What is the average email open rate for IoT industry?

The average email open rate for the IoT and technology industry is approximately 21–24% as of 2026. Segmented and personalised campaigns typically achieve 30–40% open rates.

Free Email Open Rate Calculator 2026

Q: What is a good email open rate?

A good email open rate depends on your industry. For IoT and technology sectors, an open rate of 20–25% is considered average, 25–35% is good, and above 35% is excellent. B2B emails typically see higher open rates than B2C.

Q: How do you calculate email open rate?

Email open rate is calculated by dividing the number of unique emails opened by the number of emails delivered (not bounced), then multiplying by 100. Formula: Open Rate = (Unique Opens ÷ Emails Delivered) × 100.

Q: Why is my email open rate low?

Low email open rates are usually caused by a weak subject line, poor sender reputation, sending at the wrong time, an unengaged list, or emails landing in spam. Improving subject lines and list hygiene are the fastest ways to improve open rates.

Free Email Open Rate Calculator — Enter Your Numbers

Emails Sent

Total emails in your campaign

Bounced Emails

Hard + soft bounces combined

Unique Opens

Each subscriber counted once

Unique Clicks (optional)

For click-through rate too

Your Industry

Industry	Avg Open Rate	Good Rate	Avg CTR
🔌 IoT / Smart Automation	22%	30%+	3.2%
💻 Technology / SaaS	21%	28%+	2.9%
🏭 B2B / Manufacturing	24%	32%+	3.8%
🏥 Healthcare / MedTech	25%	33%+	3.4%
💰 Finance / FinTech	23%	30%+	2.6%
📊 Marketing / Agency	19%	26%+	2.4%
📧 General / Other	21%	28%+	2.7%

Industry

Avg Open Rate

Good Rate

Avg CTR

🔌 IoT / Smart Automation

22%

30%+

3.2%

💻 Technology / SaaS

21%

28%+

2.9%

🏭 B2B / Manufacturing

24%

32%+

3.8%

🏥 Healthcare / MedTech

25%

33%+

3.4%

💰 Finance / FinTech

23%

30%+

2.6%

📊 Marketing / Agency

19%

26%+

2.4%

📧 General / Other

21%

28%+

2.7%

Free Email Open Rate Calculator — FAQs

What is a good email open rate?+

How do you calculate email open rate?+

What is the average email open rate for IoT?+

Why is my email open rate low?+

What Is a Free Email Open Rate Calculator for Marketers?

A free email open rate calculator for marketers is a tool that instantly tells you what percentage of your subscribers opened your email campaign — and how that compares to the industry average. Email open rate is calculated by dividing unique opens by emails delivered, then multiplying by 100.

For IoT and smart automation marketers, open rate is especially critical because your audience — engineers, CTOs, and tech decision-makers — receive dozens of emails daily. A strong subject line and a trusted sender name are the two biggest factors in whether your email gets opened or ignored in 2026.

This free email open rate calculator for marketers gives you an instant benchmark, a colour-coded verdict, and specific tips to improve your campaigns — all without signing up or paying anything.