Coordinates

Coordinates numerically represent your location in a Minecraft world. They are based on a grid where three lines or axes intersect at the player's spawn point: thereby forming a right-handed coordinate system (thumb&equiv;x, index&equiv;y, middle&equiv;z), making it easy to remember which axis is which.
 * the x-axis indicates the player's distance north (negative) or south (positive) of the spawn point--i.e., the longitude,
 * the z-axis indicates the player's distance east (negative) or west (positive) of the spawn point--i.e., the latitude,
 * the y-axis indicates how high or low (from 0 to 127, with 64 being sea level) the player is--i.e., the elevation,

Additionally, the f number in the debug screen tells you which direction the player is currently facing. 0 equals due north. Thus:
 * 0 = north
 * 1 = west
 * 2 = south
 * 3 = east

Displaying Coordinates
Pressing (or + on Macs and some laptops) brings up a debug screen with various data--including your current coordinates, at the top left of the screen.

Interpreting Coordinate Numbers
The spawn point marks the zero point for the x and z coordinates. Hence, it may be thought of as the 0,0 coordinate: As you travel south, the x-axis number increases. Travel north and it decreases. And, negative x-axis numbers indicate that you are north of the spawn point. Similarly, the z-axis number increases as you travel west and decreases as you travel east. Negative z coordinates are locations east of the spawn point.
 * x-axis = 0
 * z-axis = 0

One coordinate number equals one block. And, in terms of real-world measurement, one block equals 1 cubic meter.

The y coordinate, for elevation, works a bit differently than the x and z coordinates in terms of spawning. Typically, you do not spawn at y-coordinate 0. Instead, y 64 is the overworld water sea level, y 31 is the Nether lava sea, and y 10 is the overworld lava flood sea.

With these numbers in mind, we can see that the player's debug screen above locates him or her at (ignoring the numbers after the decimal point for simplicity):
 * x 255 = 255 south
 * y 63 = just below sea level
 * z 159 = 159 west
 * f 3 = facing east

Coordinate Usage
Coordinates may be put to a variety of uses.

Once players establish bases, they should note their coordinates before going exploring. If they get lost or respawn they can find their way back to their bases by walking to those coordinates.

Coordinates are often used when seed sharing to give directions on where to go to find things.

In single player mod my coordinates go up but then at 214 on the x they go down regardless of if I travel north or south. I have played this character through multiple respawn and over a 3 map area. So coordinates might not be all that reliable in single player mode.

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