How much does a side job pay after tax?
Side income stacks on top of your main salary and is taxed at your marginal rate. See what a freelance gig or second job really adds to your take-home.
Take-home from side income
+£364/month
+£4,364 per year on £6,000 of side income — taxed at your marginal rate of 20%.
Take-home without scenario
£35,920/yr
Take-home with scenario
£40,283/yr
How this works
A second income stacks on top of your main salary and is taxed at your marginal rate. You've already used your personal allowance and lower bands on your day job, so every extra pound, euro or dollar is taxed higher.
In the UK and Ireland, side income above small trading allowances must be declared through Self Assessment / Form 11. In the US, self-employment earnings are subject to income tax and self-employment tax (15.3% up to the Social Security wage base).
See the impact on your exact salary
Estimates based on 2026/27 rates. mySal is an educational tool, not tax advice.