US self-employment tax or UK IR35 + Class 2/4 NICs. Work out the rate you actually need to charge.
We're building this tool with the same region-aware approach as the rest of our toolkit. The UK version will run on HMRC's actual rules; the US version will use IRS publications and state-level adjustments where relevant — not a generic average.
We'll email you the moment AI Freelance Rate Calculator goes live — and never about anything else.
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