Free tool · Field · no sign-up

Unit & Scale Converter

Convert length, area, volume and mass, and translate between map scale and ground distance.

Who it's for: Anyone working between a land certificate, a map and a GPS.

All 10 tools Open data Observatory Climate Analytics

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Nine more that show their working.

Sample Plot & Spacing · Inventory
Log Volume (Hoppus & Huber) · Inventory
Tree Density & Basal Area · Inventory
Biomass & Carbon Estimator · Carbon & RS
Slope ↔ Horizontal Distance · Field
NDVI Calculator · Carbon & RS
Species Dictionary · Reference
Forestry Glossary · Reference
NTFP Directory & Prices · Reference

Every tool publishes its formula, sources, assumptions and limits. Browse all tools →

Open data

Released, with attribution.

Where a dataset can safely be public, we release it. Credit GeoSutra and the partners named.

GeoJSON

Manakamana tree crowns

6,543 detected crown polygons from the UAV survey. Credit: GeoSutra with Shree Manakamana CFUG and the Division Forest Office, Nawalpur.

Download → Aerial frames

Nuwakot flood imagery

16 georeferenced frames over Gairathok, Bidur-10 and Tupche, 27 August 2026.

Field report → JSON

Climate normals & warming trends

For all 753 local governments, derived from cited open climate datasets. Also warming-trends.json.

Download → Live map

Observatory

Nepal-clipped biodiversity, active-fire and climate layers, summarised by management unit.

Open → Live map

Climate Analytics

Normals, trends and CMIP6 projections, local government by local government.

Open → JSON

Reference tables

The species, glossary and NTFP datasets behind the tools. Also glossary · ntfp.

Download →

Open sources we build on: GBIF · iNaturalist · NASA FIRMS · CHELSA · Copernicus · OpenStreetMap / HOTOSM (ODbL) · national boundaries. How we handle data: data governance.