TTK Calculator (Time To Kill)

Time to kill is the gap between your first landed shot and the moment the target drops. It is the single number that defines how a shooter feels: it sets how much room you have to react when someone sees you first, and how harshly a missed shot is punished. This calculator derives it from four values you can read off any weapon stat card or measure yourself on the range.

There are deliberately no preloaded weapon stats here. Patches move damage and fire rate every few weeks, and a stale figure is worse than none at all. You enter numbers you have verified, and you get back the bullets required, the body TTK and the headshot TTK, so you can put two weapons from the same game side by side in a matter of seconds.

The TTK Formula, Explained

The maths runs in two steps. First you find the bullets required: bullets = ceiling(total health ÷ damage per bullet), where total health is health plus shields or armour, and the ceiling means always rounding up, because half a bullet does not exist. Then you turn that count into time: TTK = (bullets − 1) × (60 ÷ fire rate in RPM) seconds. Dividing 60 by the rounds-per-minute figure gives the interval between shots in seconds. The subtraction is the part that matters: you are counting the gaps between shots, not the shots themselves. The first round leaves the barrel at time zero, so if four bullets are needed, only three intervals elapse before the last one lands. Plenty of calculators multiply by the full bullet count and report a TTK inflated by one whole interval, an error that exceeds a hundred milliseconds on low fire rates and is easily enough to flip a comparison between two guns. When you switch on the headshot multiplier, damage per bullet is multiplied before the division, and the rounding-up rule still applies.

TTK Ranges By Game Type

Every genre lives in a different band. This table places your result in context and tells you how a gunfight tends to play out inside each range.

Why TTK Matters So Much

TTK shapes the identity of a shooter before any other stat does. With a low TTK, the game rewards whoever fires first: information, sound cues and where your crosshair sits before you peek are worth more than sustained aim, and a duel resolves in a single flick. With a high TTK, weight shifts to tracking, to moving during the exchange and to managing resources, because you genuinely have time to correct your aim while the opponent tries to escape.

TTK also governs peeker's advantage. Because the attacker sees the defender a few milliseconds before the defender sees them, thanks to network latency and the order frames are drawn in, that gap eats a fixed slice of the fight. The lower the TTK, the bigger that slice is in proportion: if dying takes 150 milliseconds and the deficit is 40, there is barely any window left to respond. In high-TTK games, the same 40 milliseconds are close to irrelevant.

Bear in mind that theoretical TTK is not what you will see in a match. The calculator assumes every bullet lands, that shots leave at maximum fire rate and that damage never falls off with range. A real round adds your reaction time, recoil pulling the fourth shot onwards off target, damage drop-off at mid range, and bullets that simply miss. The figure you get is a floor, the best possible case, and it is built for comparison rather than prediction.

How To Use The Result Well

• Always compare weapons from the same game. Every title has its own health pools, shields and multipliers, so a TTK from one game says nothing next to another.
• Factor in damage drop-off. Many weapons lose damage per bullet past a certain range, so rerun the numbers with the long-range damage value if your typical fight is not point blank.
• Weigh headshot TTK against body TTK. A huge gap means the weapon rewards precision; a narrow one usually means it performs better for less steady hands.
• Add magazine size and reload time to the picture. A gun with a superb TTK that burns most of its magazine on one target collapses the moment a second opponent appears.
• Remember TTK excludes your own reaction time. Roughly 200 to 250 milliseconds pass between seeing an enemy and pulling the trigger, and no formula covers that.
• Verify on the practice range. Shoot a dummy using the stats you entered and check that the bullets required match before you trust the number in ranked play.