Normal capacity of renal pelvis is
The renal pelvis is roughly pyramidal, with the base facing the parenchyma and the apex funneling down into the ureter. It usually has a capacity of 3 to 10 mL of urine. ref : campbell - walsh urology 11th ed , chapter 42 , pg no : 973
7 ml
12 ml
15 ml
20 ml
Urology