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Calculating near and far zeros

Posted on 8/29/25 at 11:48 am
Posted by GRTiger
On a roof eating alligator pie
Member since Dec 2008
68870 posts
Posted on 8/29/25 at 11:48 am
What is a good ballistics site, app, or calculator that will allow me to enter barrel and cartridge data and get both near and far zero distances?
Posted by DownshiftAndFloorIt
Here
Member since Jan 2011
70879 posts
Posted on 8/29/25 at 11:52 am to
Lots of them out there. I use strelok
Posted by MadtownTiger
Texas
Member since Sep 2010
4390 posts
Posted on 8/29/25 at 11:55 am to
Big fan of ChairGun
Posted by GRTiger
On a roof eating alligator pie
Member since Dec 2008
68870 posts
Posted on 8/29/25 at 11:57 am to
Are there any free ones that are good enough?
Posted by kengel2
Team Gun
Member since Mar 2004
33437 posts
Posted on 8/29/25 at 12:05 pm to
I like Applied Ballistics, but I pair it with a Kestrel.

Any of the free ones should be fine. Id probably pick whatever bullet you shoot and use that manufacturers app.
Posted by DownshiftAndFloorIt
Here
Member since Jan 2011
70879 posts
Posted on 8/29/25 at 12:13 pm to
They'll all be as accurate as the information they allow you to enter. I'd just download a pile of the top rated ones and play with them and see which one you like best. The math is simple so I wouldn't worry about that. I'd go for whatever interface you like the best.

As long as it allows to input muzzle velocity, G1 or G7 BC, elevation, wind, angle, it should spit out pretty accurate dope. Obviously the more good information you can put in the more accurate it should be. The not free ones tend to have convenience features like picking a bullet and auto-populating the BC info, scope reticle options to give visual hold-offs, stuff like that.

As far as up this much and left that much dopes, they should all do that as accurately as the info you can feed them.
Posted by GRTiger
On a roof eating alligator pie
Member since Dec 2008
68870 posts
Posted on 8/29/25 at 12:38 pm to
Sweet, thanks.
Posted by Bama Shadow
Member since Jan 2009
694 posts
Posted on 8/30/25 at 12:44 am to
I use this one a lot to play around with

LINK
Posted by TigerOnThe Hill
Springhill, LA
Member since Sep 2008
7403 posts
Posted on 8/30/25 at 12:51 am to
quote:

I use this one a lot to play around with

LINK

I use JBM Ballistics, as well.
If you have an Athlon scope, they have an app that integrates w/ Athlon scopes.
This post was edited on 8/30/25 at 12:52 am
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