OSRS Blast Furnace Profit Calculator

Calculate Your OSRS Blast Furnace Profit

Ore Prices (GP per unit)

Bar Prices (GP per unit)

Other Costs & Efficiency

Calculation Results

Estimated Hourly Profit

0 GP

Profit Per Bar:
0 GP

Hourly Revenue:
0 GP

Hourly Total Cost:
0 GP

Hourly Stamina Cost:
0 GP

Hourly Ore Cost:
0 GP

Hourly Coal Cost:
0 GP

Formula Used:
`Profit per Bar = Bar Price – (Primary Ore Price + (Coal per Bar * Coal Price))`
`Hourly Stamina Cost = (Bars per Hour / 40) * Stamina Potion Price` (assuming 1 dose per 10 bars, 4 doses per potion)
`Hourly Profit = (Profit per Bar * Bars per Hour) – Hourly Stamina Cost – Foreman Fee Per Hour`

Profit Comparison Per Bar (Based on Current Inputs)

Bar Type	Ore Cost per Bar (GP)	Coal Cost per Bar (GP)	Total Material Cost per Bar (GP)	Bar Sale Price (GP)	Profit per Bar (GP)

What is an OSRS Blast Furnace Profit Calculator?

An OSRS Blast Furnace Profit Calculator is an essential tool for Old School RuneScape players looking to maximize their gold per hour (GP/hr) while smithing at the Blast Furnace. This specialized calculator helps you determine the profitability of smelting various types of bars (Steel, Mithril, Adamantite, Runite) by taking into account current Grand Exchange (GE) prices for ores, bars, and other consumables like Stamina Potions, as well as the Blast Furnace Foreman fee.

Who should use it? This OSRS Blast Furnace Profit Calculator is invaluable for any player engaged in or considering Blast Furnace training. This includes ironmen (though they’d calculate resource saving rather than direct profit), main accounts aiming for high Smithing experience and profit, and anyone looking for an efficient money-making method. It’s particularly useful for those who want to stay updated with fluctuating GE prices and adapt their strategy for optimal returns.

Common misconceptions:

• “Blast Furnace is always the best money maker.” While often highly profitable, GE price fluctuations can make other methods more lucrative at times. This OSRS Blast Furnace Profit Calculator helps you verify current profitability.
• “It’s an AFK method.” The Blast Furnace is highly click-intensive and requires constant attention for maximum efficiency, especially when using a Coal Bag and Ice Gloves. It’s far from AFK.
• “You don’t need Stamina Potions.” While technically possible without them, Stamina Potions are crucial for maintaining high efficiency and thus maximizing your hourly profit. Their cost is a significant factor.
• “The Foreman fee is negligible.” At 72,000 GP per hour, the Foreman fee is a substantial fixed cost that must be factored into your calculations, unless you have the Varrock Hard Diary completed.

OSRS Blast Furnace Profit Calculator Formula and Mathematical Explanation

The core of the OSRS Blast Furnace Profit Calculator lies in accurately assessing the cost of materials versus the revenue from selling the finished bars, while also accounting for hourly expenses. Here’s a step-by-step breakdown of the formulas used:

Step-by-step Derivation:

1. Determine Material Cost per Bar:
   • Each bar type requires a specific amount of primary ore and coal.
   • `Material Cost per Bar = (Primary Ore Price * 1) + (Coal per Bar * Coal Price)`
   • Example: For Steel Bars, `Material Cost per Bar = (Iron Ore Price * 1) + (Coal Price * 2)`
2. Calculate Profit per Bar:
   • This is the profit made from each individual bar before considering hourly costs like stamina or foreman fees.
   • `Profit per Bar = Bar Sale Price – Material Cost per Bar`
3. Calculate Hourly Stamina Potion Cost:
   • Efficient Blast Furnace training consumes a significant number of Stamina Potion doses. We estimate roughly 25 doses per hour for sustained running.
   • `Hourly Stamina Cost = (Stamina Doses per Hour / Doses per Potion) * Stamina Potion Price`
   • Assuming 25 doses/hour and 4 doses/potion: `Hourly Stamina Cost = (25 / 4) * Stamina Potion Price`
4. Calculate Total Hourly Profit:
   • This combines the profit from all bars smelted in an hour, minus all hourly expenses.
   • `Hourly Profit = (Profit per Bar * Bars per Hour) – Hourly Stamina Cost – Foreman Fee Per Hour`

