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Sigma, where do you find it listed for each ship?

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Where do you find the Sigma of each ship listed? Looking to compare the BB lines once I'm done with the USN line. 

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It is not something WG provides for us but you can find the info in a few places...

1 - This is older info and some might have changed with buffs and nerfs but I believe most is still accurate...

 https://thedailybounce.net/2016/08/19/world-of-warships-0-5-10-live-bb-sigma-values/

2 - You can use the SEA WOWS fitting tool and check the ships individually that way for more up to date and accurate info...

https://wowsft.com/

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2 minutes ago, Sped_Gax said:

Where do you find the Sigma of each ship listed? Looking to compare the BB lines once I'm done with the USN line. 

You won't find it anywhere except on some third party sites like those linked above.  Be careful, not all of them are always up to date (though they're usually pretty good).  Here's the sigma for the battleships currently released:

Tier 3:

  • 1.9 - South Carolina
  • 1.8 - Everything else.

Tier 4:

  • 2.0 - Imperator Nikolai I, Ishizuchi, Myogi
  • 1.8 - Courbet, Kaiser
  • 1.6 - Orion
  • 1.5 - Arkansas Beta, Wyoming

Tier 5:

  • 1.9 - Giulio Cesare
  • 1.8 - Everything else

Tier 6:

  • 2.0 - Warspite, Queen Elizabeth
  • 1.8 - Arizona, Bayern, Mutsu
  • 1.7 - Dunkerque
  • 1.6 - Normandie
  • 1.5 - New Mexico, Fuso

Tier 7:

  • 2.0 - Nagato, Schanrhorst
  • 1.9 - Colorado, Nelson
  • 1.8 - Duke of York, King George V, Gneisenau, Ashitaka
  • 1.5 - Lyon

Tier 8:

  • 2.0 - North Carolina
  • 1.9 - Alabama, Alabama ST, Gascogne
  • 1.8 - Amagi, Roma, Bismarck, Tirpitz, Monarch, Richelieu
  • 1.7 - Kii, Massachusetts

Tier 9

  • 1.9 - Iowa, Missouri
  • 1.8 - Friedrich der Große, Izumo, Lion, Musashi
  • 1.6 - Alsace

Tier 10

  • 2.1 - Yamato
  • 2.0 - Conqueror 457mm, République
  • 1.9 - Montana,
  • 1.8 - Everything else.
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5 minutes ago, LittleWhiteMouse said:

You won't find it anywhere except on some third party sites like those linked above.  Be careful, not all of them are always up to date (though they're usually pretty good).  Here's the sigma for the battleships currently released:

Tier 3:

  • 1.9 - South Carolina
  • 1.8 - Everything else.

Tier 4:

  • 2.0 - Imperator Nikolai I, Ishizuchi, Myogi
  • 1.8 - Courbet, Kaiser
  • 1.6 - Orion
  • 1.5 - Arkansas Beta, Wyoming

Tier 5:

  • 1.9 - Giulio Cesare
  • 1.8 - Everything else

Tier 6:

  • 2.0 - Warspite, Queen Elizabeth
  • 1.8 - Arizona, Bayern, Mutsu
  • 1.7 - Dunkerque
  • 1.6 - Normandie
  • 1.5 - New Mexico, Fuso

Tier 7:

  • 2.0 - Nagato, Schanrhorst
  • 1.9 - Colorado, Nelson
  • 1.8 - Duke of York, King George V, Gneisenau, Ashitaka
  • 1.5 - Lyon

Tier 8:

  • 2.0 - North Carolina
  • 1.9 - Alabama, Alabama ST, Gascogne
  • 1.8 - Amagi, Roma, Bismarck, Tirpitz, Monarch, Richelieu
  • 1.7 - Kii, Massachusetts

Tier 9

  • 1.9 - Iowa, Missouri
  • 1.8 - Friedrich der Große, Izumo, Lion, Musashi
  • 1.6 - Alsace

Tier 10

  • 2.1 - Yamato
  • 2.0 - Conqueror 457mm, République
  • 1.9 - Montana,
  • 1.8 - Everything else.

Stop overdoing yourself and go take a vacation Mouse :Smile-_tongue:

also you forgot Stalingrad with 2.65 sigma

Edited by ValkyrWarframe

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45 minutes ago, LittleWhiteMouse said:

You won't find it anywhere except on some third party sites like those linked above.  Be careful, not all of them are always up to date (though they're usually pretty good).  Here's the sigma for the battleships currently released:

Tier 3:

  • 1.9 - South Carolina
  • 1.8 - Everything else.

