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US fluid ounce to US fluid dram

Convert US fluid ounce to US fluid dram and get the exact value instantly.

About this conversion

To convert US fluid ounce to US fluid dram, multiply the number of US fluid ounce by 8.

Volume units divide between metric (liters, milliliters) and US customary (gallons, cups, fluid ounces), which trips up cooking, fuel figures and container sizing until you convert them.

Conversion table

US fluid ounce (fl oz)US fluid dram (fl dr)
1 fl oz8 fl dr
2 fl oz16 fl dr
5 fl oz40 fl dr
10 fl oz80 fl dr
100 fl oz800 fl dr

How to use this converter

  1. Enter your US fluid ounce value

    Type any number into the US fluid ounce field. It starts at 1 so you can read the rate straight away.

  2. Read the US fluid dram result

    The amount in US fluid dram updates as you type, so there is no button to press and nothing to wait for.

  3. Swap or keep exploring

    Use the swap control to flip the direction, or pick a related conversion from the list below.

Frequently asked

How many US fluid dram are in one US fluid ounce?
One US fluid ounce equals 8 fl dr. Enter any amount above to get an exact figure for your own value.
Is this converter accurate?
Yes. It uses the exact international definition of each unit and computes on your device, so the only rounding is for display.
Do you upload the numbers I enter?
No. The US fluid ounce to US fluid dram conversion runs entirely in your browser tab, and nothing you type is sent to a server.
Does it work on my phone?
Yes. It runs in any modern mobile browser and keeps working offline once the page has loaded.

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