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{{plink|Fire Rate}}, also known as '''Bullets per second''', is a stat that determines the amount of [[ammo]] that will be fired by the weapon per second. Several heroes have abilities that can increase their fire rates to shoot faster, but it can also be decreased, primarily through other enemy's items.

The inverse of this is called ''gun cycle time'', which instead measures '''seconds per bullet'''.

== Math ==
The final Fire Rate change is calculated with separate rules for bonuses and slows: positive bonuses (buffs) are additive, while negative modifiers (slows) are multiplicative.

It is important to note that the total change to Fire Rate cannot be reduced below '''-50%'''. Any calculated value lower than this will be capped at -50%.

The simplified formula is:
:<math>\text{Fire Rate Modifier} = (\text{Sum of Bonuses}) - \left(1 - \text{Total Slows}\right)</math>

Where:
* '''Sum of Bonuses''' = All positive buffs added together (e.g., <math>0.25 + 0.20</math>)
* '''Total Slows''' = The result of multiplying the remaining values of each slow: <math>(1 - \text{Slow}_1) \times (1 - \text{Slow}_2) \times \dots</math>

=== Examples ===

==== Combined Bonuses and Slows ==== 
For an example with multiple sources:
* '''+18%''' Fire Rate from {{ItemIcon|Ricochet}}
* '''+20%''' Fire Rate from {{ItemIcon|Swift Striker}}
* '''-25%''' Fire Rate Slow from {{HeroIcon|Sinclair}}'s {{AbilityIcon|Vexing Bolt}}
* '''-28%''' Fire Rate Slow from an enemy's {{ItemIcon|Suppressor}}

First, calculate the groups separately:
* '''Bonuses:''' <math>0.18 + 0.20 = 0.38</math>
* '''Slows:''' <math>(1 - 0.25) \times (1 - 0.28) = 0.75 \times 0.72 = 0.54</math>

Then combine them in the final formula:
:<math>\text{Final} = 0.38 - (1 - 0.54)</math>
:<math>\text{Final} = 0.45 - 0.46 = -0.01</math>

This results in a '''-1.00%''' final change. The in-game UI typically rounds this value to the nearest whole number, displaying '''-1%'''.

==== Maximum Slow Reduction ==== 
For an example with only slows applied:
* No positive Fire Rate bonuses (0)
* '''-25%''' Fire Rate Slow from {{HeroIcon|Sinclair}}'s {{AbilityIcon|Vexing Bolt}}
* '''-28%''' Fire Rate Slow from an enemy's {{ItemIcon|Suppressor}}
* '''-32%''' Fire Rate Slow from an enemy's {{ItemIcon|Rusted Barrel}}

The calculation is:
:<math>0 - (1 - (0.75 \times 0.72 \times 0.68))</math>
:<math>0 - (1 - 0.3672) = -0.6328</math>

This results in a calculated slow of '''-63.28%'''. Due to the cap, this value is raised to the maximum reduction of '''-50%'''.

== Base Fire Rate ==
Values referenced from [[Hero Comparison Table]].

Notes:
* Due to a bug, {{HeroIcon|The Doorman}}'s and {{HeroIcon|Paige}}'s weapons have incorrect fire rate values listed in the game UI. The values listed here are accurate.
* {{HeroIcon|McGinnis}}' and {{HeroIcon|Victor}}'s weapons have a wind-up time before reaching maximum fire rate.
{{#invoke:HeroDataArrays|heroRoundsPerSecondTable}}

== Sources == 
=== Fire Rate === 
{{Item stat table|Fire Rate}}
* {{ItemIcon|Burst Fire}} additionally increases Fire Rate by +{{#invoke:ItemData|get_prop|Burst Fire|ActivatedFireRate}}% for {{#invoke:ItemData|get_prop|Burst Fire|AbilityDuration}} seconds after hitting an enemy hero.
* {{ItemIcon|Heroic Aura}}'s Fire Rate bonus is doubled for nearby player minions within its {{#invoke:ItemData|get_prop|Heroic Aura|ActiveRadius}} radius.

=== Fire Rate Slow === 
{{Item stat table|Fire Rate Slow}}

=== Map spawns ===
* [[Golden Statue]]s can provide a permanent increase: +<b>1.5</b>% Fire Rate before 10 minutes, +<b>2</b>% Fire Rate before 30 minutes, or +<b>2.5</b>% Fire Rate after 30 minutes.
* [[Powerup]] runes can provide a temporary Gun buff that provides +'''12'''% to +'''35'''% Fire Rate for 160 seconds (scaling with game time from 5 to 40 minutes).

{{Stat Navbox}}