Tier 4:

  • 2.0 - Imperator Nikolai I, Ishizuchi, Myogi
  • 1.8 - Courbet, Kaiser
  • 1.6 - Orion
  • 1.5 - Arkansas Beta, Wyoming

Tier 5:

  • 1.9 - Giulio Cesare
  • 1.8 - Everything else

Tier 6:

  • 2.0 - Warspite, Queen Elizabeth
  • 1.8 - Arizona, Bayern, Mutsu
  • 1.7 - Dunkerque
  • 1.6 - Normandie
  • 1.5 - New Mexico, Fuso

Tier 7:

  • 2.0 - Nagato, Schanrhorst
  • 1.9 - Colorado, Nelson
  • 1.8 - Duke of York, King George V, Gneisenau, Ashitaka
  • 1.5 - Lyon

Tier 8:

  • 2.0 - North Carolina
  • 1.9 - Alabama, Alabama ST, Gascogne
  • 1.8 - Amagi, Roma, Bismarck, Tirpitz, Monarch, Richelieu
  • 1.7 - Kii, Massachusetts

Tier 9

  • 1.9 - Iowa, Missouri
  • 1.8 - Friedrich der Große, Izumo, Lion, Musashi
  • 1.6 - Alsace

Tier 10

  • 2.1 - Yamato
  • 2.0 - Conqueror 457mm, République
  • 1.9 - Montana,
  • 1.8 - Everything else.

Doesn't Colorado still have different sigma values for the different hulls even after the HP buff? Or did they standardize it? 

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1 hour ago, LittleWhiteMouse said:

You won't find it anywhere except on some third party sites like those linked above.  Be careful, not all of them are always up to date (though they're usually pretty good).  Here's the sigma for the battleships currently released:

Tier 3:

  • 1.9 - South Carolina
  • 1.8 - Everything else.

Tier 4:

  • 2.0 - Imperator Nikolai I, Ishizuchi, Myogi
  • 1.8 - Courbet, Kaiser
  • 1.6 - Orion
  • 1.5 - Arkansas Beta, Wyoming

Tier 5:

  • 1.9 - Giulio Cesare
  • 1.8 - Everything else

Tier 6:

  • 2.0 - Warspite, Queen Elizabeth
  • 1.8 - Arizona, Bayern, Mutsu
  • 1.7 - Dunkerque
  • 1.6 - Normandie
  • 1.5 - New Mexico, Fuso

Tier 7:

  • 2.0 - Nagato, Schanrhorst
  • 1.9 - Colorado, Nelson
  • 1.8 - Duke of York, King George V, Gneisenau, Ashitaka
  • 1.5 - Lyon

Tier 8:

  • 2.0 - North Carolina
  • 1.9 - Alabama, Alabama ST, Gascogne
  • 1.8 - Amagi, Roma, Bismarck, Tirpitz, Monarch, Richelieu
  • 1.7 - Kii, Massachusetts

Tier 9

  • 1.9 - Iowa, Missouri
  • 1.8 - Friedrich der Große, Izumo, Lion, Musashi
  • 1.6 - Alsace

Tier 10

  • 2.1 - Yamato
  • 2.0 - Conqueror 457mm, République
  • 1.9 - Montana,
  • 1.8 - Everything else.

Yeesh... You need a vacation.

This is nice info though.
 

Questoin: Higher Sigma, means tighter shell grouping correct?

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35 minutes ago, Counter_Gambit said:

Questoin: Higher Sigma, means tighter shell grouping correct?

Not quite, it means that the chance that the grouping will be tighter is higher. They can still go wonky, but a higher Sigma means they'll be more consistent.

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1 minute ago, SnipeySnipes said:

Not quite, it means that the chance that the grouping will be tighter is higher. They can still go wonky, but a higher Sigma means they'll be more consistent.

Thank you kindly for this info

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1 hour ago, LittleWhiteMouse said:

Tier 7:

  • 2.0 - Nagato, Schanrhorst
  • 1.9 - Colorado, Nelson
  • 1.8 - Duke of York, Hood, King George V, Gneisenau, Ashitaka
  • 1.5 - Lyon

 

Added Hood to the Tier VII 1.8 sigma club

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1 hour ago, LittleWhiteMouse said:

 

Tier 6:

  • 1.5*1.5 - Fuso  (Fixed)

Tier 7:

  • 2.0 - Schanrhorst  (in a wet dream)

 

 

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You need to understand what sigma is before it will help you make good decisions.

I usually tell people to imagine shooting shells is like throwing darts at a dartboard with a magnet in the middle of it. Dispersion tells you how big the dartboard is, sigma tells you how strong the magnet is.

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8 minutes ago, Edgecase said:

You need to understand what sigma is before it will help you make good decisions.

I usually tell people to imagine shooting shells is like throwing darts at a dartboard with a magnet in the middle of it. Dispersion tells you how big the dartboard is, sigma tells you how strong the magnet is.

