Destiny 2 Cooldown Calculator

⚡ Destiny 2 Cooldown Calculator

Estimate grenade, melee, and class ability cooldowns from Discipline, Strength, Class stat tiers, base cooldowns, mod packages, fragments, and encounter uptime windows.

Model note: Destiny 2 now labels the old Discipline and Strength roles as Grenade and Melee in Armor 3.0. This calculator keeps the legacy names in the labels, uses base cooldown families, and treats 1–100 as base cooldown investment while 101–200 improves external energy scaling.
🎯Guardian Cooldown Presets
Preset loaded: Solar Warlock Fusion Loop checks a fast grenade cycle with Bomber style class ability energy and a 180 second activity window.
Ability Stats and Base Cooldowns
Base value is the cooldown family before your stat and energy engine.
0–100 changes base cooldown; 101–200 adds external energy scaling.
Use the closest family if a seasonal patch changed a named melee.
Higher values reduce base melee cooldown and improve energy returns.
Class ability stat replaces the old class-stat dependency for cooldown planning.
Class stat affects dodge, barricade, rift, dive, or thruster recharge.
Applies regen multipliers plus one-time refund estimates for the selected engine.
Use 90 for a duel stretch, 180 for an encounter phase, or 600 for a long activity.
📊Current Setup Snapshot
T8
Grenade Stat Tier
T4
Melee Stat Tier
T7
Class Stat Tier
1.22x
External Energy Scalar
Destiny 2 Cooldown Results
Grenade Cooldown
42s
Fusion Grenade after stat and refunds
Melee Cooldown
78s
Incinerator Snap after stat and refunds
Class Cooldown
45s
Healing Rift after stat and package effects
Window Uptime
13 casts
Total ability activations in the selected window
📘Cooldown Reference Tables
Stat Tier Curve
Stat BandTierBase CDEnergy Gain
0–29T0–T2PenaltyLow
30T3Listed baseNormal
50T5About 0.83xStable
70T7Near old capStrong
100T10Fast baseFull base
101–200T11–T20No extra baseSource scaling

This uses a practical tier model for planning, not a replacement for the in-game hover readout.

Common Base Cooldown Families
AbilityBaseFast UseSlow Use
Firebolt / Duskfield64sLow damageZone denial
Fusion / Healing73–82sLoop buildsSupport
Vortex / Solar105sControlArea damage
Pulse / Arcbolt121sArc loopsHigh pressure
Glacier Grenade152sShard setupWall value
Dodge / Thruster29–38sFrequentCombo fuel
Rift / Acrobat82sSupportAnchor play
Regen Package Effects
PackageBest AbilityRefundScalar
Bare stats onlyNone0%1.00x
Double Bomber plus OutreachGrenade22%1.08x
Grenade Kickstart loopGrenade28%1.15x
Melee Kickstart loopMelee28%1.15x
Orb armor charge engineAll12%1.18x
Subclass fragmentsMixed10%1.16x
Exotic ability engineAll20%1.25x
Preset Comparison Grid
PresetPrimary LoopWindowStat Aim
Solar Warlock Fusion LoopFusion plus Rift180sGrenade 80+
Void Hunter Smoke ChainDodge plus Smoke210sClass 100+
Arc Titan Pulse ThrusterPulse plus Thruster160sClass 70+
Strand Titan Grapple PressureGrapple plus Frenzied180sMelee 100+
Stasis Warlock Turret CycleColdsnap control240sGrenade 100+
PvP Neutral Duel CheckDodge plus grenade90sEven spread
💡Planning Notes
Buildcraft tip: A high stat shortens passive recharge, but a refund package changes the first and second cast timing. Compare both because Kickstart, Bomber, Outreach, and subclass fragments often beat a small tier jump.
Uptime tip: Match the window to the activity. A 90 second duel rewards front-loaded refunds, while a 240 second boss phase rewards stable regen multipliers and shorter base cooldown families.

ability cooldowns are the length of time that a player must wait before being able to use a specific ability. Many players will notice that there chosen abilities are not available for use despite the player’s desire to utilize such an ability. The player may begin to feel as if the cooldown for the desired ability is too long, especially if abilities like grenades or melee abilities doesnt quickly return to allow for the player to land the intended attack.

There are actualy three different ability tracks that the game tracks, each of which is different from the old Discipline and Strength stats. Additionally, there is a difference between stats that reduce the base cooldown of an ability versus stats that increase the returns of energy for those abilities outside of the sources of that energy. Understanding this difference are half the understanding of ability cooldowns.

How Ability Cooldowns Work and How to Use the Calculator

The calculator that is provide on this page will calculate the math for you regarding your ability cooldown statistics. In order to calculate these stats, you will have to provide the game with several different input. Your base cooldown families, your three stats, the regen package that you are using, and the length of the activity window will be required as the player input each of these values.

Each of these values will impact a specific calculation that the calculator makes within. For example, your base cooldown will impact the base cooldown calculation before any stats are applied to that cooldown, your stats will impact how much those stats will reduce your cooldown, the regen package will determine whether you receive one-time cooldown refund or continual returns of energy to your abilities, and the activity length will determine whether you are calculating your cooldowns for a short duel or for a long period of activity with a boss. While investing in stats will provide you with beneficial effects, the difference between a tier 7 stat investment and a tier 10 stat investment is often much more less than the difference between having no regen package versus having a regen package that provides refunds of twenty percent of your energy returns.

Many players do not consider this because they focus upon investing their stats into a single armor piece, instead of considering the benefits of selecting the correct regen package. An external energy scalar that exceeds 100 stats is a consideration for many players, but only provides benefit for those who are already casting or spending armor charge. Any player who is not generating their orbs or spending armor charge will experience no benefit from stats beyond those require to enable their abilities to return.

The tables that are provide on this page will help to show the different cooldowns for each base family, as well as the returns that are applied to each of the different regen packages. For instance, abilities like fast dodge or fast thruster will have base cooldowns of 29 or 30 seconds, while abilities like long glacier grenade will have a base cooldown of 152 seconds. These cooldown statistics will help you to decide whether your character and abilities are to continually utilize the skill or to have the skill available for certain instances during play.

The calculator will provide you with both the cooldown that will be applied to your ability, as well as the number of times that you can utilize your ability during the chosen length of activity. A common mistake that many players make is treating each ability as if it is the same as each of the other abilities. For instance, a one second effect for a grenade will not be the same as a fifteen second effect for a rift field; the power of each effect is not the same.

Additionally, the length of the activity window will have an impact upon your abilities. For instance, a ninety second window will have different benefits from a twenty four hundred and forty second activity. The grade that is provide at the bottom of the page will compare these two scenarios, and provide you with an understanding of which scenarios is the best for your specific length of activity.

Instead of measuring the success of your chosen build by the cooldown length of your least powerful ability, you should of be measuring the success of your build by how many times you can use that ability during your activity. For instance, an ability with a cooldown of forty seconds will not be effective if the fight does not last three uses of that ability. An effectiveness of abilities that return every seventy eight seconds will be provide by the regen package that you utilize to provide energy to those abilities.

The calculator will help you to determine these values and understand how many times you can use each ability in your game.

Destiny 2 Cooldown Calculator

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