Valleywag just obtained detailed internal financial information indicating that
The image below shows the numbers, including: revenue, signups, active clients, and ride requests versus ride completions between mid-October and mid-November of 2013.
According to these numbers, Uber sees about 79,000 new signups per week, which projects to 316,000 signups per month and 3.8 million per year. It regular generates nearly $20 million in revenue per week.
The average number of rides requested per week is 1.1 million, and out of those, around 800,000 are completed. Uber's average number of "active clients" for these 5 weeks was about 430,000 per week.
Uber recently raised a $250 million round of funding and is valued at about $3.5 billion.
You can see Valleywag's full breakdown and speculation here >>