Marketing calculators, powered by the Index
No sign-up. Each tool scores you against real UK small-business benchmarks and shows the gap.
Hours AI could save you
See the yearly cost of your marketing time, and how much AI hands back.
Open → CalculatorCost per lead and ROI
Turn ad spend into leads, customers and return, by channel.
Open → GraderPosting consistency grade
Grade your posting cadence against the recommended benchmark.
Open →Or skip the maths and let GrowFleet do it
The tools show the gap. GrowFleet closes it: it makes the content, schedules it and runs the numbers for you.



Reading the benchmark is step one. Beating it is step two.
GrowFleet is the done-for-you AI marketing engine behind this data: it researches, writes, designs, edits video and runs the ads for UK small businesses, then waits for your one-tap approval. From £149 a month.