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+---
+title: GeolocationCoordinates.accuracy
+slug: Web/API/GeolocationCoordinates/accuracy
+tags:
+  - API
+  - Geolocation API
+  - GeolocationCoordinates
+  - Property
+  - Secure context
+  - accuracy
+browser-compat: api.GeolocationCoordinates.accuracy
+---
+{{securecontext_header}}{{APIRef("Geolocation API")}}
+
+The **`GeolocationCoordinates.accuracy`** read-only property is
+a strictly positive `double` representing the accuracy, with a 95% confidence
+level, of the {{domxref("GeolocationCoordinates.latitude")}} and
+{{domxref("GeolocationCoordinates.longitude")}} properties expressed in meters.
+
+## Syntax
+
+```js
+let acc = geolocationCoordinatesInstance.accuracy
+```
+
+### Value
+
+A positive `double` representing the accuracy, with a 95% confidence level,
+of the {{domxref("GeolocationCoordinates.latitude")}} and
+{{domxref("GeolocationCoordinates.longitude")}} properties expressed in meters.
+
+## Specifications
+
+{{Specifications}}
+
+## Browser compatibility
+
+{{Compat}}
+
+## See also
+
+- [Using the Geolocation API](/en-US/docs/Web/API/Geolocation_API/Using_the_Geolocation_API)
+- {{domxref("GeolocationCoordinates")}}