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Broken Link Revenue Loss Calculator

Reviewed for 2026, updated September 8, 2026.

Estimates how many sessions, conversions and dollars a website loses each month to visitors who hit a dead link, for marketers and site owners who need a number before they can justify fixing it.

Your numbers

Results update as you type.

Your estimate

Sessions lost per month...
Conversions lost per month...
Estimated revenue lost per month...
Estimated revenue lost per year...

Estimates only. Assumptions are listed below, and you can change every input.

A broken link rarely shows up as a line item. Nobody logs 'lost a customer to a 404' in the CRM, so dead links sit on the backlog behind anything with a visible dollar figure attached. This calculator gives you that figure. Plug in your traffic, the share of sessions that hit a dead link, and what a conversion is worth, and you get a monthly and yearly estimate of what those errors cost.

The math is a straight funnel with no hidden multipliers. Monthly visits times the share of sessions that hit a broken link gives you the sessions affected. Of those, the abandon rate says how many leave instead of finding another way in. The lost sessions are then multiplied by your normal conversion rate and your value per conversion. Every step is an input you control, so the result is only as honest as the numbers you give it. Pull the 404 hit rate from your analytics or server logs rather than guessing, and the estimate will be worth showing to whoever owns the budget.

How to use this tool

  1. Enter your monthly sessions and the share of sessions that reach a 404 or click a dead link. Your analytics 404 page views divided by total sessions is a good source.
  2. Set the abandon rate from the exit rate of your 404 page, then enter your normal conversion rate and what one conversion is worth.
  3. Read the monthly and yearly loss, then compare it with the time it would take to fix or redirect the dead links.

What the math assumes

  • A session that leaves after hitting a dead link would otherwise have converted at your normal site-wide rate, no better and no worse.
  • The abandon rate applies evenly to every session that hits a broken link, whatever page it was on.
  • The yearly figure is simply the monthly figure times 12, with no seasonality and no growth.
  • Indirect effects such as lost repeat visits, damaged trust or ranking changes are not included, so the estimate leans conservative.
  • All money values are in US dollars and no costs of fixing the links are subtracted.

Frequently asked questions

Where do I find the share of sessions that hit a broken link?

Most analytics tools let you filter page views by the title of your 404 page. Divide those views by total sessions for the same period. Server logs with 404 status codes give an even more complete picture because they include image and file requests.

Should I use revenue per order or lead value?

Use whichever matches how you count conversions. If your conversion rate counts leads, enter what a lead is worth to you on average. If it counts orders, enter your average order value.

Why is the estimate conservative?

It only counts the session that hit the dead link. It ignores visitors who never come back, referral traffic you lose when other sites stop linking to a dead page, and any ranking effect. The real cost is usually higher.

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