Pi Day Knit Hat Pattern

People who love math will adore this! This Pi Day Knit Hat Pattern is designed to keep your head warm and add a bit of geek fun in the process. The stripes are worked in rows that correspond to the digits in Pi, the formula for calculating the diameter or circumference of a circle. Free knitted hat patterns like this just don't seem to exist for all the number nerds out there. See if you can figure out what stripes represent what before you learn how to knit a hat for Pi day.

Knitting Needle Size7 or 4.5 mm

Yarn Weight(4) Medium Weight/Worsted Weight and Aran (16-20 stitches to 4 inches)

Gauge0 stitches, 0 rows, 0 inches.

Materials List

• Washable worsted weight, two colors, approx 110 yards of each plus a 7 ft piece in contrasting color
• Needle with large eye for weaving in end
• Medium sized pom pom maker