Plan your Construction training with accurate contract, material, and time estimates
About This Calculator
The Mahogany Homes Calculator helps you plan your Construction training by showing exactly how many contracts you need to complete to reach your goal level or unlock specific rewards.
How to Use
Enter your details: Input your current Construction level and XP, or use the lookup button to automatically fetch them from the OSRS Hiscores
Set your goals: Choose a target level and/or select the rewards you want to unlock
Configure settings: Select your contract tier based on your level and indicate which outfit pieces you already own
Calculate: Click the Calculate button to see how many contracts, materials, XP, and points you'll earn
Contract Information
Tier
Level
Points
XP
Planks
Beginner
1
2
879
~10 Regular
Novice
20
3
1,894
~10 Oak
Adept
50
4
3,260
~12 Teak
Expert
70
5
4,379
~13 Mahogany
Steel bars are also required (~0.4-0.5 per contract). Full material breakdown shown in results.
Pro Tips
Plank Sack: Costs 350 points, holds 28 planks - get this first!
Carpenter's Outfit: Full set gives 2.5% XP bonus (2,000 points total)
Efficient Teleports: Use house teleports with Portal Nexus or teleport tablets
NPC Contact: Lunar spell to get new contracts without running to Amy
Popular Route: Many players do Adept contracts even at 70+ due to mahogany costs
Player Information
We'll fetch your current Construction level from the OSRS Hiscores
Your Goals
Configuration
Max Efficiency requires plank sack, optimal teleports, and NPC Contact spell
Full set bonus: 2.5% total XP (not additive)
Results
Total Contracts
0
Estimated Time
0
Points Earned
0
XP Gained
0
Ending XP
0
Ending Level
0
Material Requirements
Estimates based on averages - actual amounts may vary per contract