Calories per serving of Cucumber Salad in Vinegar with Onion 38 calories of Granulated Sugar, (0.05 cup) 20 calories of Cucumber (with peel), (0.50 cucumber (8-1/4)) 7 calories of Onions, raw, (0.17 medium (2-1/2 dia)) 3 calories of Cider Vinegar, (0.08 cup) 0 calories of Pepper, black, (0.17 dash) 0 calories of Salt, (0.17 dash)