HM Revenue & Customs

Contributing to a child's upkeep 

To work out how much you will be contributing to your child's upkeep, you need to include any money you'll contribute. But other contributions count as well. You'll also need to include the value of things such as:

It doesn’t matter if you're going to make your contributions weekly, monthly or in a lump sum to cover a set period.

You need to work out how much you are going to contribute, then work out how much this is each week. You may find the example below helpful.

Example

You're going abroad temporarily for six months. You're going to give £100 a month to the person your child's staying with, to cover their keep while you're away. You work out the weekly amount as follows:

£100 x 12 ÷ 52 = a contribution of £23.08 a week