Built for UK sole traders & freelancers
UK tax made simple
for freelancers and contractors
NUMRO is the UK tax calculator for anyone HMRC makes complicated. Freelancers, contractors, sole traders, and anyone with income beyond a simple payslip.
No account needed · No card required · 2026/27 tax year
5.1M
UK self-employed
Free
No card required
2026/27
Tax year
HMRC
Accurate rates
⚠️
Making Tax Digital is here
From April 2026, sole traders earning £50,000+ must submit quarterly digital records to HMRC.
Check my MTD obligations →Everything you need
🧮
Tax Calculator
HMRC-accurate income tax, NI, student loans and self-employed deductions for 2026/27
⚖️
Employed vs Self-Employed
See exactly how much more or less tax you pay if you go freelance, on the same income.
💳
Transactions
Upload your bank CSV and get instant spending insights
🧾
Allowable Expenses
Calculate deductible business expenses with AI-powered classification
📅
Payment on Account
Know your HMRC payment deadlines before they arrive
📋
Making Tax Digital
Check your MTD for ITSA obligations and readiness
📊
Tax-Aware Budget
Budget categories map to HMRC expense types so you always know your deductible spend.
🎯
Savings Goals
Track progress toward your financial targets
📄
Bill Tracker
Never miss a payment. All your recurring bills in one place.
🏥
Health Score
A 0–100 snapshot of your overall financial wellbeing
What freelancers say
“Finally stopped dreading January. I know exactly what I owe HMRC months before the deadline.”
Sarah K.
Freelance Designer
“The expenses calculator alone saved me hours of spreadsheet work. Found deductions I didn't even know I could claim.”
James T.
Sole Trader, Construction
“MTD was completely confusing until I used NUMRO. Now I know exactly what I need to do and when.”
Priya M.
Self-Employed Consultant
Ready to understand your tax?
No sign-up. No card. Just your numbers, clearly explained.
Calculate my tax →© 2026 NUMRO. For informational purposes only. Not financial or tax advice.