That’s twice as much time as 10 years ago, and Ofcom said the trend is due to more people using tablets and smartphones.
And if you’re between 16 and 24, the average internet use is 27 hours and 36 minutes a week.
Only five percent of people used a tablet to go online in 2010, but that figure was 39 percent in 2014. And people with internet ready smartphones amounted to 66 percent last year.
Nearly nine in 10 British people use the internet compared to 10 years ago.
Many people now use the internet to watch TV and video with 27 percent doing so regularly, compared to one in 10 in 2007.
Facebook, WhatsApp, and BBM are now popular ways of people keeping in touch and 90 percent of people use their mobile phones to send text messages.
Facebook and other social media are also more popular, with 72 percent saying they use it – compared to 22 percent in 2007.
Ofcom interviewed 1,890 people aged 16 or over to come up with its findings.