Calculators

Use it when

You want to know if your business, or the idea you are about to launch, will still matter tomorrow.

What you enter

Ten honest questions, answered about the business as it is today or as you plan to launch it.

What you get

A score out of 100, and which part of your business is the weakest link.

Use it when

You want to know what one customer costs you to win, and what that customer is worth.

What you enter

This month's marketing and sales spend, new customers won, average order value, gross margin, purchases per year, and years a customer keeps buying. Not launched yet? There is a mode for that.

What you get

Your CAC, your LTV, the ratio between them, the payback period, and a verdict.

The Business Idea · 5 calculators

Use it when

You have a list of ideas and need to choose one.

What you get

Your idea list checked, your top five problems ranked, your edge tested on each, and a one-line pitch.

The Market · 13 calculators

Use it when

You are deciding whether a market is big enough, open enough and right for you.

What you get

Market size worked out two ways, a primary research tracker, a wave-or-ripple trend score, a competitor grid, a moat score and a pricing gap test.

The Magnet · 15 calculators

Use it when

You want to know what it really costs to win a customer, and which channel works.

What you get

Your CAC overall and by channel, a funnel, a headline builder, a cold email, a positioning sentence and a rented-versus-owned channel check.

Worth Building · 13 calculators

Use it when

You are about to build or price something and want proof it is worth it.

What you get

Funnel and friction, retention, a cost-based price against a value-based price, lifetime value, what a discount really costs, and landed cost.

The Price Code · 16 calculators

Use it when

You are setting a price, or thinking of changing one.

What you get

Cost sheet and break-even, markup against margin, an hourly rate that pays, rise or cut, a discount check, a channel waterfall, platform commission, a test sizer and a one-page price sheet.

The Founder’s Challenge · 23 calculators

Use it when

Cash is tight, or you want to know how much trouble you could take.

What you get

Break-even, burn trend, receivable days, cash triage, a risk map, a stress test, a buffer check and a 13-week cash view.

Use it when

You want to know how long your cash will last.

What you enter

Monthly expenses, monthly revenue, cash in the bank, and your recent net burn.

What you get

Burn rate, runway, break-even, a 3-month cash snapshot and a survival verdict.

Use it when

You run a subscription business and want to see what losing customers really does.

What you enter

Customers today, average monthly revenue per customer, and new customers added each month (optional).

What you get

Month-by-month results for any churn rate you test.

Use it when

You are thinking of a markdown and want to know what it really costs.

What you enter

Current price, direct cost per unit and monthly sales volume.

What you get

How many extra sales you need just to break even on the discount.

Use it when

You want to offer Basic, Pro and Premium plans and see the money before you launch.

What you enter

Your cost per unit, fixed costs, the three prices and your customer mix.

What you get

Margin, break-even and total revenue, updating live as you change each price.

Use it when

You are about to print a “Buy X, Get Y free” poster and want to know what it really costs.

What you enter

Your cost price, your normal selling price, the offer you have in mind and how many customers you expect.

What you get

The discount hidden in the offer, units given away, your real margin per unit and the total extra cost.

Use it when

You want to see what happens if your biggest customer walks away tomorrow.

What you enter

Your total monthly revenue and your top customers.

What you get

A picture of how concentrated your income is, a verdict, and what to do about it.

Use it when

You are wondering whether you need a co-founder, or something else.

What you enter

An honest 1 to 10 score for your confidence in four core functions, then the equity and control you would share.

What you get

Your capability shape, what a partner really costs in equity and money, the pros and cons, and a verdict.

Use it when

You want an honest early read on your own burnout risk.

What you enter

Eight questions on workload, recovery, isolation and momentum.

What you get

A score and a result. A reflection tool, not a medical assessment.