calories in cantaloupe melon
1 47 calories in 10 cantaloupe melon balls. 2  150 calories in a small cantaloupe melon (4.25 diameter). 3  180 calories in a medium or average size cantaloupe melon (5 diameter). 4  227 calories in a large cantaloupe melon (6.5 diameter). 23 calories in 1 average slice -- 1/8th slice taken from a medium size 5 diameter whole melon. 2  19 calories in 1 average slice --1/8th slice from a small 4.25 diameter whole melon. 3  HOW MANY CALORIES PER DAY (for weight loss or weight maintenance). 4  THE CALORIES IN VEGETABLES CHART.