Tax data sources — United Kingdom

HMRC & Revenue Scotland · 2026 rates used in this calculator

• HM Revenue & Customs (HMRC)
• HMRC: Income Tax rates
• HMRC: National Insurance rates & categories
• HMRC: PAYE for employers
• Revenue Scotland: Scottish Income Tax
• Student Finance: Repayment plans

Figures are estimates for planning only. Always confirm withholding and filing with the official authority or a qualified tax professional.