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Clockwork
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 If prices appear to be outdated, purge the page by clicking here.

MaterialsEdit

This calculator calculates the cost per experience for each material used in Construction based on the current Grand Exchange prices.

Material Construction icon Level XP GE Cost Cost/XP
Plank Plank 1 30.5 267 8.75
Bolt of cloth Bolt of cloth 2 15 970 64.67
Clay Clay 3 10 170 17
Iron bar Iron bar 5 10 294 29.4
Limestone brick Limestone brick 5 20 282 14.1
Steel bar Steel bar 7 20 534 26.7
Oak plank Oak plank 15 60 524 8.73
Teak plank Teak plank 35 90 1,036 11.51
Mahogany plank Mahogany plank 40 140 2,126 15.19

Player-made planksEdit

Logs GE Cost XP Sawmill Costs Cost/XP[1] Cost/XP (GE)[2]
Logs Logs 78 30.5 100 3.28 5.84
Oak logs Oak logs 64 60 250 4.17 5.23
Teak logs Teak logs 284 90 500 5.56 8.71
Mahogany logs Mahogany logs 395 140 1,500 10.71 13.54
  1. Cost/XP assumes that the logs are obtained from drops or woodcutting.
  2. Cost/XP includes the costs of logs obtained from the Grand Exchange.

Servant costsEdit

Servant Construction icon
level
Payment Sawmill Max capacity Cost per item Cost per trip [1] Trip Time
Rick chathead Rick 20 500 No 6 items 10.42 62.5 60s
Maid chathead Maid 25 1,000 No 10 items 12.5 125 30s
Cook (servant) chathead Cook 30 3,000 Yes 16 items 23.44 375 17s
Butler chathead Butler 40 5,000 Yes 20 items 31.25 625 12s
Demon butler chathead Demon butler 50 10,000 Yes 26 items 48.08 1,250 7s
  1. Assumes the servant carries the maximum number of items they can hold per trip

Fetching planksEdit

This calculator calculates the cost per experience 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 Plank 29 267 290.44 10.02 298.25 10.28 315.08 10.86
Oak plank Oak plank 60 524 547.44 9.12 555.25 9.25 572.08 9.53
Teak plank Teak plank 90 1,036 1,059.44 11.77 1,067.25 11.86 1,084.08 12.05
Mahogany plank Mahogany plank 140 2,126 2,149.44 15.35 2,157.25 15.41 2,174.08 15.53

Converting logs to planksEdit

This calculator calculates the cost per experience 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 Logs 29 78 201.44 6.95 209.25 7.22 226.08 7.8
Oak logs Oak logs 60 64 337.44 5.62 345.25 5.75 362.08 6.03
Teak logs Teak logs 90 284 807.44 8.97 815.25 9.06 832.08 9.25
Mahogany logs Mahogany logs 140 395 1,918.44 13.7 1,926.25 13.76 1,943.08 13.88