01 / Calculator
Annual cash commitment planner
Compare cash set aside with the remaining cost of delivering an annual reader promise.
Open the calculatorThe toolkit / 15 ways into the numbers
A working desk
for your next decision.
Turn the research into a scenario, a price, or a better question. Bring your own numbers. Keep the assumptions visible.
Find a first experiment
The working desk / 0036Make an assumption.
Follow the calculation.
Follow the calculation.
10 Live calculators04 Guided worksheets01 Model comparisonLocal calculations · No account needed
Choose the question in front of you
From research to workings.
15 tools
02 / Calculator
Reader-offer result comparison
Compare kept-purchase rates using explicit exposure counts, refunds and a common cutoff.
Open the calculator03 / Calculator
Monthly contribution
Follow the revenue through cash costs and the value of your time.
Open the calculator04 / Calculator
RPM & eCPM translator
See how the same revenue changes when the denominator changes.
Open the calculator05 / Calculator
Ad inventory forecast
Trace pages into requests, filled impressions and publisher contribution.
Open the calculator06 / Calculator
Sponsorship price floor
Work back from delivery costs, sales fees and a target contribution margin.
Open the calculator07 / Calculator
Subscription runway
Model paying members, monthly churn and the cost of keeping the promise.
Open the calculator08 / Calculator
Affiliate unit economics
Turn visits, clicks, purchases and reversals into a transparent scenario.
Open the calculator09 / Calculator
Revenue mix stress test
Reduce one revenue stream and see what happens to the whole month.
Open the calculator10 / Calculator
Cash timing planner
See the cash gap between earning revenue and receiving the payment.
Open the calculator11 / Guided selector
Pick a first revenue experiment
Choose a starting experiment from the asset, capacity, and priority you actually have.
Open the worksheet12 / Working checklist
Sponsor preflight
Prepare a proposed sponsor placement before it becomes a delivery promise.
Open the worksheet13 / Working checklist
Trust review
Map the commercial and data decisions that readers, partners, and reviewers need to understand.
Open the worksheet14 / Working checklist
Content planner
Plan a useful publishing piece around a reader decision, evidence, distribution, and maintenance.
Open the worksheet15 / Comparison
Revenue model comparison
Compare who pays, the work promised, payment timing and the first evidence to collect.
Open the comparisonNo tools match.
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The method comes with the tool.
Example inputs are invented, not earnings forecasts or market rates. Every calculator explains its equations. Every worksheet links to the underlying guides. Inputs stay in this tab unless you choose to download them; download anything you want to keep before refreshing or leaving.
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