Below is a basic calculator designed to run Matunas Optimal Game Weight Formula (OGW). Below the calculator are the instructions on how to use it, a video on the OGW formula and an article about OGW. Optimal Game Weight Formula Calculator Instructions: Simply, enter the velocity of your projectile, the bullet weight in grains, […]

# Calculators and Conversion Tools for Long Range Shooters

These calculators and converters are designed for one purpose...to make a long-range shooter's life easier by giving them the ability to make calculations or conversion quickly and easily without having to do the "math" themselves.

## Optimal Bullet Velocity Formula (OGW Reversed)

On this page, you will find a basic calculator designed to run the Optimal Bullet Velocity Formula (OBV) which is basically Matunas Optimal Game Weight Formula but reversed. This is how I prefer to run the formula and I’ll explain why later. Below the calculator are the instructions on how to use it, a video […]

## Density Altitude Charts for Long Range Shooting

To shoot accurately at long range, you need to know what the environmental conditions are…specifically what the Density Altitude (DA) is because the DA is the true representation of what the bullet is flying through. Now, having a Kestrel is great and all, but for some people its just to much $$$ to lay down […]