Variable Explanations:

Key Variables for OSRS Blast Furnace Profit Calculation

Variable	Meaning	Unit	Typical Range
`Coal Price`	Grand Exchange price of one unit of Coal.	GP	150 – 300
`Primary Ore Price`	Grand Exchange price of one unit of the primary ore (Iron, Mithril, Adamantite, Runite).	GP	100 – 15,000+
`Bar Sale Price`	Grand Exchange price of one finished bar (Steel, Mithril, Adamantite, Runite).	GP	400 – 20,000+
`Stamina Potion Price`	Grand Exchange price of a 4-dose Stamina Potion.	GP	7,000 – 10,000
`Bars per Hour`	Your estimated number of bars smelted in one hour. Highly dependent on setup and attention.	Bars	1,200 – 1,800
`Foreman Fee Per Hour`	The fee paid to the Blast Furnace Foreman. Can be 0 GP with Varrock Hard Diary.	GP	0 or 72,000
`Coal per Bar`	The fixed number of Coal required for one bar (2 for Steel, 4 for Mithril, 6 for Adamantite, 8 for Runite).	Units	2, 4, 6, 8

Practical Examples (Real-World Use Cases)

Let’s walk through a couple of examples using the OSRS Blast Furnace Profit Calculator to illustrate its utility.

Example 1: Smelting Steel Bars

Imagine the following Grand Exchange prices:

• Coal Price: 200 GP
• Iron Ore Price: 150 GP
• Steel Bar Price: 500 GP
• Stamina Potion (4-dose) Price: 8,000 GP
• Bars Smelted Per Hour: 1500
• Foreman Fee Per Hour: 72,000 GP

Calculation:

• Material Cost per Steel Bar = (150 GP * 1 Iron) + (200 GP * 2 Coal) = 150 + 400 = 550 GP
• Profit per Steel Bar = 500 GP (Bar Price) – 550 GP (Material Cost) = -50 GP
• Hourly Stamina Cost = (25 doses / 4 doses per potion) * 8,000 GP = 6.25 * 8,000 = 50,000 GP
• Hourly Profit = (-50 GP * 1500 bars) – 50,000 GP – 72,000 GP = -75,000 – 50,000 – 72,000 = -197,000 GP

Interpretation: In this scenario, smelting Steel Bars would result in a significant hourly loss of 197,000 GP. This indicates that current GE prices make Steel Bar smelting unprofitable, and you should consider other bar types or wait for price changes. This highlights the importance of using an OSRS Blast Furnace Profit Calculator regularly.

Example 2: Smelting Adamantite Bars (with Varrock Hard Diary)

Consider these prices:

• Coal Price: 200 GP
• Adamantite Ore Price: 1,500 GP
• Adamantite Bar Price: 5,000 GP
• Stamina Potion (4-dose) Price: 8,000 GP
• Bars Smelted Per Hour: 1400
• Foreman Fee Per Hour: 0 GP (due to Varrock Hard Diary)

Calculation:

• Material Cost per Adamantite Bar = (1,500 GP * 1 Adamantite) + (200 GP * 6 Coal) = 1,500 + 1,200 = 2,700 GP
• Profit per Adamantite Bar = 5,000 GP (Bar Price) – 2,700 GP (Material Cost) = 2,300 GP
• Hourly Stamina Cost = (25 doses / 4 doses per potion) * 8,000 GP = 50,000 GP
• Hourly Profit = (2,300 GP * 1400 bars) – 50,000 GP – 0 GP = 3,220,000 – 50,000 = 3,170,000 GP

Interpretation: This example shows a highly profitable scenario, yielding over 3 million GP per hour. Adamantite bars, especially with the Varrock Hard Diary completed, can be an excellent money-making method. This OSRS Blast Furnace Profit Calculator helps you identify such opportunities.

