Minecraft Armor & Protection Calculator
Minecraft's armour formula is not a flat percentage: armour points and toughness compete against the size of the hit, which is why heavy damage punches through weak armour and netherite's toughness matters more than its armour bar. Pick a set, enter the incoming damage, and see what actually lands, before and after Protection.
Armour points and toughness compete against the hit’s size, which is why a big hit punches through weak armour: netherite’s 12 toughness is what keeps heavy damage down, not its armour bar. Protection adds 4% per EPF point and caps at 20 EPF (80%).
Formula: reduction = min(20, max(armour/5, armour − 4·damage/(toughness+8))); damage after armour = damage × (1 − reduction/25), then × (1 − min(EPF,20)/25) for Protection.
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