Each state has different rules and laws regarding the penalty for voluntary manslaughter and involuntary manslaughter. There are also unique factors between each situation to be considered. However, the typical penalty for involuntary manslaughter is a prison sentence of 10 years with a $20,000 fine. The typical penalty for voluntary manslaughter is a prison sentence of 15 years with a $30,000 fine. Having a knowledgeable, experienced lawyer on your case, defending your rights and offering guidance will make all the difference in the outcome of your case and its consequences.