For the tax year from 6 April 2026 to 5 April 2027, Child Benefit is £27.05 a week for the eldest or only child and £17.90 a week for every additional child.
- One child: £27.05 a week, or £1,406.60 over 52 weeks
- Two children: £44.95 a week, or £2,337.40 over 52 weeks
- Three children: £62.85 a week, or £3,268.20 over 52 weeks
The calculator also supports 2025/26, when the rates were £26.05 and £17.25.