Shafaat Choyon.
Free tools

Free tools for growth and health teams

48 free calculators, checkers and planning templates from 17 years of growth, brand and public-health work, arranged as two operating systems, one for growth teams and one for health teams, plus tools for teams putting AI into production. Free, no sign-up, and nothing you type leaves your browser.

New · Tool advisorNot sure where to start? Answer a few quick questions.Get a three-step plan using these tools, each one filled in with your numbers.Open the advisor →New · Growth Readiness ScoreHow ready is your growth engine? Fifteen questions, two minutes.A score out of 100, the stage holding you back, and the three tools to fix it first.Take the score →

Growth · Plan · 12

Growth · Plan

Market size (TAM, SAM, SOM) calculator

Bottom-up market sizing for a pitch, plan or new category, in dollars or taka.

01SOM = TAM × serviceable share × obtainable share
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Growth · Plan

Product-market fit survey

Score the "very disappointed" survey against the 40% line, with the margin of error and what to do next.

02Score = very disappointed ÷ all answers
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Growth · Plan

Share of voice (ESOV) calculator

Is your ad spend big enough to grow market share, or just to hold it?

03ESOV = share of voice − share of market
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Growth · Plan

Marketing budget planner

Set a budget from revenue and split it between brand building and activation.

04Budget = revenue × % · split brand : activation
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Growth · Plan

Revenue goal funnel planner

Work backwards from a revenue target to the customers, leads, visitors and budget you need.

05Visitors = revenue ÷ order value ÷ close rate ÷ lead rate
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Growth · Plan

Cash runway and burn calculator

Net burn, months of cash left, the month it runs out, and the growth or cost cut that gets you to break-even first.

06Runway = cash ÷ (costs − revenue)
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Growth · Plan

Fractional vs full-time cost calculator

A fractional CMO, COO or CFO against a full-time hire: the cost of each and the days a week where full-time wins.

07Fractional = day rate × days a week × 4.33 × months
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Growth · Plan

Consumer insight statement builder

Turn an observation into a usable insight with the human tension inside it.

08Observation + motivation + tension = insight
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Growth · Plan

Competitor positioning map

Plot your brand against rivals on two axes and spot the white space.

09Two axes · up to 6 brands · emptiest quadrant
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Growth · Plan

Brand positioning ladder

Climb from what you make to what you stand for, and write a positioning statement.

10Company → product → benefit → user → values
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Growth · Plan

Value exchange checker

Will people take part? Weigh what you ask of them against what they get back.

11Value exchange = what people get ÷ what you ask
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Growth · Plan

Creative brief builder

A one-page creative brief with a single-minded proposition, ready to copy or print.

12Problem → audience → insight → proposition → proof
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Growth · Execute by channel · 9

Growth · Execute by channel

Customer acquisition cost (CAC) by channel

Blended and per-channel CAC, so you can see which channel really brings customers cheaply.

13CAC = spend ÷ new customers
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Growth · Execute by channel

ROAS and break-even calculator

Did the campaign actually make money once margin and other costs are counted?

14Break-even ROAS = 1 ÷ gross margin
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Growth · Execute by channel

Reach and frequency planner

Budget and CPM in; impressions, GRPs, estimated reach and frequency out.

15Impressions = budget ÷ CPM × 1,000
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Growth · Execute by channel

Campaign pacing calculator

Are you overspending or underspending against plan, and what should daily spend be now?

16Pacing = spent ÷ (budget × days elapsed ÷ total days)
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Growth · Execute by channel

Social media engagement rate calculator

Engagement rate by followers and by reach, for a post or a whole month.

17Engagement rate = engagements ÷ followers (or reach) × 100
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Growth · Execute by channel

Content marketing scorecard

Rate your content program on eight essentials and get the top three fixes.

18Score = 8 essentials × 1 to 5
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Growth · Execute by channel

Content reuse planner

One essay, report or video in: a schedule of posts, clips and newsletters out, with the views each adds.

19Views added = pieces × views each
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Growth · Execute by channel

Marketing idea scorecard

Score an idea on seven tests and find the weakest link before you spend a cent.

20Score = sum of 7 tests (1 to 5) ÷ 35
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Growth · Execute by channel

Brand personality and tone of voice builder

Set six personality sliders and get a tone-of-voice guide with do and don't examples.

21Six spectrums → voice principles
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Growth · Measure and optimize · 13

Growth · Measure and optimize

Campaign measurement plan builder

Link communication, attitude, behavior and business effects with the right measures.

22Seen → felt → did → paid off
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Growth · Measure

Growth rate calculator

CAGR, the monthly rate behind it, where revenue lands in a year, and the rate a target needs.

23CAGR = (now ÷ start)^(12 ÷ months) − 1
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Growth · Measure and optimize

A/B test significance calculator

Is variant B really better, or is it noise? Confidence, lift and the sample you need.

24z = (pB − pA) ÷ √(p̄(1 − p̄)(1/nA + 1/nB))
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Growth · Measure and optimize

Marketing ROI calculator

Return on marketing investment based on incremental profit, not total revenue.

25ROMI = (incremental gross profit − cost) ÷ cost
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Growth · Measure and optimize

LTV to CAC ratio and payback calculator

Does each customer pay back what it cost to win them, and how fast? In dollars or taka.

26LTV = ARPU × margin × (1 − (1 − churn)T) ÷ churn
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Growth · Measure

Churn and retention calculator

Monthly churn, customers kept after a year, average lifetime and the revenue churn takes.

27Lifetime ≈ 1 ÷ monthly churn
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Growth · Measure

Recurring revenue bridge

New, expansion, downgraded and lost recurring revenue in one view, with net revenue retention and quick ratio.

28Quick ratio = (new + expansion) ÷ (contraction + churned)
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Growth · Measure and optimize

Customer journey mapper

From trigger to repeat purchase: map each stage, its barrier, and find the biggest leak.

29People at stage = previous stage × conversion
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Growth · Measure and optimize

NPS calculator

Net Promoter Score from your survey counts, with the margin of error most reports leave out.

30NPS = % promoters − % detractors
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Growth · Measure and optimize

Price increase calculator

How many customers can you lose after a price rise and still earn the same profit?

31Break-even volume change = −Δprice ÷ (margin + Δprice)
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Growth · Measure and optimize

Cash-pay price setter

The self-pay price at your target margin, against the insured rate and local cash prices, with monthly profit.

32Cash price = cost ÷ (1 − margin − payment cost)
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Growth · Measure and optimize

Break-even calculator

Units and revenue needed to cover your fixed costs, and your margin of safety.

33Break-even units = fixed costs ÷ (price − variable cost)
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Growth · Measure and optimize

Profit margin and markup calculator

Margin versus markup, and the price you need to hit a target margin.

34Margin = (price − cost) ÷ price · Markup = (price − cost) ÷ cost
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Health · Public health and systems · 5

Health · Population health · 4

Health · Health communication · 2

AI in production · 3

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