I like that analogy.

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2 hours ago, Sped_Gax said:

Where do you find the Sigma of each ship listed? Looking to compare the BB lines once I'm done with the USN line. 

ok OP before you go down this road. Theres a few things you should know

  1. Sigma has absolutely nothing to do with accuracy. By definition, it is precision. which is again, not accuracy. you can view the difference HERE.
  2. The actual number that determines accuracy is dispersion. Each line has its own dispersion formula, meaning no ship in in a line is more accurate than another, since they use the same dispersion formula
    These are the formulas for every ship in the game. (R=Range in km) Result in meters

    (R=Range in km) Result in meters

    IJN BB: R x 7.2 + 84

    USN/RN/Russian BB: R x 10.0 + 60

    Other BB: R x 9.8 + 66

    CL/CA: R x 6.9 + 33

    DD: R x 7.5 + 15

    Exceptions:

    Chikuma, Albany, Diana, Aurora, Altanta, Zao : Uses DD formula
    Misaka: Unique formula = R x 7.7 + 69
    Graf Spee(and some new large cruisers): Unique formula = R x 8.4 + 48
    QE/Warspite/Hood : Slightly tighter dispersion than other RN BBs = R x 10.3 + 51

    This does not cover vertical dispersion, but that isnt on a formula, its determined mostly by shell velocity.

 

Now some people might be saying i'm the grammar police as far as saying sigma is not accuracy. So lets have an example shall we? we both have a hypothetical ship. You will decide the sigma for each ship, I will decide the dispersion.

The goal is to make each others ships guns, as terrible as possible, while making your own better.

so you can go ahead and take X sigma for youre ship. Since i decide the dispersion, your ships dispersion is 40k KM

you can make my ships sigma, literally whatever you want (although its a standard deviation formula so it cant be negative) , since i decide the dispersion, i choose 1M. 

 

hopefully that illustrates that a bit

 

every time i hear someone say a ship has high sigma so it must be accurate

 

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43 minutes ago, Pytheas said:

wat are the cruisers @LittleWhiteMouse brohanette thanks in advance

Most cruisers tend to hover between 2.0 and 2.05, with only a handful of exceptions.  The thing with cruisers (with the exception of Stalingrad, Kronshtadt, Graf Spee and Alaska) is that their dispersion area is much smaller than that of a battleship, making sigma much less important.  To put this in perspective, Atlanta and Flint have 1.7 sigma which seems absurdly low for a cruiser, however their dispersion area is even smaller than that of cruisers, so sigma (again) has very little influence on their accuracy.

In general, don't worry about sigma unless you're firing battleship caliber guns (283mm or greater).

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There's also 2 factors that has to be considered

1) horizontal dispersion

2) vertical spread

The higher the numbers, the bigger the ellipse.

Look at the Lyon for example

sigma - 1.5

horizontal dispersion  -  162

vertical spread -  508

You'd think it's a horrible BB, but it's the only BB I know that can dev strike a DD reliably with AP shells. Why? 16 guns.  It doesn't matter whether a DD immediately changes direction after shooting. That many shells landing in that big of an ellipse means something is going to hit. Normally it means enough to sink in 1 salvo.

 

Edited by Bill_Halsey

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12 minutes ago, LittleWhiteMouse said:

To put this in perspective, Atlanta and Flint have 1.7 sigma which seems absurdly low for a cruiser, however their dispersion area is even smaller than that of cruisers, so sigma (again) has very little influence on their accuracy.

Air drag coefficient and shell velocity are more important right? Since that determines the ballistics? 

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1 minute ago, Bill_Halsey said:

Air drag coefficient and shell velocity are more important right? Since that determines the ballistics? 

a lot goes into ballistics. but yes you are correct, shell weight is also pretty important. 

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Halsey be right..one of the reasons the Fuso is a surprisingly good DD killer even at range.. 12 gun tubes.. throw nuff at the wall, something is bound to stick

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3 minutes ago, Hanger_18 said:

a lot goes into ballistics. but yes you are correct, shell weight is also pretty important. 

A reason why I like the Zao or the Donskoi. I can reliably hit a moving BB sized target at 17-19 km range in all aspects. A CA sized one would be 17 km and under.  DD's I'd have to be 15 km or under to reliably hit one.

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Shell ballistics determine how easy it is to lead a target. Shell accuracy determines how many shells will hit a certain spot if your lead was good. 

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55 minutes ago, Bill_Halsey said:

vertical spread -  508

Vertical spread doesn't mean what you think it means.  It has nothing to do with how a shell disperses at range.  It's a stat used to prevent ships from shooting themselves with their own main battery guns due to wonky dispersion.

WXdOlVc.png

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