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Cold email reply rate calculator

Enter one campaign and see its reply rate against every denominator in common use. Most benchmark disagreements disappear once both sides state which number they mean.

Campaign numbers

Total attempts, including bounces

Hard and soft bounces

People, not sends

Optional, and unreliable since 2021

All replies, including negative

Replies that continued the conversation

Same campaign, five denominators

Replies per email sent
0.96%
Replies per delivered email
0.99%
Replies per unique recipient
0.96%
Replies per unique open
2.53%
Positive replies per email sent
0.32%

Delivered is calculated as sent minus bounced. Open-based rates are shown for comparison only, because open tracking has been unreliable since mail privacy features began pre-fetching images.

Nothing you enter leaves your browser. For the sources behind published averages, see the reply rate benchmarks, and for the definition see cold email reply rate.