- Coster 💰

Automatically generate cost estimates for your tunnelling project.

Use the buttons below to switch between calculating tunnel and shaft costs.

Tunnel cost calculator

This tool is intended for a quick estimate only.
Tunnel length km
Enter a number between 0 & 10.
Tunnel outer dia. m
Enter a number between 0 & 15.
Region:
Geology:
Region:
Currency:

Tunnel cost results

The costs for tunnelling below are inclusive of all design, construction and material costs associated with tunnelling. Costs associated with launch/retrieval shaft construction are not considered. Read more about the method used to calculate costs here.
Construction method Total Cost (- million)
Construction with TBM -
Mined (Drill and blast or road header) -
Cut and cover -

Tunnel cost details

Estimated cost per m

The estimated cost of tunnelling per m for a -km tunnel of -m diameter in - geology, with the project located in - is shown below.
Construction method Cost (- per m)
Construction with TBM -
Mined (Drill and blast or road header) -
Cut and cover -

Estimated cost per m by geology

The estimated cost of tunnelling per m for a - tunnel of -m diameter, in - is seen below. Use the buttons above to adjust the tunnelling method used and update this section.
Geological conditions Cost (- per m)
Soft -
Poor -
Fair -
Good -

Estimated cost per m by region

The estimated cost of tunnelling per m for a - tunnel of -m diameter in - geology is seen below. Use the buttons above to adjust the tunnelling method used and update this section. More information on global costs can be found here and here.
Region Cost (- per m)
USA -
Australia -
Europe -
Middle East -
India -
China -
South East Asia -

Estimated cost per m of twin bore tunnels

The estimated costs associated in constructing two adjacent tunnels of -m diameter in - geology, with the project located in - are seen below. These costs include the cost of cross passage construction.
Construction method Cost (- per m)
Construction with TBM -
Mined (Drill and blast or road header) -
Cut and cover -

Shaft cost calculator

This tool is intended for a quick estimate only.
Shaft depth m
Enter a number between 0 & 50.
Shaft shape:
Shaft outer dia. m
Enter a number between 0 & 40.
Shaft length m
Enter a number between 0 & 80.
Shaft width m
Enter a number between 0 & 40.
Shaft area m2
Enter a number between 0 and 3500m2.
Geology:
Region:
Currency:

Shaft cost results

The costs for shaft construction below are inclusive of all design, construction and material costs They do not include costs associated with tunnel construction.
Shaft excavation volume -
Cost per m3 of shaft excavation -
Total cost of shaft excavation -

Shaft cost details

Estimated cost per m3 by geology

The estimated cost of shaft construction per m3 of shaft volume in - is seen below.
Geological conditions Cost per m3
Soft -
Poor -
Fair -
Good -

Estimated cost per m3 by region

The estimated cost of shaft construction per m3 of shaft volume in - geology is seen below.
Region Cost per m3
USA -
Australia -
Europe -
Middle East -
India -
China -
South East Asia -