Kidney Stone Normal Size. The probability of a stone passing through urine decreases with the increase in the size of the stone. Kidney stones or renal calculi are masses made of crystals.
What is the actual size of kidney stones. They take an average of 31 days to pass. In more precise measurements the average size of an adult human kidney is about 10 to 13 cm 4 to 5 inches long approximately 5 to 7 5 cm 2 to 3 inches wide and about 2 to 2 5 cm 1 inch thick.
When fully developed the kidneys are roughly the size of a fist.
In more precise measurements the average size of an adult human kidney is about 10 to 13 cm 4 to 5 inches long approximately 5 to 7 5 cm 2 to 3 inches wide and about 2 to 2 5 cm 1 inch thick. For a stone greater than 10 millimetres 0 39 in eswl may not help break the stone in one treatment. Some of these larger stones are too big to be flushed from the kidney. Size of the stone is a major factor in whether it can pass naturally.