OSRS Firemaking Calculator
Plan an Old School RuneScape Firemaking goal with exact level XP thresholds and a manual training method. Use it for standard log burning or any repeatable activity represented by average XP and cost per action.
- Materials Needed
- 130,345 items
- XP Remaining
- 13,034,431 XP
- Estimated Hours
- 130.35 hours
- Estimated XP per Hour
- 100,000 XP/hour
- Gross Input Cost
- $0
- Expected Reward Value
- $0
- Net Cost or Profit
- $0
- Net GP per XP
- 0 GP/XP
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The main result is actions or logs needed. The breakdown shows materials, XP remaining, time, XP per hour, gross cost, expected reward value, net cost or profit, and GP per XP.
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How to Use This Calculator
Select current and target Firemaking levels. Enter XP per action, actions per hour, materials used per action, cost per material, any other cost per action, and expected reward or output value per action.
Formula & Methodology
Actions needed equal XP remaining divided by XP per action and rounded up. Materials needed multiply actions by materials per action. Gross input cost combines material and other costs. Gross reward value multiplies actions by expected value per action. Net cost is input cost minus reward value. Time divides actions by actions per hour. XP per hour multiplies XP per action by actions per hour.
Standard log-burning example
If a log gives 100 XP and the goal requires 400,000 XP, the calculator returns 4,000 successful actions. Enter current log price and realistic actions per hour for cost and time.
The calculator does not automatically choose a log, fetch prices, model lighting failures, movement, banking, tick manipulation, pyre methods, Shades of Mort'ton, Wintertodt contribution rules, supply crates, interruptions, or variable rewards. For minigames, enter realistic average XP, actions, materials, and reward value.
Use current prices and a sustainable training rate. Actual XP, rewards, and cost depend on method, execution, and game updates.
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Related Guides
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- OSRS Herblore Cost and XP Planning: Cheapest Path to 99Plan your OSRS Herblore training with exact potion XP values, cost-per-XP for every common potion, and the cheapest route to 99 Herblore from level 1.
- OSRS Firemaking XP, Cost, and Time: Fastest Methods to 99Plan your OSRS Firemaking grind with XP per log, cost per XP, and time estimates for standard logs vs. Wintertodt. Find the fastest and cheapest path to 99 Firemaking.
- OSRS XP Table and Level Formula: How Experience Points Are CalculatedUnderstand the OSRS XP to level formula, how XP requirements scale, and why the gap between levels grows exponentially. Includes the full XP table from level 1 to 99.
- How to Plan an OSRS Skill Goal: XP Requirements and Time EstimationPlan your OSRS skill goals with XP gap calculations, time estimates at different XP rates, and how to choose efficient training methods for each skill.
Frequently Asked Questions
- Can I use this for normal log burning?
- Yes. Enter XP per log, one material per action, current log cost, and a realistic logs-per-hour rate.
- Can I use it for Wintertodt?
- Only as a manual average. Enter average XP, supply use, actions or games per hour, and expected reward value.
- Does it use live log prices?
- No. Enter current material prices manually.
- What does a negative net cost mean?
- It means expected reward or output value is greater than calculated input cost.
- Why are actions rounded up?
- A level goal usually requires completing a whole additional action.
Last updated 7/17/2026