Meter to Stud conversion causes discrepancy between real life proportions and Roblox proportions

Hey there! I’ve been tasked with planning and building a pool deck in real life for my backyard, so I’ve decided to use Roblox to visualize and mess around with it.

I drew a sketch already, however, it’s not scaled properly, so i went into blender and modeled the pool (1.22 Meters tall; 4.57 Meters wide.)

And since then I’ve noticed how converting meters to studs has caused the size to be simply wrong, here’s an image:


(On the left, is a converted pool. On the right, a real life pool)

I’m guessing a single stud is 10 cm, so 1 meter would be 10 studs… but it doesn’t work.
I’m actually considering importing a 1 meter ruler to size stuff properly.

What could cause it:

  • I’m very stupid and i’m not doing basic math properly (if 100 cm is 1 meter; 1 stud = 10 cm; 10*10 = 100; 10 studs = 1 meter)
  • Blender scaled it incorrectly (probably not it since the pool actually looks like that)
  • I actually have to use a very complicated formula to scale it properly (i doubt it since in my head, its all proportionate, meaning it would still be incorrect)

TLDR:

Blender meters don’t convert properly to Roblox studs. Help. :frowning:

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Roblox Studio isn’t the right place to create accurately scaled models, especially when you are making real life objects that will cost money to make. You’re just making yourself suffer unnecessarily.

Went from 4,57 meters to 51.195 studs and 1,22 meters to 6.814 studs

I’m just trying to visualize it with proper models, textures and lighting. Plus not like i am 100% going to do it

Okay, according to Roblox, 1 stud = 28 cm (11.0236 inches).

From what I’ve seen based on my scientific tests: :wink:

Roblox incorrectly scales an object on the X and Z axis while the Y axis is scaled properly
However, Roblox automatically converts the X and Z axis so the mesh looks the same:

Original model size compared to Real model size:

  • Real: X: 4,57; Y: 1,22; Z: 4,57
  • Roblox: X: 9,167; Y: 1,22; Z: 9,167
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While listening to Oppenheimer’s theme, I’ve finally figured it out.
Roblox does in fact incorrectly scale the X and Z axis, so taking that into consideration:

  • Original model: X: 4,57; Y: 1,22; Z: 4,57
  • Roblox model: X: 9,167; Y: 1,22; Z: 9,167

9,167 / 4,57 = 2,005


Y AXIS: (in case you’ll scale the model later, otherwise optional)

centimeters * Yaxis = NewYaxis
(centimeters being how many cm you think there are in a stud, i’ll be going with 10cm)


X AND Z AXIS:

2,005 * Xaxis = ConvertedXaxis
2,005 * Zaxis = ConvertedZaxis

Studs * ConvertedXaxis = NewXaxis
Studs * ConvertedZaxis = NewZaxis

(thanks to funtmaster for helping me with it)

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