How often should you email your list?

It depends on your industry, audience, and goals — which is exactly what this calculator helps you work out. As a general rule, most businesses see the best results sending 2–8 emails per month. B2B audiences tend to prefer less frequent, higher-value emails (around 2–4/month), while B2C audiences are more comfortable with higher frequency. The key is consistency: showing up reliably matters more than how often you show up.

Yes, if you overdo it. As frequency increases, open rates typically decline because subscribers get fatigued. The trick is finding the point where you’re sending enough to stay top of mind without pushing people to unsubscribe. This calculator uses real benchmark data to help you find that balance for your specific situation.

Anything below 0.3% is considered healthy. The 2025 industry average is 0.22%. If your unsubscribe rate climbs above 0.5%, it’s usually a sign that you’re either sending too often, to the wrong people, or with content that isn’t landing. The good news: these are all fixable with the right adjustments.

Yes — it’s actually a great place to start. Select your industry, your audience type, and your main goal, and you’ll get a recommended starting frequency backed by real data. Once you’ve been sending for a few months, come back and update your unsubscribe rate to refine the recommendation.