The Profitable Growth Calculator
Two numbers. That's all you need to know exactly what each new customer costs you — and what it takes to scale.
Everything you spent on marketing in a set period — ads, flyers, social boosting, agency fees.
£
Where to find it: Add up your bank statement or business account for the period. Include Facebook/Google Ads, any printed materials, boosted posts, and fees paid to anyone helping with marketing.
The number of brand new customers who bought from you during that same period.
Where to find it: Check your sales records, invoices, or point-of-sale system. Count only first-time buyers — not repeat customers. If unsure, use your best estimate.
Enter your numbers above to see your results

