Damage per second/Magic

This article is about calculating magic damage output, not to be confused with the Equipment stat Magic Damage.

Magic damage is affected by the spell used, equipment, prayer, skill boosts and the monster being attacked.

There are various methods by which players can increase their potential Magic damage. The effects of most equipped items can be seen in the stats window (labelled as Magic: +x and Magic damage: +x%).

Maximum hit is affected only by damage boosting equipment and the base max hit of the spell used^[1].

See maximum magic hit for the information on calculating the maximum hit for a specific setup.

Effective level is affected by your current level multiplied by prayers used and skill level boosts.

To calculate your effective level:

1. (Magic level + Magic level boost) * prayer bonus
2. Round down to nearest integer
3. Multiply by 1.45 if using Void Magic
4. +3 if using Accurate on powered staves, or +1 if using Longrange instead on powered staves
5. +8
6. Round down to nearest integer

Magic Level boost:

Note that temporarily increasing your Magic level only increases your accuracy, but not max hit, with the exception of Magic Dart, salamanders, trident of the seas/swamp and sanguinesti staff.

Prayer Multiplier:

Equipment bonus is equal to the Magic Attack stat in the Equipment stats window. Wearing magic gear will increase your equipment bonus.

See here for a full list of all stat-boosting gear, or here for a list magic armour.

Add up the Magic Attack of each piece of equipment worn to find your equipment bonus.

To calculate your accuracy roll:

1. Effective level * (Equipment bonus + 64)
2. Multiply by 1.15 if wearing a slayer helm on task or killing undead monsters with an imbued salve amulet.
3. Round down to nearest integer

If Accuracy Roll > Defence roll:

Else

To calculate the Damage Per Second, divide the Damage Per hit by the attack speed of the spell in seconds.

Spells from the Standard and Ancient spellbook have attack speed of 3 seconds, while tridents and staves that cast their own spells have an attack speed of 2.4

If bursting/barraging, multiply the DPS by the amount of targets getting hit (Note that maximum amount of targets for every AOE spell is 9).

v t e Combat Mechanics
Combat	Attack range Attack speed Auto Retaliate Autocast Combat triangle Special attacks Hitsplat Tanking Magical melee Magical ranged Ranged magic Ranged melee Typeless
Maximum hit	Maximum magic hit Maximum melee hit Maximum ranged hit Monster maximum hit
Damage per second	Damage per second/Melee Damage per second/Ranged Damage per second/Magic
Mechanics	Aggressiveness Buffs Elemental weakness Flinching Hit delay Retaliation Retreat Safespot Spawning Successful hit Maximum damage cap Flat armour Tolerance Wander radius PJ timer Red-X Line of sight
Other	Single-way combat Multicombat area Singles-plus combat Player killing