Calculators
Free browser-based calculators for UK card reader costs: effective rates, Tide plan comparison over time and cashback threshold tracking.
Published headline rates rarely match what a trading month actually costs. A 1.5% rate with a 5p fixed fee is 2.5% in practice if your average sale is £5, and a monthly plan that looks expensive can be the cheapest option in the room once your card turnover passes a certain point.
These three tools convert percentages and pence into monthly and annual figures with every assumption visible. They run entirely in your browser — no turnover figure is ever sent anywhere — and each one tells you what it is assuming so you can argue with it.
Cost tools
- Card reader fee calculatorEffective rate and monthly cost across plans, including an adjustable credit and commercial card mix.
- Tide plan calculatorPay As You Go against Sell In-Person over a chosen number of months, with hardware included.
- Cashback trackerWhether your weekly takings would reach the qualifying threshold inside the offer window.
Decision tools
Next steps
Which tool answers which question
“Is this rate any good?” Utilise the fee calculator by inputting your monthly card turnover and average sale amount. This tool will calculate the effective percentage fee that accounts for the fixed pence charge distributed over your number of transactions. This is crucial because UK card machine fees can vary significantly with transaction sizes. Knowing your effective rate helps in comparing different card payment providers, so you can clearly see which offer is truly beneficial for your business in the context of your specific transaction volumes and values.
“Should I pay monthly or per transaction?” The plan calculator is designed to help you make an informed decision between pay-as-you-go and subscription models. It evaluates different Tide plans over a chosen period, including hardware costs—essential for startups and small businesses with limited budgets. It shows the turnover point where a subscription plan becomes more cost-effective than per-transaction fees. This is especially useful if your business experiences seasonal fluctuations, as selecting the correct plan can have significant implications on your bottom line.
“Would I qualify for the cashback?” For those interested in cash back rewards, the cashback tracker is an invaluable tool. Enter your realistic weekly card takings to project whether you'll reach the cashback qualifying threshold within the promotional period. This includes a margin for potentially slower weeks, which is critical for businesses with varying weekly incomes. Understanding these thresholds helps ensure that you're not only budgeting accurately but also taking full advantage of any available promotional offers that could enhance your revenue.
How to get an honest answer out of them
Base your calculations on last year’s figures rather than optimistic projections for this year. Many business owners fall into the trap of using estimated turnover, which often overestimates your ability to meet or exceed performance from the previous year. This can lead to mistaken assumptions about which subscription plans will save you money. By using actual turnover data, such as what appears in your bank statements, you can more accurately assess whether a specific card payment scheme is genuinely beneficial.
It is crucial to distinguish card turnover from total turnover. If your income includes a substantial portion from cash or bank transfers—which don't incur card fees—make sure only to include the card-derived revenue in fee calculations. This is also important for cashback eligibility, where only the card transactions count towards thresholds. This practice helps to prevent overestimating potential savings or cashback, providing a more accurate picture of your actual financial landscape.
Test with a 'bad month' scenario as well as an average month. A plan that is only economical during peak sales months, like December, may not be the wisest annual choice. Periodically reassess your chosen plan—every six months can be a good timeframe—as the right plan now might shift as trading volumes settle or change. For further insight into adjusting your payment solutions without operational disruption, refer to our switching guide, which provides guidance on transitioning to different card reader solutions.
Keep reading
The calculators serve multiple purposes, addressing different business questions. Our card reader fee calculator helps determine your effective card-processing rate. The Tide plan calculator provides a comparison between pay-as-you-go and monthly payment plans, considering factors like expected transaction volume and hardware costs. Meanwhile, the cashback tracker helps ascertain the likelihood of meeting promotional transaction thresholds.
Figures are most meaningful when grounded in real-world assumptions. To make informed decisions, first consult our guide on how card reader fees work, ensuring you're equipped with comprehensive knowledge before acting on results. If cash flow timing is critical for your operation, our guide on settlement times is an essential read. Familiarising yourself with these details can prevent unwelcome surprises during financial planning, ensuring smoother business operations.
After acquiring a clear financial picture, compare your options on the comparison page. Additionally, explore possible hardware alternatives within the card readers hub. For industry-specific insights, view the pages dedicated to different business types, helping tailor solutions that best suit the unique needs of your specific sector.
Understanding Different Card Reader Options
In the UK, businesses have a variety of card reader options available—from traditional models connected to tills to sleek modern alternatives like mobile card readers. It’s essential to choose the right style for your business needs. Factors such as transaction volume, customer expectations, and even the physical layout of your business premises can influence this decision. One option is integrating with your existing EPOS system for seamless transactions, which might be ideal for high-volume retailers. On the other hand, businesses with mobile or pop-up operations might benefit more from wireless or mobile card readers.
When considering card readers, think about compatibility with your business systems. Some card readers offer seamless integration with accounting software, like QuickBooks or Xero, helping to automate and streamline financial management. It's also worth considering the robustness of customer support provided by the card reader company, as reliable support can minimise downtime and maintain smooth operations.
VAT Implications for Card Transactions
When processing card transactions, it's important to consider the implications of VAT on your sales. Card reader providers charge VAT on transaction fees, which can affect your overall costs. For VAT-registered businesses, these fees can be claimed back as a business expense. Ensure that your card reader solution provides clear invoices or statements that delineate VAT charges, as this simplifies the record-keeping process for VAT returns.
Understanding your VAT obligations not only helps in maintaining compliance but can also affect the net profitability of your business operations. Exploring how different card readers handle VAT and provide necessary documentation could be crucial in choosing the right provider.
Frequently asked questions
Do you store the figures I enter?
Why does the result differ from the provider's own calculator?
Are the rates in the tools guaranteed?
Should I include VAT?
Tide Card Reader code TCRPOS — £100 cashback
Apply through the partner link, open an eligible new Tide account, purchase a Tide Card Reader and process at least £500 of reader transactions within the first 60 days. Terms and eligibility apply.
- 1Apply through the partner link so the promotion is attached to your application.
- 2Open an eligible new Tide business account and pass account approval.
- 3Order a Tide Card Reader and start taking payments once it arrives.
- 4Process at least £500 of reader transactions inside the 60-day window.
Offer checked 13 October 2026. £100 cashback / £500 reader transactions / 60 days. Terms apply. Eligible new Tide applicants. Account approval and card reader product eligibility apply. Verified 13 October 2026 by Haley Duster against the official Tide offer page. Promotions can change or end at any time; Tide alone decides eligibility and payment.
Editorial Standards & E-E-A-T Disclosure
This site follows strict editorial guidelines to ensure accuracy, independence, and transparency. We are a UK-based research publisher, not a financial institution.
- Lead Researcher
Haley DusterEditor and researcher, Payment Card Reader UK
- Verification Dates
- Published 4 August 2026Last Fact-Checked 13 October 2026
- Research Methodology & Basis
- "Desk research against official provider documentation. No hands-on testing has been carried out at the time of writing."
- Primary Sources & Evidence
- 1Tide — Plans and pricingPay As You Go and Sell In-Person subscription costs and published transaction rates. (Accessed 13 October 2026)
- 2Tide — Card Reader product pagesDevice specifications, connectivity, receipt options and indicative hardware pricing. (Accessed 13 October 2026)
- 1
Trust Signals
- Independent ResearchWe are not owned by Tide. Our data comes from public fee schedules and regulatory filings.
- Editorial IntegrityCommission never influences our findings. We recommend competitors when they are a better fit.
- Accuracy GuaranteeWe log every correction. If you find an error, we aim to fix it within 24 trading hours.