OSRS DPS Calculator
Estimate melee damage per second from effective levels, equipment bonuses, enemy defence and weapon speed. Inputs stay manual so the calculation remains inspectable.
Enter stats and bonuses
Loads public levels; manual entry always remains available.
Estimated DPS
Accuracy 50.45%
Max hit 28
How it works
The model first builds effective Attack and Strength levels from the visible level, boost, prayer multiplier, stance bonus and constant eight. Attack and defence rolls determine hit chance on the two official comparison branches. A successful hit is uniformly distributed from zero through maximum hit, so expected successful damage is half the maximum.
Worked example
A maximum hit of 30 at 50% accuracy averages 7.5 damage per swing. A four-tick weapon attacks every 2.4 seconds, producing 3.125 estimated DPS.
Interpreting the result
Start by checking that each field describes the same scenario as the result: levels are visible base levels, bonuses are entered separately, costs are per unit, and a one-in-X rate means one divided by X on each eligible roll. The calculator updates immediately and writes the complete input state into the address bar. “Copy link” preserves those assumptions; “Copy result” copies a short summary rather than the entire method.
Do not treat a rounded count as an hourly rate. A required-action total says how many successful units complete the target under the entered reward. Banking, movement, failed attempts, animation timing, missed ticks and setup changes affect elapsed time. When time matters, measure a representative session with the same method and divide the required count by the observed successful actions per hour.
Economic outputs are arithmetic scenarios rather than live market quotations. Check current item values before buying supplies, include any outputs that can be sold, and consider limits or low-volume price movement. Probability outputs describe repeated independent trials; they do not promise that a result arrives at the displayed attempt count. The visible formula is the authority for what this page includes.
Read this as a planning estimate. Game updates, equipment effects, failures, travel, downtime and live prices can move a real session away from the mathematical result. Check the inputs against the account and use the output as a reproducible baseline.
Questions about OSRS DPS Calculator
Does this include special attacks?
What is one weapon tick?
Why can real DPS differ?
Sources
Mechanics and fixed tables were reviewed in 2026. Price-like inputs are user-controlled or approximate rather than live quotes. Source links name the public reference used for the page; the visible formula states the exact implementation.
- Old School RuneScape Wiki — Experience — Public XP table and level formula, reviewed 2026.
- Old School RuneScape Wiki — Combat level — Seven-stat combat-level formula, reviewed 2026.
- Old School RuneScape Wiki — Maximum melee hit — Effective Strength and maximum-hit formula, reviewed 2026.
- Old School RuneScape Wiki — Attack roll — Accuracy and defence-roll mechanics, reviewed 2026.
- Old School RuneScape Wiki — Calculators — Public skill, activity and reward tables, reviewed 2026.