Sponsorship Rate Calculator
Know what to charge sponsors — based on your opens, niche, and placement type.
How this tool works
Enter your subscriber count, average open rate, niche, and placement type (primary sponsor vs secondary mention). The calculator returns a suggested rate range per send based on CPM-equivalent pricing used by newsletter ad marketplaces.
Primary placement (top of email, 100–150 words + link) commands full CPM. Secondary mention (mid-email, 50 words) runs at 40–60% of primary. Dedicated sends (entire email about the sponsor) price at 2.5–3× primary.
The rate range includes a floor (minimum you should accept) and ceiling (what top performers in your tier charge). Start at the midpoint for warm outreach; anchor at the ceiling when inbound brands approach you.
Pair the number with your media kit — advertisers buy audience engagement, not just subscriber count. Include your last 90-day open rate and 2–3 sample issues.
Methodology & benchmarks
- Base CPM by niche: Finance/B2B $35, Creator economy $20, Lifestyle $12, Tech $28. Adjusted by open-rate multiplier: <25% ×0.7, 25–35% ×1.0, 35–45% ×1.15, >45% ×1.3.
- List size tiers: under 1,000 (flat $50–$150/send), 1,000–5,000 (CPM × opens), 5,000–25,000 (premium +10%), 25,000+ (agency-style pricing, +20%).
- Placement multipliers: primary 1.0×, secondary 0.5×, footer 0.3×, dedicated 2.75×. Rates align with Paved and Swapstack public median deals (Q4 2025).
- Suggested range = midpoint ±20%. Below the floor usually means underpricing — it trains advertisers to expect cheap inventory and hurts the category long-term.
Frequently asked questions
How much should I charge for a newsletter sponsorship?
A 5,000-subscriber newsletter at 40% opens in a B2B niche typically charges $150–$300 for a primary placement. Use the calculator above for your specific numbers, then validate against 2–3 peer newsletters in your space.
What is the difference between primary and secondary placement?
Primary is the lead sponsor — top of the email, full paragraph, logo, and CTA link. Secondary is a shorter mention mid-email. Primary drives 3–5× more clicks; price accordingly.
Should I offer package discounts for multiple sends?
Yes. Offer 10% off for 3-send packages and 15–20% off for quarterly commitments. Packages improve cash flow and reduce your sales overhead — but cap at 2 sponsored sends per week to protect editorial trust.
How do I justify my rate to advertisers?
Lead with engaged opens (subscribers × open rate), not raw list size. Share click-through data from past sponsors, audience demographics, and content relevance. A smaller, engaged list outperforms a large, disengaged one.
When should I start pitching sponsors?
Start at 500–1,000 subscribers if your open rate is above 35%. Early sponsors are often indie tools and fellow creators. Build 2–3 case studies before pitching bigger brands.
Do I need a media kit before selling sponsorships?
Yes. Use our media kit template — include subscriber count, 90-day open rate, audience profile, ad formats, rates, and sample issues. Media kits increase close rates by 2–3× in cold outreach.