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This is a static calculator. It does not take user inputs, but it does use changing prices from the Grand Exchange Market Watch. If prices appear to be outdated, purge the page by clicking here.
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Materials
This calculator calculates the cost per exp for each material used in Construction based on the current Grand Exchange prices.
| Material |  Level
|
XP | GE Cost | Cost/XP |
|---|---|---|---|---|
 Plank
|
1 | 30.5 | 424 | 13.9 |
 Bolt of cloth
|
2 | 15 | 851 | 56.73 |
 Clay
|
3 | 10 | 173 | 17.3 |
 Iron bar
|
5 | 10 | 192 | 19.2 |
 Limestone brick
|
5 | 20 | 180 | 9 |
 Steel bar
|
7 | 20 | 473 | 23.65 |
 Oak plank
|
15 | 60 | 507 | 8.45 |
 Teak plank
|
35 | 90 | 967 | 10.74 |
 Mahogany plank
|
40 | 140 | 2,110 | 15.07 |
Player-made planks
| Logs | GE Cost | XP | Sawmill Costs | Cost/XP[1] | Cost/XP (GE)[2] |
|---|---|---|---|---|---|
 Logs
|
138 | 30.5 | 100 | 3.28 | 7.8 |
 Oak logs
|
143 | 60 | 250 | 4.17 | 6.55 |
 Teak logs
|
286 | 90 | 500 | 5.56 | 8.73 |
 Mahogany logs
|
413 | 140 | 1,500 | 10.71 | 13.66 |
- ↑ Cost/XP assumes that the logs are obtained from drops or woodcutting.
- ↑ Cost/XP includes the costs of logs obtained from the Grand Exchange.
Servant Costs
| Servant | level |
Payment | Sawmill | Max capacity | Cost per item | Cost per trip [1] | Trip Time | |
|---|---|---|---|---|---|---|---|---|
|
Rick | 20 | 500 | No | 6 items | 10.42 | 62.5 | 60s |
|
Maid | 25 | 1,000 | No | 10 items | 12.5 | 125 | 30s |
| File:Cook (Servant) chathead.png | Cook | 30 | 3,000 | Yes | 16 items | 23.44 | 375 | 17s |
|
Butler | 40 | 5,000 | Yes | 20 items | 31.25 | 625 | 12s |
|
Demon butler | 50 | 10,000 | Yes | 26 items | 48.08 | 1,250 | 7s |
_chathead.png){kind=link}
- ↑ Assumes the servant carries the maximum number of items they can hold per trip
Fetching planks
This calculator calculates the cost per xp for each type of plank used in Construction if a servant is used to fetch the planks from the bank.
| Material | XP | Plank Cost | Cook | Butler | Demon butler | |||
|---|---|---|---|---|---|---|---|---|
| Cost | Cost/XP | Cost | Cost/XP | Cost | Cost/XP | |||
| Plank
|
29 | 424 | 447.44 | 15.43 | 455.25 | 15.7 | 472.08 | 16.28 |
| Oak plank
|
60 | 507 | 530.44 | 8.84 | 538.25 | 8.97 | 555.08 | 9.25 |
| Teak plank
|
90 | 967 | 990.44 | 11 | 998.25 | 11.09 | 1,015.08 | 11.28 |
| Mahogany plank
|
140 | 2,110 | 2,133.44 | 15.24 | 2,141.25 | 15.29 | 2,158.08 | 15.41 |
Converting logs to planks
This calculator calculates the cost per xp for each type of plank if the servant is used to convert the logs to plank.
- The calculator assumes that the servant takes two trips to convert each batch of logs.
- One trip to retrieve the logs from the bank
- One trip to convert the logs to planks at the Sawmill
Note: Only the Cook, Butler, and Demon butler are able to make trips to the Sawmill.
| Material | XP | Log Cost | Cook | Butler | Demon butler | |||
|---|---|---|---|---|---|---|---|---|
| Cost | Cost/XP | Cost | Cost/XP | Cost | Cost/XP | |||
| Logs
|
29 | 138 | 261.44 | 9.02 | 269.25 | 9.28 | 286.08 | 9.86 |
| Oak logs
|
60 | 143 | 416.44 | 6.94 | 424.25 | 7.07 | 441.08 | 7.35 |
| Teak logs
|
90 | 286 | 809.44 | 8.99 | 817.25 | 9.08 | 834.08 | 9.27 |
| Mahogany logs
|
140 | 413 | 1,936.44 | 13.83 | 1,944.25 | 13.89 | 1,961.08 | 14.01 |