Strategy & Planning

Cold Email Funnel Math: From Send to Close

Understand the numbers behind cold email campaigns. How many emails to send, expected replies, meetings, and closed deals.

5 min read

The Cold Email Funnel

Every cold email campaign follows a predictable funnel:

``

Emails Sent

↓ (Deliverability)

Emails Delivered

↓ (Reply Rate)

Replies

↓ (Positive %)

Positive Replies

↓ (Meeting %)

Meetings

↓ (Close Rate)

Closed Deals

``

Understanding each stage helps you set realistic expectations and identify bottlenecks.

The Numbers at Each Stage

Stage 1: Deliverability

Emails Sent → Emails Delivered

FactorTargetImpact
Bounce rate<3%97%+ delivery
Inbox placement>90%Effective delivery
Net delivery~85-90%Actual inbox reach
Example: 1,000 sent → 900 effectively delivered to inbox

Stage 2: Reply Rate

Emails Delivered → Replies

PerformanceRateFrom 900 Delivered
Below average1%9 replies
Average3%27 replies
Good5%45 replies
Excellent8%72 replies

Stage 3: Positive Replies

Total Replies → Positive Replies

Typical distribution of replies:

  • 50-60% positive (interested, questions, meeting requests)
  • 20-30% neutral (not now, send info)
  • 10-20% negative (unsubscribe, not interested)

Example: 30 replies → 18 positive, 6 neutral, 6 negative

Stage 4: Meetings

Positive Replies → Meetings Booked

ConversionRateWhy
Low30-40%Slow follow-up, weak process
Average50-60%Standard follow-up
Good70-80%Fast, professional follow-up
Example: 18 positive replies → 10-12 meetings

Stage 5: Close Rate

Meetings → Closed Deals

This varies dramatically by:

  • Deal size
  • Sales process complexity
  • Product/market fit

Deal SizeTypical Close Rate
<$5k20-30%
$5-20k15-25%
$20-100k10-20%
>$100k5-15%
Example: 12 meetings → 2-4 closed deals

Full Funnel Example

Starting point: 1,000 emails sent

StageConversionResult
Delivered90%900
Replied4%36
Positive55%20
Meeting60%12
Closed25%3
Result: 1,000 emails → 3 closed deals

Using Funnel Math for Planning

Question: "How many emails do I need to send to get 10 new customers per month?"

Calculation (using averages):

  • Need: 10 customers
  • Close rate: 25% → Need 40 meetings
  • Meeting rate: 60% → Need 67 positive replies
  • Positive rate: 55% → Need 122 total replies
  • Reply rate: 4% → Need 3,050 delivered
  • Delivery rate: 90% → Need 3,400 emails sent

Answer: About 3,500 emails per month, or ~170 per business day

Where to Focus for Improvement

BottleneckHigh-Impact Fix
Low reply rateBetter targeting, messaging
Few positive repliesStronger offer
Low meeting conversionFaster follow-up
Poor close rateSales process, qualification

Key Takeaway

Know your numbers at each stage. Small improvements compound: 1% better at each stage = significant more closed deals. Focus on your weakest stage first.

Put This Into Practice

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