Email Open Rate Calculator
Calculate email open rates and benchmark against industry averages
Email Click-Through Rate Calculator
Calculate email click-through rate (CTR) and compare to industry standards
Email Conversion Rate Calculator
Calculate email-to-action conversion rates from clicks to desired outcomes
Email Unsubscribe Rate Calculator
Calculate unsubscribe rates and identify list health issues
Email List Growth Rate Calculator
Calculate email list growth rate accounting for new subscribers and unsubscribes
Email Campaign ROI Calculator
Calculate return on investment for email marketing campaigns
Email Revenue Per Subscriber Calculator
Calculate revenue generated per email subscriber on your list
Email Forward Rate Calculator
Calculate how often your emails are forwarded to new recipients
Email Complaint Rate Calculator
Calculate spam complaint rates and monitor sender reputation health
Email Read Time Calculator
Calculate average time spent reading your emails and engagement depth
Email Device Stats Calculator
Calculate email opens by device type (desktop, mobile, tablet)
Email Client Stats Calculator
Calculate which email clients (Gmail, Outlook, Apple Mail) your audience uses
Email Frequency Calculator
Calculate optimal email send frequency based on engagement and unsubscribe data
Email Subject Line Length Calculator
Calculate optimal subject line length for different devices and preview scenarios
Email Send Time Optimizer
Calculate best send times based on historical open and engagement data
Automate Your Email Marketing Calculators
These free tools are great for quick checks. FirstSales automates your entireemail marketing calculators workflow with AI-powered personalization.
FAQ
Frequently Asked Questions
Learn how Firstsales protects your domain, lands emails in inboxes, and turns cold outreach into revenue—everything in one place.
Yes, 100% free. All tools in this category work without signup, email capture, or payment. We provide these free tools to demonstrate expertise and help sales teams succeed.
Our tools check live data and query relevant services in real-time. Results are accurate at the time of checking, but remember that some metrics and statuses can change frequently.
Yes, all tools are free to use for both personal and commercial purposes. Sales teams, agencies, and businesses worldwide use our tools daily.
No account required. Simply navigate to any tool and start using it immediately. For advanced features and team management, consider creating a free FirstSales account.