Calories burnt cycling

Steve_Rance
Steve_Rance Posts: 30
edited March 2 in Fitness and Exercise
Rainy day here and didn't fancy going out on the bike so it was a boring indoors session today and got me wondering about calories burnt and how accurate any figures obtained are.....

Did an hour on the exercise bike which told me I'd gone 26.31kms and burnt 1340kcal

Inputting this as a manual workout on garmin connect showed 1218kcal

Manual input on endomondo estimated it as 1182kcal

I'm guessing the bike would be the most accurate figure as it's able to track my cadence and the resistance level I'm riding at - isn't 1340kcal for an hour a bit high though?
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