Substack Revenue Calculator

    Substack takes 10% flat platform fee on paid subscription revenue. Stripe takes about 2.9% + $0.30 per recurring payment. Annual plans often have a discount you offer, like 15% off. Enter free subscriber count, paid monthly subscribers, monthly price, annual subscriber count, annual discount, and see gross monthly revenue, Substack fees, Stripe fees, net monthly, net annual projection, and blended revenue per subscriber.

    Best for

    Make the next pricing or planning decision with context

    Turn volume and rate assumptions into a revenue scenario for your Substack sales. It covers Substack newsletter revenue from free and paid subscribers — including monthly, annual plans, Substack's 10% fee, Stripe fees, and net take-home.

    Instant calculations · Editable fee assumptions · Export-ready results

    Inputs

    Values update results instantly. Adjust fee assumptions to match your seller dashboard.

    Your figures are saved in this browser on this device.

    Audience

    Total free subscribers (for conversion context, not billed).

    Paid subscribers

    Subscribers on monthly billing plan.

    Subscribers on annual plan.

    Pricing

    USD

    Monthly price per paid subscriber.

    %

    Discount vs 12× monthly price, e.g. 15%.

    Fees

    %

    Substack takes 10% flat.

    %

    Stripe percent, typically 2.9%.

    USD

    Fixed per charge, typically $0.30.

    Results

    Live estimates based on your inputs and editable fee assumptions.

    Gross monthly revenue (monthly subs)

    $960.00

    Monthly subs × monthly price.

    Annual subs monthly equivalent gross

    $235.20

    Annual revenue spread monthly.

    Total gross monthly

    $1,195.20

    Monthly + annual equivalent.

    Substack 10% fee monthly

    $119.52

    10% of total gross monthly.

    Stripe fees monthly

    $71.54

    Processing percent + fixed per sub.

    Total fees monthly

    $191.06

    Substack + Stripe.

    Net monthly revenue

    $1,004.14

    Gross minus all fees.

    Net annual projection

    $12,049.73

    Net monthly ×12 + annual net normalized.

    Free to paid conversion rate

    7.2%

    Paid / (free+paid).

    Net per paid subscriber

    $6.48

    Net monthly per paid sub.

    What this means

    Gross monthly $1195.20 (monthly $960.00 + annual equiv $235.20). Substack $119.52 (10%) + Stripe $71.54 = $191.06 fees, net $1004.14 monthly, $12049.73 annual projection. 155 paid of 2155 total = 7.2% conversion, $6.48 net per paid sub, effective fee 16.0%.

    Substack monthly revenue breakdown

    Interactive breakdown of fees, costs, and remaining profit.

    40%10%8%42%

    Distribution

    • Monthly subs
      $960.00
      40.2%
    • Annual equiv
      $235.20
      9.8%
    • Fees
      $191.06
      8.0%
    • Net
      $1,004.14
      42.0%

    Total $2,390.40 · 4 segments · interactive

    Line-item breakdown

    Dollar amounts, share of revenue, and visual proportion.

    Free subscribers
    2,000
    Paid monthly
    120
    Monthly price
    $8.00
    Monthly gross
    $960.00
    Annual subs
    35
    Annual price
    $80.64
    Annual gross total
    $2,822.40
    Annual monthly equiv
    $235.20
    Total gross monthly
    $1,195.20
    Total gross annual
    $14,342.40
    Substack fee monthly
    $119.52
    Stripe fee monthly
    $71.54
    Net monthly
    $1,004.14
    Net annual projection
    $12,049.73
    Conversion rate
    7.2%
    Net per paid sub
    $6.48

    Assumptions used

    • • Annual price $8.00×12×84% = $80.64
    • • Total gross monthly $960.00 + $235.20 annual equiv = $1195.20
    • • Fees Substack 10% $119.52 + Stripe 2.9% + $0.30×122.9 trans = $71.54
    Result ready

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    How it works

    Methodology & formulas

    This calculator is transparent by design. Review the steps and formulas so you can trust the estimate and adjust assumptions when your dashboard differs.

    Calculation steps

    1. 1Calculate annualPrice as monthlyPrice ×12 × (1-discount%)
    2. 2Gross monthly from monthly subs = paidMonthly × monthlyPrice
    3. 3Gross annual total = paidAnnual × annualPrice
    4. 4Annual monthly equivalent = grossAnnual ÷12
    5. 5Total gross monthly = monthlyGross + annualEquivalent
    6. 6Substack fee monthly = totalGrossMonthly × substack%
    7. 7Stripe monthly = totalGrossMonthly × stripe% + (paidMonthly + paidAnnual/12) × fixed
    8. 8Total fees = substack + stripe
    9. 9Net monthly = totalGrossMonthly - totalFees
    10. 10Net annual projection = grossMonthly×12 + grossAnnual - fees annual (substack 10% annual + stripe annual percent + paidAnnual×fixed)
    11. 11Conversion = totalPaid ÷ (free+totalPaid) ×100

    Formulas

    • AnnualPrice = monthly×12×(1-discount%)
    • MonthlyGross = monthlySubs × monthlyPrice
    • AnnualMonthlyEquiv = (annualSubs × annualPrice) ÷12
    • TotalGrossMonthly = monthlyGross + annualEquiv
    • SubstackFee = totalGross ×10%
    • Stripe = totalGross×2.9% + effectiveTransactions×$0.30
    • NetMonthly = totalGross - fees

    Important assumptions

    • Substack fee 10% flat on gross paid revenue
    • Stripe fee = gross ×2.9% + (monthly subs + annualSubs/12) × $0.30 simplified as monthly recurring charges — annual subscribers billed once yearly, but for monthly breakdown we divide annual processing
    • Annual price = monthlyPrice ×12 × (1 - annualDiscount%)
    • Monthly equivalent from annual subs = annualPrice × annualSubs ÷12
    • Net annual projection = netMonthly ×12; total gross annual = monthly×12 + annual×annualPrice
    • Free subscribers used only for conversion rate = totalPaid ÷ (free+totalPaid)

    Sources & review

    Know what this estimate is built on

    Use these official references to locate the policy, plan, or help details behind the editable inputs.

    Calculator model reviewed: August 9, 2026

    Use the current terms

    These official references are starting points for published policies, pricing, or help. They do not validate every default in this calculator. Rates, plans, eligibility, regions, and account terms can change, so compare the editable fields with your account before relying on the result.

    Defaults are editable estimates. Match them to your current account, provider statement, official authority, lender, or adviser before making a pricing or investment decision.

    Calculator model reviewed: August 9, 2026. This date covers the page and calculator guidance, not a guarantee that every live platform rate or term was re-audited on that date.

    Worked example

    Substack with 2000 free, 120 monthly, 35 annual

    2000 free, 120 monthly at $8, 35 annual with 16% discount, 10% Substack, 2.9% + $0.30 Stripe

    Monthly gross $960, annual price $80.64, annual total $2822.40, monthly equivalent $235.20, total gross monthly $1195.20. Substack fee $119.52, Stripe fee $1195.20×2.9%=$34.66 + (120+35/12≈122.92)×$0.30=$36.88 total $71.54, total fees $191.06, net monthly $1004.14, net annual projection $12049.71, free to paid conversion about 7.19%, net per paid 155 subs $6.48 monthly equivalent.

    FAQ

    Common questions

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