The adjusted current yield is given by the current yield with addition of ${\displaystyle {\frac {({\text{Face value}}-{\text{Clean price}})/{\text{Years to maturity}}}{\text{Clean price}}}\cdot 100\%.}$
In total the adjusted current yield is given by ${\displaystyle {\frac {\text{Annual coupon payments}}{\text{Clean price}}}\cdot 100\%+{\frac {({\text{Face value}}-{\text{Clean price}})/{\text{Years to maturity}}}{\text{Clean price}}}\cdot 100\%.}$