Atlas Sheet Conversions

Help Docs

Atlas Sheet to Lat/Long
Lat/Long to Atlas Sheet
Batch Atlas Conversion

This tool converts Atlas Sheet Coordinates into 3 different formats.

Input example: 22 : 12 : 123 to represent 22-12-1-2-3. Click Calculate and the results will be displayed below.

Atlas Sheet Coordinates:

: :

Calculate

Output:

ddmmss.ss (NAD27):
Decimal Degrees (NAD27):
USGS Quadrangle:

This tool converts Latitude/Longitude coordinates into Atlas Sheet Coordinates.

Input example: Lat 411752 Long 743845 (no negatives). Click Calculate and the results will be displayed below.

DDMMSS (NAD27) Coordinates:

Latitude Longitude

Calculate

OR

Input example: Lat 41.2981481 Long 74.6462963 (no negatives). Click Calculate and the results will be displayed below.

Decimal Degree (NAD27):

Latitude Longitude

Calculate

Output:

Atlas Sheet Coordinates:
USGS Quadrangle:

This tool batch converts Atlas Sheet Coordinates into 3 different formats.
It can also output in a format for converting NAD27 Decimal Degree to NAD83 DDMMSS. Check the box above the output to select this option. You can save this file and import it by going to the NADCON link in the dropdown menu. See the help file for more information.

The checkbox must be checked to download or export.
Input example: "22:12:123" without the quotes, one per line. Click Calculate and the results will be displayed to the right.

Atlas Sheet Coordinates: Output:

Format for NADCON / KML

Calculate Download Output Export KML (NAD27)