Cup (US) to Fluid Dram (UK) Converter

Volume Converter

40 units available

Decimals:

From

To

66.613964

1 cup = 66.613964 fl dr (UK)

Formula:

fl dr (UK) = cup × 66.6139635137

With your value: 1 cup = 66.61396351 fl dr (UK)

How big is that?

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

Milk carton (1/2.4e+2 your value)0.00423 cup

Kitchen bucket (1/24 your value)0.0423 cup

Car fuel tank (1/4.7 your value)0.211 cup

Bathtub (1/1.2 your value)0.845 cup

Your value1.00 cup

Hot tub (6.3× your value)6.34 cup

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

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

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

Cup (US) (cup)	Fluid Dram (UK) (fl dr (UK))
0.5	33.306982
1	66.613964
2	133.227927
5	333.069818
10	666.139635
15	999.209453
20	1,332.27927
25	1,665.349088
50	3,330.698176
100	6,661.396351
250	16,653.490878
500	33,306.981757
1000	66,613.963514

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

Fluid Dram (UK) (fl dr (UK))	Cup (US) (cup)
0.5	0.007506
1	0.015012
2	0.030024
5	0.075059
10	0.150119
15	0.225178
20	0.300237
25	0.375297
50	0.750593
100	1.501187
250	3.752967
500	7.505934
1000	15.011868

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.

Cup (US) (cup)

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 (UK) (fl dr (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

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

To convert from Cup (US) (cup) to Fluid Dram (UK) (fl dr (UK)), multiply the value by 66.6139635137.

Formula: fl dr (UK) = cup × 66.6139635137

Reverse: cup = fl dr (UK) × 0.0150118676

Step-by-Step Example

Start with your value in Cup (US). For example: 5 cup
Multiply by the conversion factor: 5 x 66.6139635137
The result is: 333.069818 fl dr (UK)

About Cup (US)

The US cup equals approximately 236.6 mL and is a standard cooking measurement in the United States.

Common uses: baking, cooking, recipes.

About Fluid Dram (UK)

The fluid dram (uk) (fl dr (UK)) is a unit of volume and capacity. One fluid dram (uk) equals 0.00355163128 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 (UK) are in 1 Cup (US)?

There are exactly 66.6139635137 Fluid Dram (UK) in 1 Cup (US). This means the conversion factor from Cup (US) to Fluid Dram (UK) is 66.6139635137.

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

The formula to convert Cup (US) to Fluid Dram (UK) is: fl dr (UK) = cup × 66.6139635137. For example, to convert 10 Cup (US) to Fluid Dram (UK), you would multiply 10 by 66.6139635137.

What is a Cup (US)?