2011-07-05: Disabled. No count of Firefox 5 downloads has been made available by Mozilla.
On July 31st, 2009 Firefox reached the historic milestone of 1 Billion (= 1000 Million) downloads for which this guesstimator was originally built. Currently the guesstimator defaults to making an estimate for the 250 millionth Firefox 4 download. However you can choose any other target milestone through the form at the bottom of this page.
The total number of Firefox 4 downloads is guesstimated to reach --:
Between -- and -- (UTC).
Best Estimate: -- (UTC)
Firefox has already been downloaded more than
Please choose a future download milestone.
This guesstimate is based on the median and interquartile range of download rates measured over the past -- days, according to which we can on average expect anywhere between -- and -- downloads per day, with the median average being -- downloads per day. The download counter currently stands at --.
If the download rate increases or decreases significantly this will have a major effect on the estimated result, however as we get closer to a target milestone the estimate should become more and more precise and the date range should narrow down.
Other interesting Firefox download counter resources: