Free tool · Inventory · no sign-up

Tree Density & Basal Area

Convert spacing or plot counts to stems per hectare, and estimate basal area from mean diameter.

Who it's for: Anyone turning a plot tally or planting spacing into stocking figures for an operational plan.

All 10 tools Open data Observatory Climate Analytics

More free tools

Nine more that show their working.

Sample Plot & Spacing · Inventory
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Biomass & Carbon Estimator · Carbon & RS
Slope ↔ Horizontal Distance · Field
NDVI Calculator · Carbon & RS
Unit & Scale Converter · Field
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.