Rohan Singh Rohan Singh Asked 8 months ago

How big is 1 centimeter kidney stone?

A recent scan showed I have a 1 cm kidney stone. The doctor explained it, but I'm finding it hard to visualise that size. Can anyone tell me, like, what's a common thing that's about 1 cm?

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6 answers

Abhishek Nair Abhishek Nair Joined May 2026 5 months ago
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I just got treated for a 10 mm stone last month, and honestly, it is about the size of a chickpea or a small rajma bean. It sounds small but believe me, passing it naturally is extremely painful and often impossible. My doctor had to do a minor laser procedure to break it down because it got stuck.

Karan Johar Karan Johar Joined Jan 2026 8 months ago

Yes, 1 cm is roughly 10 mm, which is quite large for a kidney stone. It usually requires medical intervention to clear out.

Sameer Joshi Sameer Joshi Joined Feb 2026 8 months ago

A 1 cm stone is exactly 10 millimeters, which is roughly the size of a green pea. My urologist explained that any stone larger than 6 mm has a very low chance of passing on its own without causing severe blockage or pain. They usually recommend lithotripsy or a small surgery to dissolve or extract it safely.

Lijo Thomas Lijo Thomas Joined Apr 2026 6 months ago

Think of it as a small peanut or a corn kernel. While small stones under 4 mm can pass with fluids, a 1 cm one is too big to slide through the ureter comfortably. Keep an eye out for severe back pain or blood in your urine, and let a doctor handle this.

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Consult a urologist

Meera Sen Meera Sen Joined May 2026 5 months ago

That size is quite significant, around 10 mm, so please don't ignore it or rely only on home remedies. Much like managing my thyroid, you need proper follow-up tests and regular scans with a urologist. Get an ultrasound done to see if it is blocking your urine path.

Deepa Srinivasan Deepa Srinivasan Joined May 2026 5 months ago

Totally agree with others, 1 cm is indeed quite large and painful. Please drink lots of water and consult a specialist as soon as possible.

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