Jackson Ratio Confusion

ayrgrn

Active Member
Joined
Dec 30, 2018
Messages
113
Location (City and/or State)
UK
Hello all,
Didn't know where to post this so sorry if in the wrong place!
I'm a bit confused about the Jackson Ratio weight-length chart/calculator.
I have been using the calculator on https://www.tortoise-protection-group.org.uk/site/171.asp for the last 6 weeks of having my Hermann's tort and been following it's guidelines to find the right weight.

However, I recently found a chart:
Hatchlingjacksonratio.jpg
If you put 5.5cm and 40g on the calculator it says that is really overweight but the chart says it's perfect, which is consfusing me a bit :|

My tort is 5.4cm length and 42g which I know is a bit overweight anyway.

Is the calculator one not for hatchlings?
Some answers/advice would be great :)
Thanks
 

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