BIAB Bag Calculator

Kettle Height in cm or inch
Kettle upper Diameter in cm or inch
Kettle lower Diameter in cm or inch
r1: 0.00 cm / inch
r2: 0.00 cm / inch
h: 0.00 cm / inch
ht: 0.00 cm / inch
a: 0.00 cm / inch
b: 0.00 cm / inch
C: 0.00 degrees
l: 0.00 cm / inch
Guide to make your own BIAB bag

Step 1: Measure your Kettle and enter the numbers

Step 2: Spread your Voile Fabric on a flat surface

Step 3: Make two strings (lenght a and b) with loops at their end

Step 4: By putting a marker in the loop, paint the blue curved lines on the fabric

Step 5: Measure l and mark the middle section of the black line on the fabric

Step 6: Mark a circle with radius r2 on the fabric

Step 7: Recheck you measurements and cut the fabric

[BIAB bag example picture] By lukasholenweg Buy Me a Beer Button