Conversion Rate Calculator

Conversion rate = conversions ÷ visits × 100. Use for e-commerce, leads, signups.

Updated May 2026, using HMRC 2026/27 rates and current ONS / gov.uk figures.

Type your numerator (conversions) and denominator (visits). UK e-commerce conversion typically 1-3%; B2B SaaS lead conversion typically 0.5-2%.

Worked examples

50 sales from 2,000 visits = 2.5%.

25 leads from 500 demos = 5%.

Frequently asked questions

What's a 'good' rate?

Highly category-dependent. Fashion: 1-2%. Subscription: 3-5%. Home services: 5-15%.