Crochet Pattern: http://crobypatterns.com/crochet-donut/
Video Tutorial: https://youtu.be/DOh-lRxL1uA

You will need:
3 mm crochet hook
Yarn needle
Stitch markers
Yarn: DK weight, 50 g (1.75 oz).

Gauge: 11 sts and 11 rows in sc measure 2 x 2 inch (5 x 5 cm).

Stitches:
ch – chain
ss – slip stitch
sc – single crochet
dc – double crochet
hdc – half double crochet
sc2tog – join next two sts with sc2tog
st/ sts – stitch/ stitches.

All of my patterns are written in standard American terms.