↖ CPA Weather Lab

🌐 Grid Cell & Degree Box Calculator

Convert 800m, 1km, 4km, 5km grid cells or degree boxes into exact mileage, degrees, and count how many fit in any state.

Quick Presets (Climate, Weather & Satellite Grids):
CALIFORNIA CAPACITY
26,498
grid cells fit within this state
Total State Area 163,696 sq mi
Area of Single Grid Cell 6.18 sq mi (16 sq km)
State Span N–S (Height) ~262 cells tall
State Span E–W (Width) ~212 cells wide

📐 Degree Department Breakdown

Calculating...

📐 Side-by-Side Cell Geometry (South vs Center vs North)

Why does the degree conversion change across the state?
If you work with fixed metric grids (like PRISM 4km or Daymet 1km), the physical height and width remain constant squares. But on a map coordinate system, it takes more degrees of longitude to cover 4 km up north than it does down south because longitude lines pinch together near the North Pole.
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