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Email Click-Through Rate Calculator

Computes CTR (clicks ÷ delivered) and CTOR (clicks ÷ opens). Surfaces which metric to focus on.

Click-through metrics
CTR (clicks/delivered)
4.50%
CTOR (clicks/opens)
15.00%
CTOR is more diagnostic of content quality. B2B sweet spot: 8-15%.
What it does

Standard email metric math. CTOR is more diagnostic of content quality; CTR conflates content with deliverability.

When to use

After campaigns. Comparing campaign-to-campaign performance. Diagnosing whether content or list quality is the issue.

FAQ

What's a good CTOR?+

B2B: 8-15% is healthy. Above 20% is exceptional. Below 5% suggests content-message mismatch.

You ran the math. Outsolvi makes it real.

Calculators tell you what the number should be. Outsolvi tells you what your number actually is — confidence-scored opens, real reply sentiment, live deal-level signal across Outlook and Gmail. From $7/user/mo yearly, 14-day free trial.

See it on your own inbox
Nate SummersCo-Founder, Outsolvi

Nate built Outsolvi after watching every email-tracking tool he had ever used lie to him about opens. Outsolvi runs Tier 1 to 5 confidence scoring on every open, native in Outlook and Gmail, so the number on the dashboard is one a rep can actually act on.

Last reviewed May 25, 2026Editorially independent

We update these pages when the underlying mechanics change — new mailbox-provider rules, new tracker behavior, new measurement gaps. The dates above are real revisions, not auto-touches.