Construction Calculator OSRS 2026 Edition

Plan your 1–99 Construction journey with real-time plank costs, XP estimates, and GP savings. Perfect for ironmen, mains, and skillers aiming for max house.
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Whether you need a construction calculator osrs to estimate oak planks or a detailed osrs construction training calculator for mahogany tables, our tool provides precise XP & cost forecasts. Updated for 2026 OSRS market trends, you'll also get pro training methods and a full cost breakdown.

OSRS Construction XP & Cost Estimator

Choose your current level, target level, and plank type. See exact materials and gold needed to reach your construction goal.

OSRS Construction Training Methods 2026

From oak larders to mahogany tables – XP rates & cost analysis
Plank TypeXP per plankAvg GP/plank (GE)GP/XPBest Level Range
Oak Plank604808.033–74 (Oak larders / dungeon doors)
Teak Plank906507.2274–86 (Teak garden benches / myth capes)
Mahogany Plank140230016.4386–99 (Mahogany tables / Gnome bench)
Mahogany Homes~150-200% efficiencyvariable~4-6 GP/XPAny (contracts)
🔥 Exclusive 2026 insight: Using Mahogany Homes contracts can save 40-50% GP compared to traditional mahogany tables, though XP rates are slightly lower. For ironman, plank make + kingdom management reduces plank costs dramatically. Also, use Crystal saw (+3 boost) and Spicy stews (+5) to save millions by building at lower levels.

1-99 Construction Planks & Cost Overview

Total XP required: 13,034,431. Based on 2026 average plank rates
Plank TypeTotal planks (1-99)Estimated GP costTime estimate (efficient)
Oak Planks~217,241~104.3M GP~35 hours
Teak Planks~144,827~94.1M GP~28 hours
Mahogany Planks~93,103~214.1M GP~18-20 hours
Mahogany Homes (Teak)~70k supplies~55-65M GP~30-35 hrs

How to Use This Construction Calculator OSRS

  • Step 1: Enter your current Construction level & desired level (1-99).
  • Step 2: Select the plank type you intend to use. Oak is cheapest, mahogany is fastest.
  • Step 3: Adjust plank price based on GE or your own supply cost (e.g., Ironman using logs + sawmill).
  • Step 4: Optionally add butler fees – Demon butler recommended for noted planks.
  • Step 5: Click "Calculate" and view required planks, total XP, GP cost, and GP/XP ratio.
  • 2026 Cost-Saving Checklist

    Key Construction Unlocks & Levels

    LevelUnlock / BenefitRecommended method
    50Portal Chamber (teleports)Oak larders
    70Gilded Altar / Ornate jewellery boxOak dungeon doors / Teak benches
    84Occult altar + max pool (spicy stew boost)Teak garden benches
    90+Spirit tree & fairy ring comboMahogany tables / Gnome benches
    99Max cape, Construction cape (infinite teleport to house)Mahogany tables (efficient)

    Frequently Asked Questions

    What is the fastest Construction training method in OSRS?
    Mahogany tables (140 XP per plank) are the fastest, reaching 900k+ XP/h with good clicks. Our construction calculator osrs estimates exact plank costs.
    How many oak planks for 1-99 Construction?
    Around 217,241 oak planks, costing ~104M GP with current prices. Use our osrs construction cost calculator for live adjustments.
    Is Mahogany Homes worth it in 2026?
    Absolutely. It reduces GP cost by ~40-50% and provides the Carpenter’s outfit (2.5% XP boost). Great for budget-conscious players.
    Does the Crystal saw work with this calculator?
    Our tool calculates based on raw levels. Crystal saw (+3 invisible boost) allows building things 3 levels early, but XP rates remain same. Factor it for unlocks.
    Can I use this osrs construction training calculator for Ironman?
    Yes! Adjust plank price to your cost (e.g., oak logs 35gp + sawmill fee) and uncheck butler if using plank make.
    What’s the cheapest 99 Construction method?
    Mahogany Homes with teak/mahogany mix or Oak larders to 74 then Mahogany Homes contracts provide best gp/XP ratio.

    Important note – OSRS calculator use

    All calculations are estimates based on OSRS mechanics (XP per plank, standard GE prices). Actual in-game costs may vary due to market fluctuations, but the construction calculator osrs gives a reliable baseline. TotalCalcHub is not affiliated with Jagex. Always verify with in-game data.