This application estimates both the Purchased Cost and the Bare Module Cost of process equipment for any given year from 1957 to present. For each piece of equipment, there are three interactive columns which provide a convenient environment for copy-paste, comparison, and sensitivity analysis. The calculation core is adopted from Turton et al. (2018) who reviewed and updated the modular technique and cost data proposed by Guthrie (1974) and Ulrich (1984). All affecting parameters, i.e. type, capacity, pressure, temperature, materials of construction, and inflation are taken into account for equipment cost estimation. Thanks to incorporating average values of published cost data, the accuracy of cost estimation is at a high level of ±12%. This application covers all major process equipment, i.e. Compressors, Columns, Dryers, Evaporators, Heaters, Heat Exchangers, Mixers, Turbines, Pumps, Reactors, Storage Tanks, Vessels, and etc. Please refer to for background information and technical support.


Guthrie, K.M., "Process Plant Estimating, Evaluation and Control", Solana Beach, 1974.

Turton, R., Shaeiwitz, J.A., Bhattacharyya, D., Whiting, W.B., "Analysis, Synthesis, and Design of Chemical Processes", Fifth Edition, Pearson Education, 2018.

Ulrich, G.D., "A Guide to Chemical Engineering Process Design and Economics", John Wiley and Sons, 1984.
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What's New

Fully tested and approved version of the most reliable and convenient cost estimator for the process equipment.
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Additional Information

Eligible for Family Library
Eligible if bought after 7/2/2016. Learn More
July 30, 2018
Current Version
Requires Android
4.0 and up
Content Rating
Offered By
Ali Pourahmadi Laleh
132 Sienna Park Dr. SW Calgary, AB Canada T3H 5H5
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