CALLING THE REAL SANTA CLAUS! *HE ANSWERED* OMG! - Duration: 5:10. Dom Tracy 2,206,885 views
There are 34 calories in 1 large Cucumber (Peeled). Calorie breakdown: 12% fat, 72% carbs, 16% protein.
A medium cucumber is about 8 long and about 2 wide in the middle. Some variation is not going to harm most recipes-and not going to be enough calories to affect your tracking much one way or the other.