/convert/oz-liquid-to-cups/ Convert fl oz (US) to US cups instantly with a reference conversion table. article fl oz (US) to US cups Converter — 247QuickTools
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fl oz (US) to US cups Converter

Convert fl oz (US) to US cups instantly with a reference conversion table.

Quick answer: To convert fl oz (US) to US cups, multiply by 0.125. For example, 1 fl oz (US) = 0.125 US cups. Use the calculator below for any value.
fl oz (US) to US cups
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Common conversions
fl oz (US) US cups
Formula:

How to convert fl oz (US) to US cups

1

Enter your value

Type the number of fl oz (us) you want to convert into the left box. The result in us cups appears instantly in the right box. You can also type into the right box to convert in the other direction.

2

Use the swap button

Click the ⇄ Swap button to reverse the conversion — US cups to fl oz (US). Your current value carries across so you don't have to re-enter anything.

3

About fl oz (US) and US cups

fl oz (US) and US cups are common cooking measurements.

📊 Common conversions at a glance
fl oz (US) US cups
0.5 0.0625
1 0.125
2 0.25
4 0.5
6 0.75
8 1
Reviewed for 2026. fl oz (US) ↔ US cups conversion factor verified against published reference data. Built by a UK-based qualified primary teacher and FA Level 2 coach as part of 247QuickTools' free utility-tools project.

Frequently asked questions

How do I convert fl oz (US) to US cups?

To convert fl oz (US) to US cups, multiply by 0.125. Or use the calculator above for instant results.

How many US cups are in 1 fl oz (US)?

1 fl oz (US) equals 0.125 US cups.

Is the fl oz (US) to US cups converter free?

Yes, the fl oz (US) to US cups converter is completely free with no sign-up required, no downloads, and it works offline once the page has loaded.