The Square footage Calculation of countertops

Notes:
- Standard width of countertop = 26 inches
- Standard height of splash = 4 inches
A. Square inches of splash
- Length of back splash + Length of end splash = total splash length
- Total splash length * 4 in = sq in of splash

B. Square inches of countertop
- Length of counter * 26 in = sq in of countertop

C. Square inches of bar area
- Length of bar at longest point * Width of bar at longest point = sq in of bar

Total square footage = (A + B + C) divided by 144.