VAT Flat Rate Scheme Calculator (UK 2026)
Calculate VAT due under the UK Flat Rate Scheme and compare with standard VAT accounting to find the most beneficial option.
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VAT Flat Rate Scheme Guide
What Is the Flat Rate Scheme?
Flat Rate Scheme (FRS): simplified VAT for small businesses. Instead of recording all input and output VAT: pay HMRC a fixed percentage of your VAT-inclusive turnover. Eligibility: must be VAT-registered. Turnover under £150,000 (excl. VAT) to join. Must leave when turnover exceeds £230,000. Benefits: simpler bookkeeping. Less time on VAT returns. Often less VAT to pay (if business has low input VAT — service businesses). First year of VAT registration: 1% discount on FRS rate. Downsides: cannot reclaim VAT on most purchases, which is why the scheme suits businesses with low overall expenses rather than those making large capital purchases.
What's the key thing to understand about FRS Rates by Sector?
Limited cost trader (since April 2017): 16.5%. Applies if input goods are less than 2% of turnover OR less than £1,000/year. This rate makes FRS rarely beneficial for service businesses (most are limited cost traders). Service sector typical: 13-14.5%. Consultancy, IT, legal: 14.5%. Hairdressing, beauty: 13%. Lower rates: retail food 4%. Construction labour-only 14.5%. Agriculture 6.5%. Online published rates: gov.uk/vat-flat-rate-scheme/work-out-your-flat-rate. Different rates per sector — choosing the correct one is important, since using the wrong rate can mean overpaying or underpaying VAT and facing a correction later.
When FRS Saves Money?
Calculate: output VAT collected = turnover × 20/120 (or 1/6). FRS VAT due = inclusive turnover × FRS rate. Savings if FRS < output VAT − input VAT. Service business with £85k inclusive turnover (£70,833 net), £500 input VAT/year, 14.5% FRS: standard: output £14,167 − input £500 = £13,667 VAT due. FRS: £85,000 × 14.5% = £12,325. Saving: £1,342. Limited cost trader same scenario at 16.5%: £85,000 × 16.5% = £14,025. Standard: £13,667. Loss: £358. Limited cost trader designation removed most of the benefit for service-based businesses with minimal goods purchases, which was the main group the scheme originally favoured.
What's the key thing to understand about Practical Considerations?
Switching schemes: can join FRS when becoming VAT-registered or at any time. Notify HMRC. Effective from the date you specify. Switching out: notify HMRC. Effective from next quarter. Capital items: items over £2,000 (including VAT) can have input VAT reclaimed even under FRS. Pre-registration VAT: can claim back input VAT on assets bought up to 4 years before registration (still on books). Up to 6 months before registration for services. Best advice: model both schemes carefully. Re-evaluate annually, since your actual costs and turnover can shift the balance between FRS and standard VAT accounting from one year to the next. Software that reconciles VAT automatically removes much of the manual sector-rate tracking this comparison requires — QuickBooks supports Flat Rate Scheme VAT calculations and Making Tax Digital submissions directly.