Use the TavaJobs UK child maintenance and take-home pay calculator to estimate how child maintenance payments may affect your monthly income.
Enter your annual salary, number of children and basic care details below to estimate your take-home pay after Income Tax, employee National Insurance and child maintenance.
Estimate Child Maintenance and Take-Home Pay
Use this calculator to estimate your take-home pay after Income Tax, employee National Insurance and possible child maintenance payments.
This tool uses a simplified version of the standard UK Child Maintenance Service percentage approach for gross weekly income.
Your estimated result
Estimated yearly breakdown
How this calculator works
The calculator first estimates your take-home pay after Income Tax and employee National Insurance. It then estimates child maintenance using simplified UK percentage rates based on gross weekly income and the number of children.
The estimate may be different from an official Child Maintenance Service calculation because individual circumstances, pension contributions, shared care, other children and special adjustments may affect the final amount.
Frequently asked questions
Is this an official child maintenance calculation?
No. This is a simple estimate to help you understand possible figures. For an official calculation, use GOV.UK or contact the Child Maintenance Service.
Does child maintenance use gross or net income?
The Child Maintenance Service usually uses the paying parent’s gross weekly income before tax and National Insurance.
Does shared care reduce child maintenance?
Shared care can reduce the weekly amount depending on how many nights the child stays with the paying parent during the year.
Does this calculator include pension contributions?
No, this simple version does not include pension contributions or all possible Child Maintenance Service adjustments.
This calculator gives an estimate only and does not replace legal, financial, tax, payroll or Child Maintenance Service advice. Your actual child maintenance amount may vary depending on your circumstances, shared care, other children, pension contributions, CMS rules, tax code, benefits, bonuses and other deductions.
For an official calculation, use the GOV.UK child maintenance calculator or contact the Child Maintenance Service.
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