This study aims to test the comparison of adhesive variations of the best charcoal briquettes and meet SNI from coconut shell material using cornstarch adhesive. The method used is the experimental method. The results of charcoal briquettes have a block shape with a length of 3 cm, a width of 3 cm, and a height of 3.5 cm with two types of adhesive percentages, namely A (7%) and B (10%) with 500…