would love ta know the answer

I actually kinda possibly maybe remember seeing this before but for the life of me cant find it now i actually want it.
SL 1M - real life 1M does anybody know the ratio? if so would be greatful if you could share this with me
for example if i made a house to scale of a real house 12900m x 17400m this house in game would be extremely small even for the tiny avies :-\

I'm not following you. You're saying that a house that is 12,900 meters long and 17,400 meters deep would be small? You realize that would cover 3400 sims? That's 3 times the size of the entire SL word.

I'm assuming your numbers were typos. Please fix the information so I can better help you. In the real world, your 12,900x17400M house would cover an area of about 88 square miles, roughly the size of Wahsington, DC and the surrounding area.

Anyway, to answer your question, it's impossible to declare a ratio between the size of a unit of measure in a simulated world and a unit of measure in the real world. All you can really say is a meter is a meter. It is true though, that people tend to make their avatars taller than real people. The average male adult is 1.9 meters tall in the real world, and the average female adult is about 1.75 meters tall. In SL, the heights tend to be much greater. Whether or not you can call a meter smaller just because people are bigger, is open to debate.

A good rule of thumb, I find is to make ceilings about 4 meters high to allow for average camera placement. Any lower than that, and most people's cameras tend to end up above the next floor. Since real ceilings tend to be about 3 meters high, that puts buildings at about 33% taller than they normally would be. If you're constructing proportionally, then you'd need to make width and depth also 33% bigger. So, the room I'm sitting in as I write this, which is 15 feet by 14 feet, or 4.57M by 4.27M, would be around 6x5.5 if it were built proportionally in SL to the ceiling height.

I don't usually build that way though. When I follow a floorplan, I always go 1-1, and it works out just great. The fact that in SL the ceiling only needs to be 1 centimeter thick instead of the 15-25 centimeters it would be in the real world goes most of the way towards granting the extra needed ceiling height.

ok im sorry i am used to reading meters as they are not litterally as they look.
12.900x17.400
now if i was to build this house as 12.400 meters that is one block at 10m (L) and another besdie it at .400
as i said that is one very small house in game.

ok heres a better way of putting it.....
what is the Lindens scale .... 1 real life meter = x Linden Meters?

I realized I didn't actually answer your question in my first reply, so I went back and edited. Your response appeared before I finished, so I guess we're a little out of order here. If you go back and read my previous post again, you'll see how I handle sizing.

Thanks for the clarification on the decimal. I figured it was something like that. 12.9 meters makes a lot more sense that 12,900.

yeah just read ya reply LOL but still im confused maybe coz i just dont get it.... if i did follow the 1- scale as you said..... 12.9 m in game aint that big i mean the chair in my lounge in the house i have now will fill that LOL

You have a 12-meter chair? Wow. Not sure what to tell you then. Usually 10x10 meter rooms in SL are plenty big enough to accomodate a whole living room or dining room set. This room, for example, is only 10x15. It's got one table, 8 chairs, 6 work stations, and enough standing room for about 20 people.

A chair bigger than 12.9 meters would be a rather large chair.

My height in real life is approx 1.9m.

None of the furniture in this house is big enough to fit 6 of me laying in one direction.

And, I've been in the location in Chosen's picture, I've been in it with at least 10 others, and we could have easily fit more.

Keywe, after reading dozens of threads arguing about average avatar size, walking with lag, camera over the shoulder, etc etc etc, I settled on my own favourite measurements - mostly extracted from the advice of others - sometimes averaging out disputed values - and partially tweaking to make it easier to remember - I present to you: Ben Bacon's (patent pending) 5-4-3-2 rule

Passages/walkways/corridors should be 5m high and 4m wide (i.e. roofs are 5m high).
Doors should be 3m high and 2m wide.

these are my minimums - you will often need to go larger to look right.
for example: if you have a passage that ends with a door: make the door a bit wider - some RL doors at the end of a passage barely have wall around them, and we're used to seeing that. I usually create the passage 5x4, create the door 3x2, and then make the door bigger (never smaller) by eye, until it "just looks right". And remember, different door designs and textures will feel right at different sizes.

Once you have a few doors and passages, and some walls for height, shift them around relative to each other and then build your house around them, using them as reference.

Contact eggy lippman i know awhile back he used RL blue prints and such to make a cabin for me, he wrote a script that transfers RL measurments to SL measurments etc, might help?