Marketing math, done properly.
66 free measurement and planning tools for online and offline campaigns. Each one shows more than one way to arrive at the answer, names its sources, and runs instantly in your browser. No signup, no data collection.
61 tools live · 5 in preview · methodology documented on every page · media rates library: 372 published rates
AI-Era Measurement
Visibility and impact in the age of AI answers.
AI Brand Visibility Checker previewCheck whether ChatGPT, Gemini and Perplexity mention or recommend your brand for the topics you care about.GEO Content ScorerScore a page 0–100 on AI-answer readiness using the optimization factors tested in the GEO research.AI Overview CTR Impact EstimatorEstimate the organic clicks and revenue you lose when Google AI Overviews appear on your keywords.AI Share of Voice Snapshot previewTrack your brand versus competitors across AI assistant answers, with position-weighted share of voice.
Channel Cost & Pricing
Neutral cost math on official rates and published benchmarks.
WhatsApp Business API Pricing CalculatorNeutral WhatsApp API cost math on Meta's official per-message rates, plus the BSP markup most calculators hide.CTV Ad Budget PlannerTurn a CTV budget into estimated impressions, households and reach — across platforms, with no vendor agenda.Social Media Ad Cost EstimatorBudget to impressions, clicks and CPC using current platform CPM benchmarks.SMS Cost Calculator & Segment CounterLive segment counting on the real GSM-7 / UCS-2 encoding rules, and campaign cost from segments — not characters.Podcast Sponsorship Pricing CalculatorFair podcast sponsorship pricing from downloads and placement — the buyer-side math.Newsletter Sponsorship Pricing CalculatorPrice a newsletter sponsorship from list size and audience type, on both subscriber-CPM and per-placement bases.Retail Media ACoS & ROAS ComparatorACoS, ROAS and TACoS from one set of inputs — with the attribution caveat every retail media comparison needs.
Ad Metrics & Unit Economics
The numbers every paid campaign lives or dies by.
Break-even ROAS CalculatorYour true break-even ROAS from the full margin waterfall — price, COGS, shipping, fees and returns.CAC, LTV & Payback CalculatorCAC, two LTV models, LTV:CAC and payback months in one pass — with the simple-vs-discounted spread shown honestly.CPM CalculatorSolve any corner of the CPM triangle: cost, impressions or CPM from the other two.CPC, CPA, CTR & CVR CalculatorThe core ad metrics from one set of campaign numbers: CPM, CPC, CPA, CTR and CVR together.ROAS, MER & POAS CalculatorThree efficiency reads on the same campaign: platform ROAS, blended MER and profit-based POAS.Email Marketing ROI CalculatorEmail ROI two ways: the simple ratio on actuals, and a full-funnel forecast from list size to revenue.Marketing ROI CalculatorCampaign ROI on both the revenue basis marketers quote and the profit basis finance accepts.Conversion Rate & Uplift CalculatorConversion rates, absolute and relative uplift between two variants — plus whether the difference is real.
Planning & Strategy
Budgets, reach and share-of-voice math from the planning classics.
Share of Voice & ESOV CalculatorSOV, excess share of voice and the Binet-Field growth math — the strategy calculator that has never existed as a free tool.Marketing Budget CalculatorSet a marketing budget four defensible ways: revenue percentage, profit-optimal, and share-of-voice based.Reach & Frequency CalculatorReach from GRPs three classic ways: the planning identity, Agostini's curve and Sainsbury's cross-media combination.Marketing Plan Generator previewTurn a short brief into a structured marketing plan draft.
Testing & Measurement
Significance, sample sizes and signal loss, minus the statistics degree.
A/B Test Significance CalculatorFrequentist and Bayesian reads on the same test, side by side — z-score, p-value and probability-to-beat-control.Incrementality Holdout Sample Size CalculatorPlan a holdout or lift test in plain language: how big each group must be to detect the lift you care about.iOS Signal Loss EstimatorHow much of your iOS conversion signal survives ATT — deterministic, modeled and missing.
Creator Economy
Rates, engagement and earnings — both sides of the deal.
Influencer Rate CalculatorFair influencer rates four ways — per-follower CPM, reach-based, engagement-based and the old heuristic — with the spread shown, not hidden.Engagement Rate CalculatorThe same post scored four ways — by followers, reach, impressions and views — because the denominator changes the answer by 60%.Earned Media Value (EMV) CalculatorEMV computed properly (additive, never multiplied) — shipped with the industry counter-argument attached.UGC Pricing & Budget CalculatorBrand-side UGC budgeting: base rates, usage rights, whitelisting and exclusivity — priced the way contracts actually stack.Creator Earnings CalculatorWhat views actually pay on YouTube long-form, Shorts and TikTok — with viewer-geography adjustment.Creator Media Kit Generator previewTurn your stats into a clean shareable media kit.
Out-of-Home
Billboard and DOOH math that is usually locked inside enterprise tools.
