Marketing calculators that give you an answer
Ten free tools for campaign planning and reporting. No signup, no spreadsheet, nothing uploaded — every number is computed in your browser.
UTM Link Builder
Build campaign-tagged URLs with GA4-safe source, medium and campaign values.
📈ROAS Calculator
Return on ad spend, ACoS, profit and the break-even ROAS your margin needs.
💰CPC / CPM / CTR Calculator
Solve any ad metric from spend, impressions, clicks and conversions.
🧪A/B Test Significance
Two-proportion z-test so you stop calling a winner on 40 clicks.
👥CAC & LTV Calculator
Acquisition cost, lifetime value, their ratio and CAC payback period.
📅Ad Budget Planner
Work backwards from a revenue goal to the budget that delivers it.
🎯Conversion Rate Calculator
Conversion rate, target planning and significance between two variants.
❤️Engagement Rate Calculator
Engagement by followers, reach or impressions for four platforms.
🏷️Margin & Markup Calculator
Margin, markup, break-even volume and the price for a target margin.
💵AdSense Earnings Calculator
Estimate publisher revenue from pageviews, RPM, CTR and CPC.
Why calculators instead of another marketing blog
People searching for "ROAS calculator" or "how to build a UTM link" want an answer, not an essay. A tool page satisfies that intent immediately, and because the calculation happens in the browser it keeps working even when AI summaries take over informational search results. That is why tool traffic is more durable than article traffic.
Who uses these
- Performance marketers — sanity-check ROAS, CAC and budget pacing before a client call.
- Ecommerce owners — find break-even ROAS and decide whether scaling is safe.
- Agencies and freelancers — turn raw platform numbers into a report in seconds.
- Publishers — project ad revenue and test whether an A/B result is real.
Private by default
Every tool runs locally in your browser tab. Your spend, margins and revenue figures are never uploaded anywhere, so you can paste real client numbers without worry.