💧 Volume

fl oz (US) to mL Converter

Convert fl oz (US) to mL instantly: 1 fl oz (US) = 29.5735 mL. Free converter with the formula, a reference table and FAQs — no sign-up.

Quick answer: To convert fl oz (US) to mL, multiply by 29.5735. For example, 1 fl oz (US) = 29.5735 mL. Use the calculator below for any value.
fl oz (US) to mL
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Common conversions
fl oz (US) mL
Formula:

How to convert fl oz (US) to mL

1

Enter your value

Type the number of fl oz (us) you want to convert into the left box. The result in ml 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 — mL to fl oz (US). Your current value carries across so you don't have to re-enter anything.

3

About fl oz (US) and mL

fl oz (US) and mL are common volume measurements.

Worked examples: fl oz (US) to mL

Multiply the fl oz (US) value by 29.5735 to get mL. A few quick examples:

  • 5 fl oz (US) × 29.5735 = 147.868 mL
  • 25 fl oz (US) × 29.5735 = 739.337 mL
  • 250 fl oz (US) × 29.5735 = 7,393.38 mL
💡 Did you know?

1 US fluid ounce = 29.57 ml. 1 UK (Imperial) fluid ounce = 28.41 ml. Both are still in everyday use — UK pints contain 20 fl oz of beer, but the British 'oz' is slightly smaller than the American one.

📊 Common conversions at a glance
fl oz (US) mL
0.5 14.79
1 29.57
2 59.15
4 118.3
6 177.4
8 236.6
Reviewed for 2026. fl oz (US) ↔ mL 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 mL?

To convert fl oz (US) to mL, multiply by 29.5735. Or use the calculator above for instant results.

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

1 fl oz (US) equals 29.5735 mL.

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

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