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OSRS Herb Run Calculator

Estimate the economics of Old School RuneScape herb runs without assuming a fixed route or live prices. Enter patches, expected herbs per patch, seed cost, herb price, patch costs, number of runs, and average run time.

Expected Total Profit
$480,000
Expected Herbs per Run
64 herbs
Expected Total Herbs
640 herbs
Estimated Total Cost
$800,000
Expected Revenue
$1,280,000
Expected Profit per Run
$48,000
Estimated Total Time
1 hour
Estimated GP per Hour
$480,000

Herb Run Cost vs Revenue

A live comparison of total expected herb-run cost and expected herb revenue across the entered number of runs.

Expected profit is revenue minus seed, patch, and route costs.

View full diagram →

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Works with WordPress, Webflow, Squarespace, Wix, Framer, Shopify, and any website that supports custom HTML or iframes.

The primary result is total expected herb-run profit. Supporting outputs show herbs per run, total herbs, total cost, revenue, profit per run, total time, and GP per hour.

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How to Use This Calculator

Enter the number of herb patches you use, expected herbs per patch, seed cost, herb sale value, compost or other patch cost, other route cost per run, number of runs, and minutes per run. Use an average yield that reflects your Farming level, diaries, equipment, secateurs, compost, and route.

Formula & Methodology

Expected herbs per run equal patches multiplied by average herbs per patch. Total herbs multiply herbs per run by the number of runs. Seed cost equals patches times seed cost times runs. Patch cost equals patches times cost per patch times runs. Revenue equals total herbs times herb value. Profit equals revenue minus seed, patch, and route costs. GP per hour scales profit by total run time.

How the OSRS Herb Run Calculator Works

See the calculation flow used by the OSRS Herb Run Calculator.

Flow diagram explaining how the OSRS Herb Run Calculator converts user inputs into its main results.
The calculator keeps rates, prices, averages, and probability assumptions visible instead of hiding them.

View full diagram →

Source: OSRS Wiki

Herb run profit example

With 8 patches averaging 8 herbs each, one run yields an expected 64 herbs before pricing. Enter seed, compost, route, and herb values to estimate expected profit.

Actual herb yield is random and affected by Farming level, compost, diaries, magic secateurs, disease, resurrect crops, patch availability, route, teleports, and game updates. The calculator uses average yield and manual prices rather than simulating individual patches or fetching live market data.

Expected yield is not guaranteed on any individual run. Verify current seed and herb prices and use a realistic average yield for your account.

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Frequently Asked Questions

How is expected herb-run profit calculated?
Expected revenue from average herbs is reduced by seed, patch, and route costs across the entered number of runs.
Is herbs per patch guaranteed?
No. Enter a realistic long-run average; individual patch yields are random.
Does the calculator use live herb prices?
No. Enter current seed and herb prices manually.
What should I include in patch cost?
You can include compost or other per-patch consumables. Teleports and route costs can be entered separately per run.
Does GP per hour include herb growth time?
No. It uses active run time only. Growth time is not active play time and is not included in the hourly rate.

Published 8/17/2026