OomTools

Conversion Rate Calculator

Traffic only counts if it does something. This works out the share of visitors who take the action you care about — a sale, a signup, a download — from your conversions and total visitors, so you can see how efficiently visits turn into results.

  • 100% free
  • Private & safe
  • Runs in your browser

Why use Conversion Rate Calculator?

Conversion Rate Calculator turns your inputs into a clear, realistic estimate so you can plan, price and compare with confidence.

  • Runs instantly in your browser — nothing to install, nothing uploaded.
  • Completely free, with no account, no watermarks and no usage limits.
  • Conversion rate = conversions ÷ visitors × 100
  • Enter the number of conversions (sales, sign-ups, etc.).
  • Works on any device — desktop, tablet and phone — and is fully keyboard accessible.

How to use Conversion Rate Calculator

  1. Enter the number of conversions (sales, sign-ups, etc.).
  2. Enter the number of visitors.
  3. See your conversion rate.
  4. Test pages and offers to improve it.

Examples

  • 120 conversions from 4,000 visitors = a 3% conversion rate.
  • Comparing two landing pages to find the winner.

Supported formats & limits

  • Conversion rate = conversions ÷ visitors × 100

Limitations

  • Define a conversion consistently (a sale, a lead, a sign-up).
  • Small changes in rate can mean large revenue changes at scale.

Frequently asked questions

What counts as a conversion?

Whatever action matters to you — a purchase, signup, download or lead. Be consistent.

What's a good conversion rate?

E-commerce often 1–4%; leads and signups can be higher. Compare to your own history.

How do I improve it?

Clarify your offer, reduce friction, add trust signals and improve page speed.

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