As others have said, varies greatly depending on the wattage you are holding. Watts to kJs relationship is the same for everyone (it’s just a conversion), but you need to factor in FTP to get an individual’s TSS.
Here’s a calculator to figure out KJs per hour at a given power. If you do 280 watts for an hour, that’s about 1000kJs, so only ~140 watts for 2 hours to get 1000kJs.
Is a converter really necessary? Just multiply your average power by 3.6 and the duration.
At my age math is hard and numbers are hard to remember…
Thanks. I’ve seen the relationship between Kj’s and TSS for a long time but, (right or wrong) pay little attention average watts due mostly to the number of stop lights I have to contend with. To get to “open” roads there are about 30 lights or signs…Screen shot of a longer week for me below which is where the numbers originated from. Looks like I’m wasting a lot of time on these longer rides. Perhaps I need to just suck it up and ride the trainer more. Speaking of which…
I raced and befriended a guy named Norm Alvis this year. He’s a former pro and getting back into training seriously. i watch his IG feed and marvel at his dedication and attention to detail. Probably why he was a pro and I never could have been. Amazing to see what he does in a week…Mostly on the trainer (due to safety-hit by several cars IIRC) and s bit on the track. Lots of time doing the small things I don’t do. Very inspirational!
50TSS per hour is .71 IF or 71% ftp if steady state power.
Thx WW. Yeah just looking at some segments of rides steady state (no stops) and 200W +/- is common. Funny, I’ve always scoffed at driving to ride, but, that’s what I’ve done more and more to avoid all the stop/start stuff getting in and out of town. Wish I could adopt the trainer but, I find with my work I really need to get outside. Just feel trapped when I’m working…