| Derived statistic
| Description
| Derived from
| Initial value
|
| Action Points
| Primarily used for VATS; now also used for sprinting, holding your breath while sniping, gun bashing, and power attacks.
| Agility
| 60 + (AGL × 10)
|
| Carry Weight
| The amount of weight you can carry before becoming overencumbered.
| Strength, Solar Powered (by raising STR)
| 155 + (STR × 5)
|
| Damage Resistance
| A number used to determine how much ballistic damage you can negate.
| Equipment, Bullet Shield, Bodyguards, Moving Target, Junk Shield, Ironclad
|
|
| Disease resistance
| A number used to determine the chance of disease from diseased sources.
| Endurance, Iron Stomach, Thirst Quencher, Vaccinated
|
|
| Energy Resistance
| A number used to determine how much energy damage you can negate.
| Equipment, Refractor, Bodyguards, Moving Target, Ironclad, Grounded
|
|
| Hit Points
| How much damage you can sustain before death; reduced by radiation poisoning.
| Endurance, Lifegiver, Solar Powered (by raising END)
| 250 + (END × 5)
|
| Melee Damage
| Bonus damage you do in close combat; unlike previous Fallout games, this also includes unarmed.
| Strength, Equipment, Gladiator, Slugger, Bobblehead: Unarmed
|
|
| Poison Resistance
| A number used to determine how much poison damage you can negate.
| Equipment
|
|
| Radiation Resistance
| A number used to determine how much radiation damage and rads you can negate.
| Equipment, Rad Resistant, Lead Belly
|
|
| Experience Modifier
| A bonus to all experience earned.
| Inspirational, Bobblehead: Leader
|
|
| Damage Avoidance
| A chance to avoid damage altogether
| Dodgy, Serendipity
|
|
| Running Speed
| Factors affecting running speed
| Power Armor (-20%), Equipment, Speed Demon, Dead Man Sprinting, Gun Runner, Squad Maneuver
|
|
| Sprinting Speed
| Factors affecting sprinting speed
| Speed Demon, Equipment, Dead Man Sprinting
|
|
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