Giants Foundry Calculator
Giants foundry calculator works out Starting experience and Starting level from Current level, Current experience and Target level. The default figures on this page give experience remaining of 13,034,431; change any entry and the result, the working and the sources update together.
Your figures
Updates as you typeHow this is worked out
4 steps
- Level 1 sits at 0 experience.
- Level 99 needs 13,034,431 experience.
- Remaining = 13,034,431 - 0 = 13,034,431
- Enter the experience per action to turn that into a number of actions.
Its 5 worked examples are re-run on every release, last on 15 September 2026. What changed
Sources and references
4 sources
What the giants foundry calculator calculates
Works out RuneScape experience and levels from the published experience curve, the Old School and RuneScape 3 combat levels, and Old School melee max hit, accuracy and damage per second.
How to use this giants foundry calculator
Enter Current level, Current experience, Target level and Experience per action. Starting experience updates as you type. Change one figure at a time to see what drives the result.
How the result is worked out
Open “How this is worked out” beside the result for the step-by-step calculation behind Starting experience, Starting level and Experience at target level.
The method follows Old School RuneScape Wiki: Experience, Old School RuneScape Wiki: Combat level, RuneScape Wiki: Combat level and Old School RuneScape Wiki: Damage per second/Melee.
Results are general information, not financial, tax, legal, medical or engineering advice. Check any decision that matters with a qualified professional.
See something wrong? Report a problem with this calculator
Frequently asked questions
How long does it take to get 2000 points in Giants Foundry?
On the figures this page opens with, the experience remaining is 13,034,431. No single number fits everyone: it follows Current level, Current experience and Target level, so enter your own above and the answer updates as you type.
How much XP can I gain per hour at Giants' Foundry?
It needs Current level, Current experience, Target level, Experience per action, Attack and Strength. Nothing else is required, and the figures stay in your browser.
Is Giants Foundry worth it?
Works out RuneScape experience and levels from the published experience curve, the Old School and RuneScape 3 combat levels, and Old School melee max hit, accuracy and damage per second. Put your own figures in above and the working updates beside the result. For scale, the default figures on this page give 13,034,431.
Is it worth buying molds in Giants Foundry?
The result gives Starting experience, Starting level, Experience at target level, Experience remaining, Actions remaining and Combat level, each labelled with its unit so the figure can be read on its own.
What information do I need for the giants foundry calculator?
You need Current level, Current experience, Target level, Experience per action, Attack, Strength, Defence and Hitpoints / Constitution. The page opens with default figures that give experience remaining of 13,034,431, so you can see the scale before entering your own.
What does this giants foundry calculator show?
It shows Starting experience, Starting level, Experience at target level, Experience remaining, Actions remaining, Combat level, Effective strength level and Maximum hit, with the working and any warnings for your entries.