adkfreeridex,
One of my favorite subjects. You' ll have to enter a little bit more info -- namely grains of powder, muzzle velocity and weight of rifle, but here you go:

http://www.huntamerica.com/recoil_calculator/

Note it gives you both pounds recoil and recoil VELOCITY. The latter is where the turkey load shooters get a little off track thinking 12 bores are overly significant kickers in the grand scheme of felt recoil.

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Just an observation:

Hunters in Africa must consume lots of vitamins, drink fortified water, eat nails for breakfast, and sleep in the dark compared to their North American counterparts -- how else could they handle the rifles they shoot over there without complaining about it?

The preservation of ones life must put a little different spin on the need to shun recoil.

Recoil is good. Recoil is power. Power is your friend. Power is safety. Must be a little bit different mindset over there -- I doubt the physical human bodies are any different except maybe a little less fat.

Never Go Undergunned,
EKM