The parts of a payment fee
A payment fee usually has three parts. The percentage charge is calculated against the transaction value. A provider charging 2% on a £50 grooming order would take £1. The percentage often applies to the amount paid at checkout, so confirm how discounts, delivery charges and tax are treated in the provider’s terms.
The fixed charge is added once for each payment, regardless of order value. For illustration only, a 20p fixed charge means a £50 payment incurs £1.20 before any other applicable costs. It is distinct from the percentage charge and should not be confused with product cost, packaging, delivery or advertising.
Some providers also list separate currency-conversion, refund and dispute costs. Keep these as their own lines rather than hiding them inside the headline transaction rate. For UK merchants, VAT treatment may also matter: GOV.UK (HM Revenue & Customs) states that a business must register when taxable turnover for the last 12 months goes over £90,000, the VAT threshold (Source: GOV.UK (HM Revenue & Customs)).
| Component | How it is applied | What to check |
|---|---|---|
| Percentage charge | A rate multiplied by the transaction value | Which parts of the checkout total are included |
| Fixed charge | A set amount added per payment | Whether it applies to each payment or transaction |
| Separate costs | Additional charges for currency, refunds or disputes | When each charge is triggered and how it is recorded |
Why low-value orders suffer most
A fixed payment fee takes a larger share of a low-value men’s grooming order because it is spread across fewer pounds of revenue. If the same fixed amount applies to two baskets, divide that amount by each basket value: the smaller basket produces the higher percentage. The percentage part of the fee changes with the order value, but the fixed part does not. This makes low-priced items, single-product orders and small replenishment baskets especially sensitive to payment costs.
Read the worked example by separating those effects. First, identify the order value and the fixed fee shown. Divide the fixed fee by the order value to see its share, then compare that share with the larger basket in the example. Do not treat the fee amount alone as the key measure: a fee that looks small in pounds can still remove a meaningful part of a low-value order’s margin. The example illustrates fee incidence by basket size; it does not measure refunds, chargebacks, currency effects or provider performance.
Worked example with sample numbers
This example is illustrative. It uses sample numbers for a men's grooming store selling in the UK. They are made up to show the method, they are not a benchmark, and your own figures will differ.
Formula: Payment fee = order value x percentage + fixed amount.
| Order value | Fee | Fee as share of order |
|---|---|---|
| £6.75 | £0.44 | 6.5% |
| £13.49 | £0.64 | 4.7% |
| £26.99 | £1.03 | 3.8% |
| £80.97 | £2.61 | 3.2% |
Run the same sum with your own numbers in the free calculator, or browse guides for sellers in the UK and more men's grooming guides.
General information only: tax, duty and import rules change and depend on your situation, so check with an accountant or the official source before acting.
Eligible Shopify stores can see these numbers for their own store through the Founding 10,000 offer.
What the worked example is measuring
The worked example isolates the payment effect at three hypothetical basket values. It starts with gross order value: the amount charged to the customer before the payment deduction. Payment cost is then calculated from the example’s assumed rate of 2% plus £0.20 per order. Net receipts are gross order value less that payment cost. These are illustration figures, not a claim about every provider or store.
For the example, assume product cost equals 40% of gross order value. Contribution is defined here as net receipts minus product cost, before advertising, fulfilment, returns or other operating costs. Contribution margin divides that contribution by net receipts, so it shows how much of the money received remains after the two costs included in this example. Gross order value is useful for sizing the sale; payment cost shows the deduction; net receipts show cash retained before product cost; contribution margin shows the resulting unit economics. Test your own assumptions with the profit margin calculator.
| Gross order value | Payment cost | Net receipts | Product cost | Contribution | Contribution margin |
|---|---|---|---|---|---|
| £30.00 | £0.80 | £29.20 | £12.00 | £17.20 | 58.9% |
| £50.00 | £1.20 | £48.80 | £20.00 | £28.80 | 59.0% |
| £100.00 | £2.20 | £97.80 | £40.00 | £57.80 | 59.1% |
Refunds, chargebacks and currency
A refund does not always reverse every payment cost. Depending on the provider and transaction type, the percentage fee may be returned, while a fixed processing fee, payout fee or other non-refundable charge may remain. Record the refunded order value separately from the payment cost that remains, rather than treating the full original fee as recovered. For illustration only, a £40 order with £1.20 of unrecovered fees leaves £1.20 as a cost of that sale after the customer’s refund.
Record chargeback costs separately from ordinary payment fees. The disputed payment may be reversed, and the provider may add a chargeback fee; if the dispute is successfully challenged, some or all of that amount may later be returned. Use the date and outcome of the dispute to avoid counting a temporary debit as a permanent cost. Reviewing chargebacks by product or collection can show where order quality or fulfilment issues are affecting margin.
Non-GBP transactions add currency risk. The customer’s local-currency payment can be converted at the provider’s rate, with fees or a spread reducing the GBP amount received. A £100 equivalent sale can therefore settle below £100 even when the advertised payment percentage is unchanged. Measure the settled amount in GBP against the order’s recorded value, and keep currencies separate; ORVX keeps each merchant’s trading currency and never mixes currencies in one figure.
A fair comparison of payment providers
Compare providers using the same UK transaction, not headline percentages. Specify the payment method, order value, refund outcome and whether the customer pays in GBP. Record the percentage fee, fixed fee, dispute charge, refund treatment, settlement currency and any monthly plan fee. Allocate a plan fee across orders before comparing effective cost. The figures below are illustrative, not provider quotes.
For a men’s grooming store, compare both the cost of a delivered £50 card order and the cost if that order is refunded or disputed. A retained fixed fee matters differently from a returned percentage fee. Also check whether settlement is in GBP: conversion spreads or separate currency charges can make a nominally similar quote incomparable. Use transaction-level results for day-to-day payment decisions; use the monthly effective rate, including plan fees and disputes, when choosing a contract.
| Measure | Provider A | Provider B |
|---|---|---|
| Percentage + fixed fee | 1.5% + £0.20 = £0.95 | 1.9% + £0.10 = £1.05 |
| Refund treatment | Percentage returned; £0.20 retained | Fee retained |
| Dispute charge | £15 | £20 |
| Settlement currency | GBP | GBP |
| Monthly plan fee | £0 | £20 |
Which margin measure should you act on?
Order-level payment cost is the right measure when deciding whether a specific basket is economically viable. Use it to test a price, minimum order value or checkout option: a £1.40 payment cost on a £28 order leaves less room for product cost, fulfilment and acquisition than the same cost on a £70 order. A profit margin calculator can help test the resulting margin.
Payment cost as a share of sales supports comparisons. Calculate payment cost ÷ order value, then compare that percentage across basket sizes, products or payment methods. This shows whether a proposed price change or checkout choice reduces payment cost relative to revenue, rather than only reducing pounds per order.
Total payment cost over a period is the measure for provider decisions. Add every applicable cost for the same month or quarter and compare it with payment revenue, refunds and order volume. A provider that looks attractive per order may still create a material monthly cost at scale. Use the period total for negotiation, forecasting cash impact and deciding whether a provider change is worth testing.
Payment fees should be assessed against the order values, payment methods and post-purchase events a UK men’s grooming store actually handles. Separating fixed charges, percentage charges and exception costs makes it easier to see whether a margin problem belongs in pricing, checkout design, provider selection or reporting.
Sources
- VAT registration: when to register (GOV.UK (HM Revenue & Customs), checked 26 October 2026).
How this page was made: drafted with AI from a brief, then checked by automated rules for arithmetic, sources and duplication. The sample numbers were calculated, not reported.