Current Level (level) Enter your current Construction level (1 to 98)

Target Level (level) Enter your goal Construction level (2 to 99)

Training Method Custom Method Oak Larders Oak Dungeon Doors Teak Benches Teak Tables Mahogany Benches Mahogany Tables Select a training method or choose Custom to enter your own values

Experience Per Action (xp) Enter the experience gained per build action (e.g., 480 for Oak Larders)

Cost Per Action (gp) Enter the gold cost per build action including materials

Quick Examples:

Oak Larders: 50 to 70 Mahogany Tables: 70 to 83

Calculate Clear

This calculator is for informational purposes only. Experience rates and costs are estimates based on the values you provide. Actual in-game costs may vary based on Grand Exchange prices, servant fees, and market fluctuations.

What Is Total Construction Cost

Total Construction Cost is the amount of gold pieces needed to train your Construction skill from your current level to a target level using a specific training method. In Old School RuneScape, Construction is one of the most expensive skills to train because it requires building and removing furniture in your player-owned house. The cost depends on what furniture you build, how much experience each action gives, and how many levels you want to gain.

How Total Construction Cost Is Calculated

Formula

The calculator first finds the total experience points needed for both your current level and target level using the official Old School RuneScape experience curve formula. Then it subtracts these values to find how much experience you need to gain. Next, it divides the required experience by the experience you get per action and rounds up because you cannot do partial actions. Finally, it multiplies the number of actions by the cost per action to find your total gold cost.

Why Total Construction Cost Matters

Knowing your total construction cost helps you plan your gold budget before starting training. Construction is expensive, and many players underestimate how much gold they need to reach their goal level.

Why Budgeting Is Important for Construction Training

Construction requires large amounts of gold. Players who start training without knowing the total cost often run out of money halfway to their goal. This wastes time and can leave you stuck at an awkward level. Planning ahead lets you save enough gold or choose a cheaper training method that fits your budget.

For Budget-Conscious Players

Players with limited gold may want to choose cheaper training methods even if they are slower. This calculator shows the total cost so you can compare different methods. For example, teak furniture costs less than mahogany but gives less experience per action. You can enter different values to see which method works for your budget.

For Efficient Trainers

Players who want the fastest experience may prefer methods that cost more gold but give more experience per action. Mahogany tables are one of the fastest ways to train but cost millions of gold. This calculator helps efficient trainers see the total gold investment needed for their chosen method so they can prepare their bank accordingly.

Example Calculation

A player wants to train Construction from level 50 to level 70 using Oak Larders. Each Oak Larder action gives 480 experience and costs about 2,400 gold for the oak planks. The player enters these values: Current Level 50, Target Level 70, Experience Per Action 480, Cost Per Action 2400.

The calculator finds that level 50 requires 103,350 experience and level 70 requires 737,627 experience. The difference is 634,277 experience needed. Dividing by 480 experience per action gives 1,322 actions (rounded up). Multiplying 1,322 actions by 2,400 gold gives the total cost.

Total Cost: 3,172,800 gp

This player needs about 3.17 million gold and 1,322 Oak Larder actions to reach level 70 Construction. They can now decide if this fits their budget or if they want to try a different training method. The player may also want to consider that actual costs can vary based on Grand Exchange prices for oak planks.

Frequently Asked Questions

Who is this OSRS Construction Calculator for?

This calculator is for Old School RuneScape players who want to train their Construction skill. It works for players of all levels, from beginners starting at level 1 to experienced players pushing for level 99. Anyone who wants to know how much their training will cost can use this tool.

How accurate are the cost estimates?

The cost estimates are only as accurate as the values you enter. Material prices on the Grand Exchange change often. The cost per action should include the current price of planks or other materials you use. You may want to check current prices before calculating to get the most accurate estimate.

Does this calculator include servant fees?

No, this calculator does not include servant fees. Servants can bring planks from your bank to your inventory, which speeds up training. If you use a servant, you should add their fee to the cost per action. Servant fees range from small amounts for lower-level servants to larger amounts for the demon butler.

Can I use this calculator for Mahogany Homes?

Yes, you can use this calculator for Mahogany Homes by entering the average experience and cost per contract. Mahogany Homes gives variable experience based on the contract and your Construction level. You may need to calculate an average experience rate from your own training data to get accurate estimates.

What if my target level is lower than my current level?

The calculator requires your target level to be higher than your current level. Construction training only goes up, so there is no way to train to a lower level. Make sure your target level is greater than your current level for the calculation to work.