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Invoice Refund Calculator

Work out a full or partial refund, the tax to credit back, and any fee to keep.

Invoice Tools Reviews Free · no sign-up

Quick Tool Overview

The Invoice Refund Calculator unwinds an invoice properly: the goods value, the tax to credit, the shipping that may or may not return, a retained fee where one was agreed, and the processing fee that is usually gone for good.

What it does
Works out a full or partial refund
You give it
The original invoice and what is being returned
You get back
The credit note figures and the net to return
Best for
Returns, cancellations and part-delivered work
Invoice Tools Free, unlimited use No sign-up Runs in your browser

About the Invoice Refund Calculator

A refund is not simply the reverse of a payment, because several things have to be unwound and some of them do not come back. The goods value returns. The tax on it has to be credited, which means a credit note rather than a bank transfer. The shipping may or may not return depending on what happened. A restocking or cancellation fee may be retained if it was agreed. And the payment processing fee on the original transaction is usually gone for good.

This works all of it out for a full or a partial refund, including the pro-rata case — a subscription cancelled eleven days into a thirty-day month, or a service part-delivered — where the refundable share is a fraction rather than a whole line.

It also flags where the law has a view. In the UK and the EU, a consumer cancelling under distance selling rules is entitled to the outbound delivery cost back at the basic rate, and a restocking fee on a lawful cancellation is not enforceable — which is worth knowing before you deduct one.

Key features of the Invoice Refund Calculator

Tax credited too

Through a credit note, or the tax stays overpaid on your return.

Pro-rata refunds

Eleven days into a thirty-day month, worked out properly.

Consumer rights flagged

A restocking fee on a lawful cancellation is not enforceable.

Shipping decided

Outbound often refundable, return postage often not.

Processing fee shown

A refunded sale usually costs you the fee twice.

How to use the Invoice Refund Calculator

  1. 1

    Enter the original invoice

    The amount, the tax rate and any shipping charged.

  2. 2

    Say what is being refunded

    Everything, specific lines, or a pro-rata share of a period.

  3. 3

    Add any retained fee

    A restocking or cancellation fee, if it was agreed in advance.

  4. 4

    Decide about shipping

    Outbound delivery is often refundable; return postage often is not.

  5. 5

    Read the credit note figures

    The net, the tax and the total to credit back.

Frequently asked questions

Yes. A refund reduces the value of the supply, so the tax charged on it must be credited too, through a credit note. Refunding the gross without issuing a credit note leaves the tax overpaid on your return.

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