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I vote for this idea, it is a small addition but will benefit users greatly.

What's even worse is if you import an invoice using a CSV file from Excel, if any of the formulas in the spreadsheet return a number with more than four decimal places, it causes the invoice to lock up and be no longer usable!

So, I thought I had a work around. We currently import our invoices, and these have been generated with the unit at 6 decimal places. Then I created an advanced invoice template and changed the unit amount to show to 6 decimal places instead of 4. However, when I tested it, guess what happened ..... nothing. Except now the invoice has 2 extra 0's in the unit rate!!! C'mon XERO do better.

Hard to believe this is still a problem **10 years later** ... prices (and quantities) should be able to be specified in finer grain than just 4dp.

Critical for us due to Inventory Management software integration

As a stakeholder operating at the intersection of high-volume data processing and financial compliance in the telecommunications space, I would like to formally request an enhancement to Xero’s decimal precision capabilities—specifically, increasing support from 4 to at least 6 decimal places for monetary and quantity fields.

Carrier agreements and roaming partnerships frequently mandate 6-decimal billing precision per ITU and GSMA frameworks (e.g., TAP, NRTRDE). Furthermore, compliance with IFRS 15, SOX, and regional telecom regulators often necessitates fully auditable, high-fidelity financial records that match partner-side expectations down to the decimal.

Failure to reconcile these differences due to system-imposed rounding limitations often results in:
• Billing disputes and payment delays
• Manual reconciliation overhead
• Exposure to compliance risk

In today’s data-intensive and compliance-driven economy, precision is not optional—it is fundamental. We believe this enhancement will further establish Xero as a platform that scales with the sophistication of global finance operations, including those in technically demanding verticals like telecommunications.

We cannot properly record our fuel purchases since the price per litre is 6 decimals ex: $1.049397. There is always rounding issues when Xero rounds the price to 4 decimals ex: $1.0493

Phone Application allows you to enter unit prices at multiple decimal points, so that the total matches, but once you press “save” it rounds the decimal points to 2 and recalculates the total, leaving you with a transaction that won’t reconcile until you login on a computer and edit the unit prices again.

It should be as easy as changing the format to F4.6

Xero

Please take serious for this issues. As company that uses Rupiah as base company transactions and with multiple currency, we need this very urgent. Rupiah is not strong currency, we need more than 6 decimals

This issue arises on both bills to pay and sales invoices. The workaround I use is to increase the number of items by a factor of ten (or a hundred in some cases) and then the unit price can be increased by the same factor. It works to produce an accurate total amount but it's not very satisfactory.

Now Xero has implemented the new invoicing capability, surely it's time to get its maths right for us customers in industries that use 6 decimal places. Perhaps this is why competitor accounting packages are doing so well with their growth?

We purchase fuel at 6 decimal places - this is causing loads of rounding and write offs!

This is really important as a manufacturer to get the pricing correct. Having more decimal places means more accurate figures.

Bumping this. Having this not available in an accounting system is very ironic and a complete oversight... Ive seen posts regarding this issue for the past years. and the feature still haven't been updated. Having to adjust discrepancies when you're dealing with thousands in quantities for products.

please add this.

I completely agree. I think most users need take so much time and stress to overcome this annoying issue

I do not understand how Xero can keep ignoring this problem !!!!

We purchase Aviation Jet fuel by the litre, we are charged up to 6 decimal places. When that is out due to the limit enforced by xero that can add up to quite a number when we are dealing with millions of litres purchased.

I cant keep making manual adjustments to invoices so they line up with Recipient Created Tax Invoices.
Its so annoying!
Allow 6 decimals please please please ASAP!

As an "addition" to Wee Lee Chen's comment - in a similar way you sometimes get interesting results when crediting a whole invoice - the amounts don't always exactly match the invoice! so a unit price (in the invoice) of for example 0.8657 may end up in the "matching" credit note as 0.8656

I suspect that in an invoice the calculations are done "forwards"; i.e. quantity x unit price = net amount + VAT = gross amount with rounding done along the way.

Whereas in the associated credit note I think it starts from the gross amount and calculates "backwards" which with roundings can produce a slightly different unit price.