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Help me with this math - determining age of live oak tree
Posted on 12/30/21 at 12:40 pm
Posted on 12/30/21 at 12:40 pm

The diameter of my tree 4.5’ above the ground is 52.86”. Me and my dad are going back and forth. I’m saying my tree is 334 years and he’s saying it’s 180 years old.
Who sucks at math? Spoiler alert: it’s probably me
Posted on 12/30/21 at 12:42 pm to TDsngumbo
Calling bullshite on the 10 inch in diameter = 76 years.
We have one that’s about 40 years old that’s bigger than that.
We have one that’s about 40 years old that’s bigger than that.
Posted on 12/30/21 at 12:42 pm to TDsngumbo
just cut it down and count the rings
Posted on 12/30/21 at 12:43 pm to member12
quote:
Calling bullshite on the 10 inch in diameter = 76 years. We have one that’s about 40 years old that’s bigger than that.
Remember diameter is different from circumference.
Posted on 12/30/21 at 12:44 pm to member12
quote:
Calling bullshite on the 10 inch in diameter = 76 years.
We have one that’s about 40 years old that’s bigger than that.
Same here
Posted on 12/30/21 at 12:45 pm to TDsngumbo
quote:
Remember diameter is different from circumference.
I know what diameter is and I’m calling bullshite.
These trees grow slowly, but not THAT slowly.
Posted on 12/30/21 at 12:46 pm to TDsngumbo
Cut down the tree and count rings.
52.86” is very accurate for something that isn’t perfectly circular and has a rough surface.
This post was edited on 12/30/21 at 12:47 pm
Posted on 12/30/21 at 12:47 pm to TDsngumbo
Just make shite up, like biologist, scientists, etc and others do.
Posted on 12/30/21 at 12:47 pm to TDsngumbo
A trunk 10 inches in diameter is a lot younger than 76 years. So you are probably both wrong.
This post was edited on 12/30/21 at 12:48 pm
Posted on 12/30/21 at 12:48 pm to TDsngumbo
154+((x-22)*6)
X is the diameter of your tree.
X is the diameter of your tree.
Posted on 12/30/21 at 12:49 pm to TDsngumbo
Based on your formula you're right baw.
Posted on 12/30/21 at 12:50 pm to TDsngumbo
Your analysis is correct but you have the wrong answer, so you both suck at math. :-)
Sorry, I was apparently analyzing the example, not your tree.
Sorry, I was apparently analyzing the example, not your tree.
This post was edited on 12/30/21 at 12:53 pm
Posted on 12/30/21 at 12:50 pm to TDsngumbo
quote:
52.86”
That’s high level precision. Y'all measuring with lasers?
Posted on 12/30/21 at 12:51 pm to member12
quote:
I know what diameter is and I’m calling bullshite.
These trees grow slowly, but not THAT slowly.
Agree, My dad planted this tree in the front yard of my grandparents house and its probably 55 years old and I would guesstimate about a 40" base.

This post was edited on 12/30/21 at 12:52 pm
Posted on 12/30/21 at 12:51 pm to TheHarahanian
quote:
52.86” is very accurate for something that isn’t perfectly circular and has a rough surface.
Measure circumference and divide by pi.
I got 339 years based on aging structure in op. Didn’t double check
Posted on 12/30/21 at 12:53 pm to member12
quote:
Calling bullshite on the 10 inch in diameter = 76 years.
We have one that’s about 40 years old that’s bigger than that.
10inches for 76years is not right.
Baton Rouge High has some live oaks that are at least 60 inches in diameter and they were planted 90 years ago.
This post was edited on 12/30/21 at 12:56 pm
Posted on 12/30/21 at 12:54 pm to TDsngumbo
You can't go by diameter or circumference. Got to count the rings.
In wet climates or years the tree will grow more (more space between the rings) and in dry climates or drought years it will grow less, etc.
In wet climates or years the tree will grow more (more space between the rings) and in dry climates or drought years it will grow less, etc.
This post was edited on 12/30/21 at 12:56 pm
Posted on 12/30/21 at 12:54 pm to TDsngumbo
No way a 10 inch caliper tree is 76 years old. Where is that source from? I would say a 10” caliper is somewhere around 30-40 years
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