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Tools / Cost per lead

Cost per lead and ROI calculator

Turn a monthly ad budget into leads, customers, revenue and return, using benchmark cost-per-lead by channel.

Benchmark cost per lead is applied automatically. Converted from US all-industry data (Meta, Google) and B2B data (LinkedIn) at about $1.27 to £1, so treat it as a guide.

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Estimated revenue

Benchmark cost per lead-
Leads-
Customers-
Return on ad spend-
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Sources
  1. Markel Direct survey (Censuswide, n=501 UK small business owners and tradespeople) (2026) – source
  2. ONS Annual Survey of Hours and Earnings (ASHE) 2025 (2025) – source
  3. Simply Business, 2026 SME Insights Report (1,842 UK small business owners) (2026) – source
  4. Buffer, Engagement in 2025 (2025) – source
  5. Buffer, Consistent Posting Study (100,000+ users, 26 weeks) (2025) – source

The GrowFleet Index compiles publicly available research. Every figure above is attributed to its source. It is a curated benchmark, not GrowFleet proprietary data.

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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.

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