Free tools
Tools for utility network designers
Free engineering calculators — they run in the browser, with no sign-up and nothing to install. We build them alongside Altivo, the longitudinal-profile editor for utility networks. Each tool is published in the language of its market.
PL · EN · DE
Long section from Excel — preview and elevation checks
Paste a table, correct your data and preview a utility profile without signing up. Continue in Altivo with your points and elevations intact.
PL · EN · DE
Example utility projects
View a complete profile, download a sample DXF and open a copy in Altivo. These fictional examples are for learning.
PL · EN · DE
Pipe slope and invert level calculator
Pipe slope and invert level calculator: solve gradient, invert, length or fall. Results as 1:n, %, ‰ and mm/m, imperial too, with a live long section.
For the UK, Ireland & North America
CSV → DXF · E/N/Z
CSV to DXF — survey points with point IDs and elevations
Turn a point list from Excel or CSV into DXF points with point-ID labels and optional elevations — explicit column mapping, absolute coordinates in metres kept as they are, no transformation and no feet conversion.
EPSG:27700 · 2157 · 29902 · SPCS83
Easting/northing ↔ latitude and longitude converter (UK, Ireland, US)
British National Grid (OSGB36), Irish Transverse Mercator, Irish Grid, UTM zones 1–60 and all 124 NAD83 State Plane zones ↔ WGS84 — single point or a pasted spreadsheet, with OS grid references and survey-foot handling.
For Poland
PN-81/B-03020
in PolishSoil frost depth in Poland — pipe cover calculator
Frost depth zones per the Polish PN-81/B-03020 standard and minimum cover for water, sewer, gas and cable networks.
EPSG:2176–2180
in PolishPL-2000 ↔ WGS84 coordinate converter (Poland)
Convert between the Polish PL-2000 (zones 5–8), PL-1992 and WGS84 — single points or whole tables pasted from Excel, with automatic zone detection.
For Germany, Austria & Switzerland
DIN 1054 · RStO 12 · SIA 205
in GermanFrost depth & pipe cover calculator (Germany, Austria, Switzerland)
Frost-free installation depth and minimum cover for water, sewer, gas and cable networks per DIN, DVGW, ÖNORM and SIA guidance.
EPSG:25832/33 · 31466–69 · 2056
in GermanUTM ↔ Gauss-Krüger ↔ WGS84 coordinate converter (DACH)
Convert UTM (ETRS89), Gauss-Krüger (DHDN), Austrian MGI and Swiss LV95/LV03 to WGS84 and back — single points or whole Excel tables, zones auto-detected.