Osrs High Alch Calculator

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Technical Review by: David Chen, CFA & OSRS Enthusiast

Optimize your magic training and gold farming efficiency with this precise OSRS High Alch Calculator. Determine your profit margin per cast instantly.

High Alch Calculator

The cost to buy the item.
Gold received from the spell.
Current price of a Nature Rune.

OSRS High Alch Calculator Formula

The standard High Alchemy formula determines the net profit or loss generated by casting the spell on a specific item.

Profit = High Alch Value – (Item Price + Nature Rune Price)

Source: Old School RuneScape Wiki.

Variables

  • Item Price (GE): The current Grand Exchange market price you pay to acquire the item.
  • High Alch Value: The fixed amount of gold coins (gp) the game gives you when the item is alchemized.
  • Nature Rune Price: The cost of the Nature Rune required to cast the spell (assumes you are using a Staff of Fire for free fire runes).
  • Quantity: The number of items you intend to alchemize.

Related Calculators

What is an OSRS High Alch Calculator?

An OSRS High Alch Calculator is an essential tool for Old School RuneScape players looking to train their Magic skill efficiently. High Level Alchemy (Level 55 Magic) converts items into gold coins. However, because the cost of the item and the Nature Rune can sometimes exceed the gold returned, players risk losing money.

By using this calculator, you can input real-time market data to identify which items yield a profit (or minimize loss) while gaining Magic experience. This allows for “breaking even” or even profiting while training, effectively making your Magic XP free.

How to Calculate High Alch Profit (Example)

Let’s calculate the profit for High Alching a Yew Longbow.

  1. Determine High Alch Value: A Yew Longbow alchs for 768 coins.
  2. Check GE Price: You buy the bow for 550 coins.
  3. Check Rune Cost: A Nature Rune costs 95 coins.
  4. Calculate Total Cost: 550 + 95 = 645 coins.
  5. Calculate Margin: 768 (Value) – 645 (Cost) = 123 coins profit per item.

Frequently Asked Questions (FAQ)

Does High Alchemy grant Magic XP?

Yes, every cast of High Level Alchemy grants 65 Magic experience points, regardless of the item used.

What staff should I use for High Alching?

You should almost always use a Staff of Fire (or Tome of Fire). This provides unlimited Fire Runes, meaning you only need to pay for Nature Runes.

Is there a limit to how many items I can buy?

Yes, the Grand Exchange has buy limits (e.g., 10,000 items every 4 hours for feathers, but only 70 for certain weapons). Always check the buy limit before planning a large alch session.

What is the best item to High Alch?

The “best” item changes daily based on market prices. Common favorites include Rune items, D-hide bodies, and Yew/Magic Longbows. Use the calculator above to verify current margins.

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