In fact, the 38-year-old went even further after making that commitment by suggesting he "plans to be around a while" thereafter and doesn't believe that will be his last contract.
Hamilton confirms he won't race in other series after retirement
"I don't feel the urge to enter other competitions after F1," he said to French TV broadcaster Canal+. "I love watching races like Le Mans, it looks incredible. I love Moto, I've always loved MotoGP. I still do, I've got two superbikes.
"I think I'll ride motorbikes, but not competitively. I've got lots of other things to do, I don't think I'll be doing any more competitions, at least not as a professional. It takes too much time.
Hamilton also spoke in the interview about how he was a bundle of energy as a child, comparing himself to a legendary comic book character to emphasise the point.
The Briton said: "Do you know Dennis The Menace? I was version 2.0. I climbed trees, I cycled, I raced down hills, I jumped! I had a competitive spirit in everything I did.
"I wouldn't say I had the happiest childhood. But driving was what I loved most."