OSRS Mahogany Homes Calculator
Plan Mahogany Homes Construction training with exact XP thresholds. Choose a contract tier, then enter average XP, plank use, steel-bar use, contract speed, and current prices.
- XP Remaining
- 13,034,431 XP
- Planks Needed
- 39,108 planks
- Steel Bars Needed
- 652 bars
- Carpenter Points
- 16,295 points
- Estimated Hours
- 271.58 hours
- Carpenter Points per Hour
- 60 points/hour
- Estimated Total Cost
- $0
- Estimated GP per XP
- 0 GP/XP
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The result shows contracts, XP remaining, planks, steel bars, Carpenter points, time, total cost, GP per XP, and expected points per hour.
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How to Use This Calculator
Select current and target Construction levels and a contract tier. Enter average XP, planks, steel bars, contracts per hour, plank price, steel-bar price, and other cost per contract. The tier automatically supplies 2, 3, 4, or 5 Carpenter points per contract.
Formula & Methodology
Contracts needed equal XP remaining divided by average XP per contract and rounded up. Carpenter points multiply contracts by the selected tier's points. Planks and steel bars multiply contracts by average use. Time divides contracts by contracts per hour. Total cost combines all materials and other costs. GP per XP divides total cost by XP remaining.
Expert contract example
If an Expert contract averages 4,000 XP and the goal requires 2,000,000 XP, the result is 500 contracts and 2,500 Carpenter points before material assumptions.
XP and materials vary by assigned home and furniture. This calculator uses averages entered by the user. It does not fetch a player account, live prices, exact assignment distributions, teleport costs, NPC Contact runes, supply-crate value, or every outfit and plank-sack effect.
Verify current contract requirements and prices. Actual XP, materials, and completion speed vary between assignments.
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Frequently Asked Questions
- How many Carpenter points does each contract give?
- Beginner contracts give 2, Novice 3, Adept 4, and Expert 5 Carpenter points.
- What are the contract level requirements?
- The documented requirements are level 1 for Beginner, 20 for Novice, 50 for Adept, and 70 for Expert.
- Which planks are used by each tier?
- Beginner uses regular planks, Novice oak, Adept teak, and Expert mahogany planks.
- Does the Carpenter's outfit affect contract-completion XP?
- Yes. Following the June 2024 update, the outfit bonus also applies to XP awarded on contract completion.
- Why are plank use and XP entered as averages?
- Assignments contain different furniture, so exact materials and XP vary by contract.
Last updated 7/17/2026