Second income · 2026/27
Two jobs calculator
Income tax is worked out on your total income, but National Insurance is charged separately on each job — so two jobs and one bigger salary don't land the same. Here's the difference.
Two jobs2026/27
£
£
Combined take-home
£0a year
£0a month
Combined gross£0
NI across two jobs£0
NI if it were one job£0
Second job adds (monthly)£0
Worth knowing