For the building and construction industry there is a unique tool for quick calculation of construction costs.

A joint venture between Rakennustieto Oy, Mittaviiva Oy and Ihme-3d Oy developed a new tool for calculating construction costs. The RT calculations (RT-kustannuslaskenta) is based on the popular Klara Net costing program. After application update, costs calculation time is remarkable accelerated thanks to the new easier and faster user interface.


RT construction costs is an easy-to-use tool for estimating construction costs for new, reshuffle and enlargement construction projects. It allows you to make works contracts, and find reliable data content of Rakennustieto. RT-kustannuslaskenta is link to RT product information and will also link to Ratu-kortisto ja RT-kortisto (Both available only Finnish language).


Due to template model projects, you accelerate greatly the estimation costs process and by means of surveyed info for material and working load, estimation construction costs is accurate. The RT-kustannuslaskenta library and the price list are updated at least once a year.

More info (in Finnish)

Leave a Reply

Your email address will not be published. Required fields are marked *