Billboard Cost & OOH CPM CalculatorOOH cost math with the CPM triangle plus attention-adjusted comparison — the layer enterprise tools keep gated.OOH Impressions EstimatorTraffic counts to impressions three ways: classic DEC, visibility-adjusted, and hourly manual counts.DOOH Share of Loop CalculatorDigital OOH loop math that only enterprise platforms compute: share of voice, plays, price and true exposure probability.OOH vs Digital Equivalence PlannerPut an OOH buy and a digital buy on the same denominators: audience CPM and attention cost.
Traditional Media
GRPs, radio and print math that still runs real budgets.
GRP / TRP CalculatorBroadcast planning math: GRPs from ratings or impressions, CPP and CPM in one place.Radio Advertising Cost CalculatorRadio campaign cost from spot rate, frequency and flight length.Print Ad Cost & Reach EstimatorReadership and CPM from circulation — the print math nobody puts in a calculator.
Events & Sponsorship
Valuation, ROI and pricing for the offline world nobody built calculators for.
Sponsorship Valuation CalculatorMedia-equivalent sponsorship value with the multiplier stack made explicit — conservative, selected and aggressive, side by side.Sponsorship Package Pricing BuilderProperty-side package pricing: disaggregate, bundle, add exclusivity — and see the tier splits benchmarks suggest.Event ROI CalculatorEvent ROI with the attribution step most calculators skip — because claiming 100% of pipeline is how events lose credibility.Event Break-even Ticket Price CalculatorMinimum viable ticket price from costs, capacity and sponsorship — plus the attendance you need at a price you pick.Product Sampling Campaign CalculatorThe FMCG sampling funnel nobody built a calculator for: samples to trials to repeat revenue to honest ROI.Event Social Amplification CalculatorQuantify the multiplier events earn beyond the room: shares, reach, clicks and pipeline from attendees.Trade Show ROI CalculatorBooth economics on CEIR math: cost per lead, potential pipeline and hard ROI.Event Budget & Cost Per Attendee CalculatorFull event budget with contingency, plus all-in and sponsorship-adjusted cost per attendee.Footfall Lift CalculatorDid the activation actually move traffic? Lift versus baseline, done the way measurement teams do it.
India Toolkit
Structure and seasonality math for India media planning, in rupees.
India Influencer Rate Calculator (INR)Influencer rate ranges in rupees, built on the same three-model math with India-market inputs.India OOH Budget CalculatorStructure your India OOH budget honestly: your quoted rates in, seasonality and totals out — no vendor inventory bias.India Cinema Advertising Cost EstimatorCinema campaign math for India: screens, weeks and admits to cost and CPM — aggregating what rate cards leave scattered.IPL Advertising & Sponsorship Cost CalculatorIPL sponsorship math with verified 2026 anchors: cost per match and CPM against cumulative reach.Festival Season Marketing PlannerFestival-season budget escalation, quantified: what Diwali, IPL and wedding-season premiums do to your plan.Wedding Season Marketing PlannerBudget math for India's wedding-season advertisers: jewellery, venues, fashion and F&B.
Utilities
Small tools you will use every week.
UTM BuilderClean UTM links with consistent conventions — lowercase, no spaces, no parameter typos.Ad Character Counter & Specs CheckerLive character counting against current platform limits — the spec sheet that stays updated.Video Script TimerWords to seconds at real voiceover pace — and how many words fit your 15s, 30s or 60s cut.Email Subject Line TesterInstant subject-line scoring on the factors that move opens: length, spam triggers, specificity and casing.Ad Mockup Previewer previewSee your copy and creative in realistic feed mockups before spending.Landing Page AnalyzerScore a landing page 0–100 on the ten CRO factors that actually move conversion.
Patent-Inspired Concept Demos
Educational illustrations of methodologies referenced in published patent literature — simplified teaching tools, not reproductions of any patented system. See the methodology note on each page.
Shapley Value Attribution (Concept Demo)See how Lloyd Shapley's 1953 game-theory formula splits credit across channels by marginal contribution — worked on a toy 3-channel example.RFM Segment LTV (Concept Demo)See why segmenting customers by recency/frequency/value before estimating churn beats one blended LTV number for the whole base.Demand-Paced Price Flex (Concept Demo)See the sell-through-pace logic behind dynamic event-ticket pricing — compare how fast you're selling to how much time has elapsed, and get a dampened price-flex suggestion.Adstock & Saturation Curve (Concept Demo)See the two-step transform behind media mix modeling — advertising carryover (adstock) feeding into a diminishing-returns saturation curve — and why doubling spend never doubles reach.Share of Search (Concept Demo)See your brand's share of category search interest against up to three competitors, and how it compares to your current market share — a leading indicator popularised by Les Binet's WARC research.Sender Reputation Score (Concept Demo)See how complaint rate, bounce rate, unsubscribes and opens combine into a composite deliverability signal — the concept behind inbox-placement scoring, on a transparent illustrative formula.