Decay, duplicates, missing fields, and contacts you just can't trust never show up on an invoice. They show up in the hours your reps burn on manual research, the deals that close slower, and the meetings that never get booked. This puts a real number on it.
Put in your numbers. It grades the cost of bad data on two things: the rep time you waste on manual research (hours and dollars), and the pipeline upside you leave on the table when reps cannot work a clean, prioritized list. Everything updates as you type.
Every contact in your CRM, not just the good ones. You probably don't know what share is actually in-ICP. That is the first thing we find.
How fast contact data decays in your market. Job changes are one driver; bad emails, role changes, and acquisitions are the rest.
The hunting reps do because the data is not ready: finding the right account, the right contact, a working email. This is the time clean data gives back.
When reps stop hunting for data and work a clean, prioritized list, they book more qualified meetings. This estimates what those extra meetings are worth, using your own numbers.
Meetings your reps book themselves today, on average. Not inbound, and not counting marketing-sourced.
Of the meetings your reps book, the share that become closed-won deals. Use your real booked-to-won rate, so this already accounts for no-shows and meetings that turn out unqualified.
A conservative estimate. Reps reclaim research time and stop chasing bad-fit accounts, so more of their effort turns into real meetings.
This calculator uses information about the complexity of your company's deals. The blocks below are specific to the information you shared.
Your 8 reps each spend about 8 hours a week manually researching prospects: finding the right account, the right contact, a working email, because the data is not ready. Over a year that is 3,328 hours, paid at your $50 fully loaded rate.
Where this comes from. This is research time that clean, prioritized data gives back, valued at the fully loaded hourly cost you entered. The hours and the rate are your own, so the result is your number.
When reps stop hunting for data and work a clean, prioritized list, they book more qualified meetings. We take the meetings each rep books per month, apply a conservative lift, then run the extra meetings through your own close rate and deal size.
Where this comes from. Your meetings per rep, close rate, and deal size are your inputs. The lift is the share of extra booked meetings we attribute to clean data, defaulted conservatively. Nothing here automates outreach: it assumes the same reps, working a better list.
Contact data does not break all at once. It decays a couple of percent a month as people change jobs, emails go dead, titles change, and companies get acquired. At the rate you selected, about 11,500 of your contacts go stale over the next year.
Where this comes from. Decay is applied to your contact count at the market-decay rate you chose. The deliverability ceiling is the 0.3% spam-complaint rate Gmail, Yahoo, and Outlook enforce on bulk senders.
Your data does not break all at once. It rots quietly, a couple of percent a month, while every team downstream keeps treating it as true.
So reps work a book half full of companies that were never your ICP, next to contacts who left last quarter. Marketing cannot segment because the firmographics are missing or wrong, no reliable employee count, no clean industry. RevOps ends up a human firewall on data quality instead of building the routing that would move pipeline. Outbound, scoring, forecasting, and ad audiences all run on the same data, and none of them tells you it is wrong. Reps feel it first as bounced emails and dead dials. Then it shows up as a number you cannot quite explain.
More tools have not closed the gap. A single data provider lands a correct match on roughly 40 to 65 percent of a typical B2B list, and ZoomInfo, Apollo, or a one-time Clay scrub all start decaying the day they finish. Mail a list with a high share of bad records and the cost is not only wasted sends: Google and Yahoo enforce a 0.3 percent spam-complaint ceiling for bulk senders, with permanent rejections from late 2025, and Microsoft enforced the same for Outlook from May 2025. Bounce and complain enough and the deliverability hit lands on your good contacts too.