How to Use This OSRS Blast Furnace Profit Calculator

Using this OSRS Blast Furnace Profit Calculator is straightforward and designed to give you quick, accurate insights into your potential earnings.

1. Select Bar Type: Choose the type of bar you intend to smelt from the dropdown menu (Steel, Mithril, Adamantite, Runite). This will automatically adjust the coal requirements for the calculation.
2. Input Ore Prices: Enter the current Grand Exchange prices for Coal, Iron Ore, Mithril Ore, Adamantite Ore, and Runite Ore. Always use up-to-date prices for the most accurate results.
3. Input Bar Prices: Enter the current Grand Exchange prices for Steel Bars, Mithril Bars, Adamantite Bars, and Runite Bars.
4. Enter Stamina Potion Price: Input the current GE price for a 4-dose Stamina Potion.
5. Estimate Bars Smelted Per Hour: This is a crucial input. Your actual efficiency will depend on your attention, ping, and setup (e.g., using a Coal Bag and Ice Gloves). Typical ranges are 1200-1800 bars/hour.
6. Adjust Foreman Fee: The default is 72,000 GP/hour. If you have completed the Varrock Hard Diary, change this to 0.
7. Check Equipment Checkboxes: Indicate if you own a Coal Bag and Ice Gloves. While these don’t directly change the calculation formula, they are critical for achieving high “Bars Smelted Per Hour” and are important assumptions.
8. Read Results: The calculator updates in real-time.
   • Estimated Hourly Profit: This is your primary result, showing your net GP/hr.
   • Profit Per Bar: The profit from each individual bar.
   • Hourly Revenue: Total GP earned from selling bars in an hour.
   • Hourly Total Cost: All expenses combined for an hour.
   • Hourly Stamina Cost, Hourly Ore Cost, Hourly Coal Cost: Detailed breakdown of your expenses.
9. Use the Comparison Table and Chart: The table provides a quick overview of profit per bar for all types based on your entered prices, while the chart visually compares profit and cost per bar.
10. Copy Results: Use the “Copy Results” button to easily save your calculation details for reference or sharing.
11. Reset: The “Reset” button will restore all inputs to their default values.

Decision-making guidance: Use the “Estimated Hourly Profit” to decide which bar type is most profitable at any given time. If the profit is negative, it means you’d lose money, and you should reconsider your strategy or wait for GE prices to shift. Always aim for the highest positive hourly profit to maximize your OSRS money making.

Key Factors That Affect OSRS Blast Furnace Profit Calculator Results

Several dynamic factors can significantly influence the profitability calculated by an OSRS Blast Furnace Profit Calculator. Understanding these is crucial for consistent OSRS money making.

1. Grand Exchange Price Fluctuations: The most impactful factor. Ore and bar prices on the GE are constantly changing based on supply and demand. A small shift in the price of coal or a popular bar can drastically alter your hourly profit. Regularly checking prices and using an up-to-date OSRS Blast Furnace Profit Calculator is vital.
2. Stamina Potion Costs: Stamina Potions are a significant hourly expense. If their price spikes, it can eat into your profits, especially for lower-value bars. Efficient use of potions and monitoring their cost is important.
3. Player Efficiency (Bars per Hour): Your personal speed and attention directly impact how many bars you can smelt in an hour. Higher “Bars per Hour” means more revenue and more profit, assuming a positive profit per bar. Factors like ping, focus, and proper inventory management play a role.
4. Equipment (Coal Bag & Ice Gloves): While not directly a cost, owning a Coal Bag and Ice Gloves is almost mandatory for maximizing efficiency. The Coal Bag allows you to carry more coal, reducing trips, and Ice Gloves let you collect bars instantly. Without them, your “Bars per Hour” will be significantly lower, reducing your overall OSRS Blast Furnace profit.
5. Blast Furnace Foreman Fee: The 72,000 GP/hour fee is a fixed cost. Completing the Varrock Hard Diary eliminates this fee, providing a substantial boost to your hourly profit. This is a key long-term goal for any serious Blast Furnace user.
6. Alternative Money Makers: The profitability of the Blast Furnace should always be considered in the context of other available money-making methods in OSRS. If another activity offers significantly higher GP/hr, it might be more efficient to pursue that instead. This OSRS Blast Furnace Profit Calculator helps you compare.
7. Smithing Level: While not directly affecting profit per bar, a higher Smithing level allows you to smelt higher-tier bars (like Adamantite and Runite), which often have better profit margins. It also contributes to faster XP rates, making the activity more rewarding overall.

