send at full volume from day one. A fresh domain blasting 35 emails/day immediately is a fast path to spam folders.

• Weeks 1-2: Zero sends. DNS setup, warmup tool running
• Week 3: ~10 emails/mailbox/day
• Week 4: ~15 emails/mailbox/day
• Month 2: Gradual ramp, 15-25/day
• Month 3+: Full volume (up to 35/mailbox/day Mon-Fri)

What this calculator does not tell you

The numbers are only as good as your targeting and messaging. It cannot tell you whether your ICP is right or your subject lines are compelling. Those variables move the needle more than adding another mailbox.

Use this tool to set realistic expectations, pressure-test your assumptions, and figure out how much infrastructure you need before spending money.

Want help building the actual system?

GTM Works designs and runs B2B outbound systems built on Apollo.io and HeyReach - from ICP strategy through infrastructure setup, sequence copywriting, and ongoing optimization.

• Cold email infrastructure setup (domains, mailboxes, warmup)
• Apollo.io instance setup, scoring models, and sequences
• LinkedIn outreach via HeyReach
• Ongoing managed outreach with full reporting