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Newsletter Sponsorship Calculator

Estimate newsletter sponsorship pricing based on subscribers, open rates, and CPM.

Your metrics

Click rate above 3% earns a 15% bonus

Rate estimate

Enter your subscriber count and open rate to calculate sponsorship pricing.

Newsletter Sponsorship Formula

Effective Readers = Subscribers × Open Rate
CPM Base = (Effective Readers ÷ 1,000) × CPM
Click Bonus = CPM Base × 0.15 (if CTR > 3%)
Per Send = (CPM Base + Click Bonus) × Ad Slots

Newsletter CPM benchmarks: General consumer $20–$40. B2B / business $40–$80. Finance / investing $50–$100. Tech / SaaS $40–$80. Health / wellness $25–$50.

Example Calculation

Business newsletter: 25,000 subscribers, 42% open rate, $50 CPM, 2 ad slots, sent 4× per month.

Effective readers = 25,000 × 42% = 10,500
CPM base = (10,500 ÷ 1K) × $50 = $525
Per send = $525 × 2 slots = $1,050
Monthly = $1,050 × 4 = $4,200

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Frequently Asked Questions

Disclaimer: These estimates are for planning purposes only and do not guarantee actual sponsorship rates, platform earnings, or brand deal outcomes. Always research your specific niche and negotiate based on your unique audience value.