请问银行贷款月供怎么算?

贷款利率5.445%,这是年利率,折算成月利率为5.445%/12,300000元,10年期(120个月),月供为:300000*5.445%/12*(1+5.445%/12)^120/[(1+5.445%/12)^120-1]=3247.62元说明:^120为120次方