The following are the constants used by the Plan58 calculators. To report an issue, please contact us using the form below the table.

Calculator Presets

Preset Label Value
Personal Allowance Max 12570
Personal Allowance Taper Start 0
Threshold Warning Zone Floor 0
Personal Allowance Taper Divisor 2
Higher Rate Threshold 50270
Additional Rate Threshold 125140
Basic Rate Tax Percentage 0.2
Higher Rate Tax Percentage 0.4
Additional Rate Tax Percentage 0.45
Hicbc Start Threshold 60000
Hicbc End Threshold 80000
Weekly Eldest Child Benefit 27.05
Weekly Additional Child Benefit 17.9
State Pension Amount 12547
State Pension Age 66
Standard Rate Ni 8
Marginal Rate Ni 0
Tfc Value Per Child 2000
Tfc Disabled Value Per Child 4000
Thirty Hours Annual Value 8001
Taper Ratio 0.5