Maternity, paternity and adoption leave and pay calculator for employers

You can use this tool on GOV.UK to calculate your employee's:

  • Statutory Maternity Pay (SMP), paternity pay, or adoption pay
  • relevant employment period and average weekly earnings
  • leave period

Calculate statutory maternity, paternity & adoption leave, or pay

Before you start

You need:

  • the baby’s due date
  • date of birth - for paternity
  • your employee’s salary details, eg weekly rates of pay
  • the dates for adoption, eg match date and date of placement

You can’t use the calculator for:

Further statutory leave and pay guidance

See our detailed guidance on: