Skip to main content


Best Tax Rebate Calculator in UK 2022 - Business Lug You might be able to subtract some costs from your gross tax liability or claim allowances. To determine your tax overage or underpayment, first, determine your tax liability using the correct tax rates. Then, subtract the tax you have indeed paid, for instance, under Pay as You Earn (PAYE). A tax rebate calculator can make the calculations for you.