HustleTax
Free instant UK tax calculator designed for side hustlers and self-employed workers. Calculates income tax, National Insurance contributions, trading allowance, and student loan repayments for the 2025/26 tax year. Provides clear take-home pay estimates with detailed breakdowns.
Technologies Used
The Challenge
Freelancers and side hustlers in the UK often don't know how much tax they owe until it's too late. Existing HMRC tools are complex and intimidating, leading many to either overpay or face unexpected tax bills.
What We Built
Created a simple, jargon-free tax calculator that instantly breaks down tax obligations. Automatically applies the trading allowance, calculates Class 2 and Class 4 NI contributions, handles student loan thresholds, and shows a clear take-home summary.
Why It Matters
Removes the anxiety of tax calculations for the growing freelance economy, helping people understand their obligations in seconds rather than hours of research.
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