All Tax Calculators All Tax Calculators See all of our UK tax calculators. ๐ท Dividend vs Salary Optimiser Find the most tax-efficient way to pay yourself as a limited company director โ salary only, salary + dividends, or dividends only. Go to calculator ๐ Payment on Account Calculator Work out your HMRC Payment on Account schedule โ exactly what you owe, when it’s due, and how to apply to reduce your payments. Go to calculator ๐๏ธ CIS Calculator โ Calculate the CIS deductions to be taken from payments to subcontractors, or find out your potential rebate as a subcontractor. Go to calculator โ๏ธ IR35 Calculator Compare your take-home pay inside IR35, outside IR35 via your limited company, and through an umbrella company โ with a day rate uplift guide. Go to calculator ๐งพ VAT Flat Rate Scheme Calculator Find out whether the VAT Flat Rate Scheme saves you money versus standard VAT, and how much you’d pay to HMRC each quarter. Go to calculator ๐ข Sole Trader vs Limited Company Compare your take-home pay as a sole trader versus a limited company director, including all taxes and admin costs โ 2025/26 rates. Go to calculator