Fluid Ounce (UK) to Fluid Dram (US) Converter

Volume Converter

40 units available

Decimals:

From

To

7.68608

1 fl oz (UK) = 7.68608 fl dr

Formula:

fl dr = fl oz (UK) × 7.6860795233

With your value: 1 fl oz (UK) = 7.68607952 fl dr

How big is that?

Everyday references on a logarithmic scale, all expressed in fluid ounce (uk) so you can sanity-check the result.

Milk carton (1/28 your value)0.0352 fl oz (UK)

Kitchen bucket (1/2.8 your value)0.352 fl oz (UK)

Your value1.00 fl oz (UK)

Car fuel tank (1.8× your value)1.76 fl oz (UK)

Bathtub (7.0× your value)7.04 fl oz (UK)

Hot tub (53× your value)52.8 fl oz (UK)

Other Fluid Ounce (UK) to Fluid Dram (US) conversions

2 fl oz (UK) to fl dr 3 fl oz (UK) to fl dr 4 fl oz (UK) to fl dr 5 fl oz (UK) to fl dr 6 fl oz (UK) to fl dr 7 fl oz (UK) to fl dr 8 fl oz (UK) to fl dr

Fluid Ounce (UK) to Fluid Dram (US) Conversion Table

Fluid Ounce (UK) (fl oz (UK))	Fluid Dram (US) (fl dr)
0.5	3.84304
1	7.68608
2	15.372159
5	38.430398
10	76.860795
15	115.291193
20	153.72159
25	192.151988
50	384.303976
100	768.607952
250	1,921.519881
500	3,843.039762
1000	7,686.079523

Fluid Dram (US) to Fluid Ounce (UK) Conversion Table

Fluid Dram (US) (fl dr)	Fluid Ounce (UK) (fl oz (UK))
0.5	0.065053
1	0.130105
2	0.260211
5	0.650527
10	1.301053
15	1.95158
20	2.602107
25	3.252634
50	6.505267
100	13.010534
250	32.526335
500	65.052671
1000	130.105341

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Fluid Ounce (UK) (fl oz (UK))

Volume

Exact conversion

Derived from the cubic metre. The litre is exactly 10⁻³ m³; US and imperial capacity units are exact multiples fixed by statute.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

Fluid Dram (US) (fl dr)

Volume

Exact conversion

Derived from the cubic metre. The litre is exactly 10⁻³ m³; US and imperial capacity units are exact multiples fixed by statute.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

How to Convert Fluid Ounce (UK) to Fluid Dram (US)

To convert from Fluid Ounce (UK) (fl oz (UK)) to Fluid Dram (US) (fl dr), multiply the value by 7.6860795233.

Formula: fl dr = fl oz (UK) × 7.6860795233

Reverse: fl oz (UK) = fl dr × 0.1301053413

Step-by-Step Example

Start with your value in Fluid Ounce (UK). For example: 5 fl oz (UK)
Multiply by the conversion factor: 5 x 7.6860795233
The result is: 38.430398 fl dr

About Fluid Ounce (UK)

The fluid ounce (uk) (fl oz (UK)) is a unit of volume and capacity. One fluid ounce (uk) equals 0.0284130625 litres. UnitConvertLab converts it against every other volume unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: volume calculations, engineering and science, education.

About Fluid Dram (US)

The fluid dram (us) (fl dr) is a unit of volume and capacity. One fluid dram (us) equals 0.003696691195 litres. UnitConvertLab converts it against every other volume unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: volume calculations, engineering and science, education.

Frequently Asked Questions

How many Fluid Dram (US) are in 1 Fluid Ounce (UK)?

There are exactly 7.6860795233 Fluid Dram (US) in 1 Fluid Ounce (UK). This means the conversion factor from Fluid Ounce (UK) to Fluid Dram (US) is 7.6860795233.

What is the formula to convert Fluid Ounce (UK) to Fluid Dram (US)?

The formula to convert Fluid Ounce (UK) to Fluid Dram (US) is: fl dr = fl oz (UK) × 7.6860795233. For example, to convert 10 Fluid Ounce (UK) to Fluid Dram (US), you would multiply 10 by 7.6860795233.

What is a Fluid Ounce (UK)?