UK Tax made simple for freelancers and contractors
Accurate calculations, plain English explanations and intelligent insights, built for freelancers, contractors and the self-employed
Start free calculationHow it worksBuilt by a UK developer for UK freelancers

The smarter way of handling numbers
Your tax estimate
£12,540
2026/27 tax year
UK Tax made simple for freelancers and contractors
Accurate calculations, plain English explanations and intelligent insights, built for freelancers, contractors and the self-employed

The smarter way of handling numbers
Your tax estimate
£12,540
2026/27 tax year
Built by a UK developer for UK freelancers
HMRC-aligned calculations
Using the latest 2026/2027 rates
Plain English explanations
No jargon. Just clarity
100% free to use
No card details
MTD for ITSA ready
Built for the April 2026 mandate
Everything you need to stay on top of your tax
Know what you owe, why you owe it, and what to do next.

Your income
Tax Calculator
Accurate calculations for self employed, PAYE, dividends, CGT and more
Calculate now
Allowable Expenses
Allowable Expenses
Find and calculate allowable expenses mapped to HMRC categories.
Explore expenses
Your Score:
Financial Health Score
Get your score from 0–100 and see how to improve your financial health
View your score

MTD for ITSA
In scope
You need to comply from
6th April 2026
Keep digital records
Submit quarterly updates
Final declaration to HMRC
MTD Checker
Check if you're in scope, see key dates and get ready for April 2026
Check now
Tax Calculator
Accurate calculations for self employed, PAYE, dividends, CGT and more
Calculate now →
Allowable Expenses
Find and calculate allowable expenses mapped to HMRC categories.
Explore expenses →
Your Score:
Financial Health Score
Get your score from 0–100 and see how to improve your financial health
View your score →
MTD Checker
Check if you're in scope, see key dates and get ready for April 2026
Check now →
HOW IT WORKS
Get clarity in minutes
No jargon. No complicated forms. Just a simple way to understand your tax.

Step 1
Enter your income
Add your salary, freelance earnings or other income sources in seconds
Step 2
See your full breakdown
Get an accurate calculation of your tax, National Insurance, and more - instantly
Step 3
Understand and plan
We explain every number in plain English and show you what to do next

Making Tax Digital is here
From April 2026, sole traders with qualifying income over £50,000 must keep digital records and submit quarterly updates to HMRC.
Making Tax Digital is here
From April 2026, sole traders with qualifying income over £50,000 must keep digital records and submit quarterly updates to HMRC.

TRUSTED BY THE FREELANCE COMMUNITY
Real people. Real results.
Stop guessing your tax. Start understanding it
Join the freelancers who take control of their tax with Numro.
Start Free CalculationYour tax overview
6 April 2026 – 5 April 2027
Estimated tax to pay
Example£12,540
Stop guessing your tax. Start understanding it
Join the freelancers who take control of their tax with Numro.
Start Free CalculationYour tax overview
6 April 2026 – 5 April 2027
Estimated tax to pay
Example£12,540