# Ammo damage calculation

**URL:** <https://discourse.cataclysmdda.org/t/ammo-damage-calculation/22785>\
**Category:** The Toolbox\
**Created:** [February 19, 2020, 12:48pm UTC](https://discourse.cataclysmdda.org/t/ammo-damage-calculation/22785 "2020-02-19T12:48:25Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Jninja](https://sea2.discourse-cdn.com/flex016/user_avatar/discourse.cataclysmdda.org/jninja/32/7800_2.png) [@Jninja](https://discourse.cataclysmdda.org/u/Jninja)\
**Post date:** [February 19, 2020, 12:48pm UTC](https://discourse.cataclysmdda.org/t/ammo-damage-calculation/22785/1 "2020-02-19T12:48:25Z")

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I’ve been working on a mod to add more ammo to the game. I was looking though the 50 cal section when I noticed that the MK 211 has a note of the ammo having an effective range of 20m and 65kj equaling 225 power. Does anyone know how this number was made? I can’t make any equation that is consistent.

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**Author:** ![mlangsdorf](https://sea2.discourse-cdn.com/flex016/user_avatar/discourse.cataclysmdda.org/mlangsdorf/32/2462_2.png) [@mlangsdorf](https://discourse.cataclysmdda.org/u/mlangsdorf)\
**Post date:** [February 19, 2020, 2:08pm UTC](https://discourse.cataclysmdda.org/t/ammo-damage-calculation/22785/2 "2020-02-19T14:08:04Z")

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See [https://github.com/CleverRaven/Cataclysm-DDA/blob/1d23fcce1e8710494f350f11f99df09da34ef261/doc/GAME\_BALANCE.md#ammo-stats](https://github.com/CleverRaven/Cataclysm-DDA/blob/1d23fcce1e8710494f350f11f99df09da34ef261/doc/GAME_BALANCE.md#ammo-stats)

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**Author:** ![Jninja](https://sea2.discourse-cdn.com/flex016/user_avatar/discourse.cataclysmdda.org/jninja/32/7800_2.png) [@Jninja](https://discourse.cataclysmdda.org/u/Jninja)\
**Post date:** [February 20, 2020, 3:28pm UTC](https://discourse.cataclysmdda.org/t/ammo-damage-calculation/22785/3 "2020-02-20T15:28:01Z")

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Thank you, I didn’t think about finding the square root.