What is a good email open rate benchmark?

Across industries, an open rate between 20% and 25% is healthy, though Apple Mail Privacy Protection can artificially inflate reported open counts.

What is an average Click-to-Open Rate (CTOR)?

A healthy CTOR ranges between 10% and 15%.

How does bounce rate impact deliverability?

Bounce rates above 2% can damage your sender domain reputation with Gmail and Yahoo; clean your list regularly.

Is this Email CTR, Open Rate & Conversion Calculator completely free to use?

Yes, the Email CTR, Open Rate & Conversion Calculator on Gronex.ai is 100% free forever. There are no fees, no subscriptions, no credit card requirements, and no usage limits.

Do I need to sign up or create an account to use this free tool?

No registration or account creation is required. You can use the free Email CTR, Open Rate & Conversion Calculator immediately in your web browser with zero signup.

Is my data private and secure when using this free online Email CTR, Open Rate & Conversion Calculator?

Yes. All processing runs 100% client-side directly in your browser. Your inputs and data never leave your device and are never stored on any server.

SEO & Marketing100% Free Tool

Free Email CTR, Open Rate & Conversion Calculator Online

Calculate email marketing Open Rate, Click-Through Rate (CTR), Click-to-Open Rate (CTOR), and unsubscribe rates for newsletter campaigns. — 100% free online utility, zero sign-up, zero paywalls, and private client-side processing.

100% Client-Side0ms Latency

Meta Title (44 chars / ~374px)Optimal Length (<600px)

Canonical URL

Meta Description (137 chars / ~155 optimal)Optimal Length

Google SERP Desktop Simulation

Gronex.ai›gronexai.com/tools/email-click-through-rate-calculator

Email CTR, Open Rate & Conversion Calculator

Calculate email marketing Open Rate, Click-Through Rate (CTR), Click-to-Open Rate (CTOR), and unsubscribe rates for newsletter campaigns.

How It Works

Enter Total Sent & Delivered

Input emails dispatched and bounce counts.

Enter Unique Opens

Input total unique subscribers who opened the email.

Enter Unique Clicks

Input total subscribers who clicked links inside the message.

Review Performance Scores

View Open Rate %, CTR %, and CTOR % with benchmark ratings.

Frequently Asked Questions

CTR = Clicks / Total Delivered Emails. CTOR (Click-to-Open Rate) = Clicks / Unique Opens. CTOR isolates the effectiveness of your copy and offer independent of subject line open rates.

Related SEO & Marketing Calculators & Utilities

Interlinked precision tools in the SEO & Marketing collection.

View all SEO & Marketing →

seo-marketingPopular

UTM Campaign URL Builder (Google Analytics 4 Compliant)

Generate standardized UTM tracking links for Google Analytics 4 (GA4). Eliminates capitalization mismatches and invalid characters.

Explore Tool

seo-marketingPopular

ROAS & Break-Even Ad Spend Calculator (Meta & Google Ads)

Calculate Return on Ad Spend (ROAS), break-even ROAS threshold, customer acquisition cost (CAC), and net marketing profit on ad campaigns.

Explore Tool

seo-marketingFree

Social Media Post Character & Truncation Counter

Check character counts, hashtag limits, and 'See More' truncation cutoffs for Twitter/X, LinkedIn, Instagram captions, and TikTok.

Explore Tool

seo-marketingPopular

Google SERP Simulator (Desktop & Mobile Pixel Preview)

Simulate exact Google desktop (600px) and mobile search result snippets. Check title tag truncation and meta description cutoffs.

Explore Tool

seo-marketingPopular

SEO Meta Tag Generator (HTML, OpenGraph & Twitter Cards)

Generate clean, validated HTML header tags including Title, Meta Description, Canonical, OpenGraph, and Twitter Card tags.

Explore Tool

seo-marketingFree

OpenGraph Previewer (Facebook, LinkedIn & Discord Share Card)

Preview how your links appear when shared on Facebook, LinkedIn, Discord, and Slack with accurate card dimensions and typography.

Explore Tool

Trending Across Other Categories

Stock Average Calculator (Buy The Dip)trading Position Size & Lot Calculatortrading Black-Scholes Options Pricing & Greeks Calculatortrading Portfolio XIRR & Trade Cashflow Calculatortrading