or you can customise the calculation to your own circumstances. The Low Incomes Tax Reform Group has produced an excellent summary of thebroader UK tax terrain.
RPayTaxEmplSum Table [AX 2012] RPayTaxEmplTrans Table [AX 2012] RPayTaxIncomeGroupTable Table [AX 2012] RPayTaxIncomeTable Table [AX 2012] RPayTaxListTable Table [AX 2012] RPayTaxListTrans Table [AX 2012] RPayTaxListTransDetails Table [AX 2012] RPayTaxParameters Table [AX 2012] RP...