Free Tool

Newsletter Sponsorship Rate Calculator

Price a direct newsletter sponsorship based on your subscriber count, open rate, niche, and number of ad slots per send.

Newsletter details

Subscribers50k
Open rate40%
Ad slots1
Niche CPM benchmark

Estimated impressions per send: 20k

Conservative (floor)

$120

Recommended rate

$160

Premium (high demand)

$216

Direct sponsorship pricing should reflect actual impressions, not just subscriber count. A 50,000-subscriber newsletter at 40% open rate delivers roughly 20,000 impressions per ad slot — the number advertisers actually pay for.

This calculator uses niche CPM benchmarks: general ($3), B2B ($8), developer ($12), and finance ($15). Adjust up or down based on audience engagement, brand safety, and direct advertiser demand. MailAdx publishers can set floor CPMs in the Publisher Portal to enforce minimum rates automatically.

Automate sponsorship delivery

MailAdx handles pacing, impression tracking, and reporting for direct-sold deals.

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Setup in 30 minutes
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