Free Tools — GRIFFAIN
Tools

Free tools

Arithmetic on your numbers, not ours

Three calculators. Each runs entirely in your browser, stores nothing and asks for no email. None of them multiplies your inputs by a flattering industry statistic — every number in the output comes from a number you entered.

By ·

The calculators

ToolAnswers
Lead Response ROI CalculatorWhat unanswered and slowly answered enquiries cost you per year
Markup vs Margin CalculatorWhat to charge for a target margin, and what your current markup actually keeps
Client Acquisition Cost CalculatorCost per lead, per booked appointment and per customer, with the payback ratio

Want the measured version rather than the estimated one? The free diagnostic submits your own form and calls your own number, then reports what actually happened.

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