Best height converter?

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Anyone have a good website to convert cm/m to feet.

Google tells me 175cm is 5'7, everyone else tells me 5'9 is 175cm.
50% of websites agree with 175cm being 5'7 and 50% agree 175cm is 5'9.

And then I came across 1 other website which converted 175cms to both 5'7 & 5'9

So which is it? What is the most reliable website to use?
And can anyone explain to me why it would convert to two different heights?

Edit Post

Quote from: LLprime2 on January 11, 2019, 01:00:08 AMhttps://www.rapidtables.com/convert/length/cm-to-feet.html

I think you are confusing 5 feet 7 inches with 5.7 feet = 5 feet and 70% of 1 feet.
5.7 feet is about 5 feet and 9 inches. You count up to 11 inches. At 12 inches you count the next feet.
11.99999 inches are 0.999999 feet.

Oh that makes sense, thanks for explaining