OSRS Farming Calculator

Calculate Farming XP, crop yield, and profit for herbs, trees, and more.

Profit & Yield Analysis

Breakdown per Farming Run

Metric	Value	Notes
Total Harvested Items	0	Based on patches and avg. yield.
Total Revenue	0 GP	Total items * value per item.
Total Seed Cost	0 GP	Total patches * cost per seed.
Final Profit	0 GP	Revenue – Cost.

What is the OSRS Farming Calculator?

The OSRS Farming Calculator is a powerful tool designed for Old School RuneScape players to optimize their farming runs. Whether your goal is to achieve the fastest experience gains, maximize your profit in GP, or simply understand the mechanics of the skill, this calculator provides the detailed insights you need. It allows you to simulate farming runs by inputting variables like your level, the seeds you’re using, the number of patches, and any special gear you have. By using an osrs farming calculator, you can avoid costly mistakes and make data-driven decisions on which crops are best to plant at any given time.

This tool is essential for both regular players looking to make money and for Ironmen who rely on Farming for a steady supply of herbs for Herblore. It demystifies the complex yield mechanics of the game, giving you a clear forecast of your potential returns.

The OSRS Farming Formula and Explanation

Farming calculations in OSRS are not based on a single formula but a combination of mechanics for planting, survival, and harvesting. This osrs farming calculator simplifies these complex systems for you.

Key Calculation Components:

• Planting XP: A fixed amount of XP awarded for successfully planting a seed.
• Harvest XP: XP gained for each item harvested from a patch. This is where the bulk of XP from allotment and herb patches comes from.
• Check-Health XP: A large, one-time XP drop for checking the health of a fully grown tree or fruit tree. This is the primary method for training with trees.
• Crop Yield: This is the most complex variable. For herbs, the base minimum is 3, but this number increases based on your Farming level, compost type, and other bonuses. The calculator uses a widely accepted model to estimate your average yield per patch.

Variables Table

Key Variables in Farming Calculations

Variable	Meaning	Unit	Typical Range
Farming Level	Your character’s skill level.	Level	1 – 99
Compost	Fertilizer to increase yield and prevent disease.	Type	None, Super, Ultra
Yield	The number of crops harvested from one patch.	Items	5 – 15+ (Herbs)
Magic Secateurs	A tool that increases yield from allotments, herbs, and hops.	Bonus	+10% Yield

Practical Examples

Example 1: Mid-Level Herb Farming for Profit

A player with a Farming level of 65 wants to farm Snapdragons for profit. They have access to 7 herb patches and use Ultracompost. They also have Magic Secateurs.

• Inputs: Level 65, Snapdragon seed, 7 patches, Ultracompost, Magic Secateurs checked.
• Calculation: The osrs farming calculator estimates an average yield of around 9 herbs per patch. At a market price of 8,500 GP per herb and a seed cost of 45,000 GP, the profit is substantial.
• Result: A total profit of around 290,000 GP per 80-minute run.

Example 2: High-Level Tree Run for XP

A player with level 90 Farming wants to gain the most XP possible. They decide to do a run of 6 Magic trees and 6 Yew trees.

• Inputs (Magic Trees): Level 90, Magic Sapling, 6 patches.
• Calculation: Checking the health of a Magic tree gives 13,768.3 XP. For 6 trees, that’s over 82,000 XP.
• Result: Combining the Yew and Magic tree runs gives the player over 120,000 Farming XP for about 15 minutes of effort, though they must wait many hours for the trees to grow. This is why our OSRS Slayer Calculator is a great tool to use while you wait.

How to Use This OSRS Farming Calculator

Using this calculator is simple. Follow these steps for an accurate calculation:

1. Enter Your Level: Input your current Farming level. This is crucial for calculating crop yield.
2. Select Your Seed: Choose the herb, tree, or allotment you plan to farm from the dropdown list. The calculator will pre-fill some data based on this.
3. Update Costs: Check the Grand Exchange and enter the current cost per seed and the value per harvested crop. This is key for an accurate profit calculation. Our High Alchemy Calculator can help you determine item values.
4. Set Patches & Compost: Enter the number of patches you will be using and the type of compost.
5. Add Bonuses: Check the boxes for any items you are using, like Magic Secateurs or the Farming Cape.
6. Analyze the Results: The calculator instantly updates your total profit, XP per run, and XP per hour. Use this data to compare different farming methods.

Key Factors That Affect OSRS Farming

Several factors can dramatically influence your XP and profit rates. Understanding them is key to becoming an efficient farmer.

• Farming Level: The single most important factor. Higher levels directly increase your herb and allotment yields.
• Compost Type: Ultracompost provides the highest yield bonus and the lowest chance of disease, making it essential for expensive seeds like Torstol and Snapdragon.
• Disease and Death: A diseased patch that is not cured will eventually die, resulting in a total loss of the seed and potential profit. Using better compost reduces this risk.
• Patch Availability: Unlocking additional herb patches through quests (like My Arm’s Big Adventure) and achievement diaries significantly boosts your profit and XP per run.
• Yield-Boosting Items: Magic Secateurs are a must-have, providing a 10% increase to herb, allotment, and hop yields. The Farming Cape provides a 5% increase.
• Attas Plant: An anima plant grown in the Farming Guild that provides a passive boost to crop yield for all patches in Gielinor. Consider checking out our Construction Calculator to see the costs of building up your player-owned house.

Frequently Asked Questions (FAQ)

What is the best herb to farm for profit in OSRS?

This changes with market prices on the Grand Exchange. Generally, high-level herbs like Snapdragon, Ranarr, and Torstol are the most profitable. Use the osrs farming calculator with current G.E. prices to find the definitive answer.

What is the fastest Farming XP in OSRS?

The fastest XP comes from doing regular tree and fruit tree runs. Planting the highest-level trees you can (Willows, Maples, Yews, Magics) provides massive “check-health” XP drops. Supplement this with high-XP herbs or allotments while you wait.

Does Ultracompost increase herb yield?

Yes. Ultracompost provides a significant increase to your minimum and average herb yield compared to Supercompost or regular Compost. It is almost always worth the extra cost for profitable herbs.

How does the Farming Cape help?

The trimmed Farming Skillcape acts like Magic Secateurs and provides a 5% increased chance of saving a life on a farming patch, on top of providing a small boost to crop yield. It’s a valuable item for anyone serious about the skill.

How many herb patches are there in OSRS?

There are a total of 9 standard herb patches, with one more available if you have a Kronos plant active in the Farming Guild. Many are locked behind quests and achievement diaries.

Is it worth paying the farmer to protect my patches?

For valuable crops like trees and fruit trees, it is almost always worth paying the protection fee. For allotments and herbs, using Ultracompost is usually sufficient and more cost-effective than paying for protection.

How does the Attas plant work?

When an Attas plant is fully grown in the Farming Guild’s anima patch, it passively increases the yield of all your farming patches across the game. The effect is random but provides a noticeable boost over time.

Where can I find other useful tools?

You can find many helpful tools on our site, like the OSRS Prayer Calculator for planning your next level.