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Reverse Calculations - Grossing Up

Reverse calculation payments are when you want to pay an employee a fixed net amount that takes into account any tax, NI, pension, and student loan deductions and so the payment is 'grossed up'.

Reverse Calculation Example

Employee wants to be paid £2000 net pay every month. The employee is on a standard tax code and NI category. He has a student loan, postgraduate loan and contributes to a NEST pension.

Normally a gross pay of £2,000 would leave the employee paying £420.35 in deductions, leaving pay due as £1,579.65. However, as the employer has agreed that the employees net pay should be £2000, this is where a reverse calculation can be used.

When a reverse calculation have been applied, the gross pay has been increased to take into account of all the deductions so that the employee's net pay is £2000 and the gross pay is now £2,826.04.

Only one reverse calculation can be made and no other payments can be made to the employee unless they are free of tax, NI and pensions. For example, expenses can be added to the pay.

Available with a paid subscription only.

HMRC Further Guidance

  • EIM07700 - Employment income: tax-free remuneration ("grossing up")

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