UTM Zone 10N to NAD83 (lat/lng) Coordinate Converter
Free online tool to convert coordinates from WGS84 / UTM zone 10N (US West) (EPSG:32610) to North American Datum 1983 (EPSG:4269). Professional-grade accuracy using proj4, zero install, runs in your browser.
About UTM Zone 10N
WGS84 / UTM zone 10N (US West) (EPSG:32610). UTM zone 10N covers 126° to 120° West — California, Oregon, Washington, British Columbia. Bay Area and Silicon Valley standard.
About NAD83 (lat/lng)
North American Datum 1983 (EPSG:4269). Standard geographic reference for USA, Canada, Mexico. Drifts slowly relative to WGS84 (~1m difference in typical use). Base for all US survey products.
Frequently Asked Questions
What is the difference between UTM Zone 10N and NAD83 (lat/lng)?
UTM Zone 10N (EPSG:32610) is utm and based in Global, while NAD83 (lat/lng) (EPSG:4269) is geographic based in USA. UTM zone 10N covers 126° to 120° West — California, Oregon, Washington, British Columbia. Bay Area and Silicon Valley standard. In contrast, standard geographic reference for usa, canada, mexico. drifts slowly relative to wgs84 (~1m difference in typical use). base for all us survey products.
Is this conversion accurate for surveying?
Yes. The conversion uses the industry-standard proj4 library with full datum shift parameters (). Typical accuracy is sub-meter for civilian applications. For cadastral precision, always verify against the official agency datum.
What coordinate format should I use?
For UTM Zone 10N, enter coordinates as easting, northing in meters (e.g. 514500, 5033880). The tool auto-detects the format.
Can I convert many points at once?
Yes, use our batch CSV converter. Upload a CSV with your points, select the transformation, download the converted file. Free with a SurveyingPedia account.
Is there an API?
Yes — call /api/v1/transform?from=EPSG:32610&to=EPSG:4269&coords=lat,lng for programmatic access. It returns the transformed coordinates as JSON.