Frequently Asked Questions (FAQ)

Q: Which bar type is usually the most profitable at Blast Furnace?

A: Profitability constantly shifts with Grand Exchange prices. Historically, Adamantite and Runite bars tend to offer the highest profit margins, especially with the Varrock Hard Diary completed. However, Steel bars can sometimes be profitable or offer good XP/GP balance. Always use an OSRS Blast Furnace Profit Calculator to check current prices.

Q: Is Blast Furnace an AFK money maker?

A: No, the Blast Furnace is highly click-intensive and requires constant attention to achieve maximum efficiency and profit. It involves continuously loading ores, collecting bars, and managing stamina. It is not an AFK method.

Q: What Smithing level do I need for Blast Furnace?

A: You need level 15 Smithing to use the Blast Furnace. However, higher levels are required for specific bars: 30 for Steel, 50 for Mithril, 70 for Adamantite, and 85 for Runite. For optimal profit, you’ll want to be able to smelt higher-tier bars.

Q: How do I get a Coal Bag and Ice Gloves?

A: The Coal Bag is obtained from the Prospector Percy’s Nugget Shop in the Motherlode Mine for 100 golden nuggets. Ice Gloves are a drop from the Ice Queen in the White Wolf Mountain dungeon.

Q: Is the Blast Furnace worth it for money making?

A: Yes, the Blast Furnace is consistently one of the best money-making methods in OSRS, often yielding millions of GP per hour, especially for higher-level bars and with the Varrock Hard Diary completed. However, its profitability depends heavily on current GE prices, which you can track with this OSRS Blast Furnace Profit Calculator.

Q: What about smelting Gold Bars at Blast Furnace?

A: Smelting Gold Bars at the Blast Furnace is primarily an experience-per-hour (XP/hr) method, not a profit method. While it offers incredibly fast Smithing XP, you typically lose money due to the cost of gold ore and the lack of a valuable bar product. This OSRS Blast Furnace Profit Calculator focuses on profit from other bar types.

Q: How can I reduce the Foreman fee?

A: The Foreman fee can be completely eliminated by completing the Varrock Hard Diary. This is a highly recommended achievement for anyone serious about Blast Furnace money making.

Q: What is a good “Bars Smelted Per Hour” rate?

A: With a good setup (Coal Bag, Ice Gloves, high agility for run energy, stamina potions) and consistent attention, players can achieve 1200-1800 bars per hour. Lower-tier bars might be slightly faster due to less coal per inventory, but higher-tier bars generally offer better profit per bar. Use this OSRS Blast Furnace Profit Calculator to see the impact of your efficiency.

Related Tools and Internal Resources

Enhance your OSRS experience and money-making strategies with these related tools and guides:

• OSRS Money Making Guide: Explore various methods to earn gold in Old School RuneScape, from skilling to bossing.
• OSRS Skilling Calculator: Plan your skill training efficiently, including XP rates and level requirements.
• OSRS GE Tracker: Monitor Grand Exchange prices in real-time to make informed buying and selling decisions.
• OSRS XP Calculator: Calculate the experience needed for your next level and plan your training path.
• OSRS Crafting Calculator: Determine the most profitable or fastest ways to train Crafting.
• OSRS Smithing Guide: A comprehensive guide to training Smithing, including methods beyond the Blast Furnace.