Quart (US) to Fluid Dram (UK) Converter

Volume Converter

40 units available

Decimals:

From

To

266.455854

1 qt = 266.455854 fl dr (UK)

Formula:

fl dr (UK) = qt × 266.4558540548

With your value: 1 qt = 266.45585405 fl dr (UK)

How big is that?

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

Milk carton (1/9.5e+2 your value)0.00106 qt

Kitchen bucket (1/95 your value)0.0106 qt

Car fuel tank (1/19 your value)0.0528 qt

Bathtub (1/4.7 your value)0.211 qt

Your value1.00 qt

Hot tub (1.6× your value)1.59 qt

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

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

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

Quart (US) (qt)	Fluid Dram (UK) (fl dr (UK))
0.5	133.227927
1	266.455854
2	532.911708
5	1,332.27927
10	2,664.558541
15	3,996.837811
20	5,329.117081
25	6,661.396351
50	13,322.792703
100	26,645.585405
250	66,613.963514
500	133,227.927027
1000	266,455.854055

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

Fluid Dram (UK) (fl dr (UK))	Quart (US) (qt)
0.5	0.001876
1	0.003753
2	0.007506
5	0.018765
10	0.03753
15	0.056295
20	0.075059
25	0.093824
50	0.187648
100	0.375297
250	0.938242
500	1.876483
1000	3.752967

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.

Quart (US) (qt)

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 Quart (US) to Fluid Dram (UK)

To convert from Quart (US) (qt) to Fluid Dram (UK) (fl dr (UK)), multiply the value by 266.4558540548.

Formula: fl dr (UK) = qt × 266.4558540548

Reverse: qt = fl dr (UK) × 0.0037529669

Step-by-Step Example

Start with your value in Quart (US). For example: 5 qt
Multiply by the conversion factor: 5 x 266.4558540548
The result is: 1,332.27927 fl dr (UK)

About Quart (US)

The quart (us) (qt) is a unit of volume and capacity. One quart (us) equals 0.946352946 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 (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 Quart (US)?

There are exactly 266.4558540548 Fluid Dram (UK) in 1 Quart (US). This means the conversion factor from Quart (US) to Fluid Dram (UK) is 266.4558540548.

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

The formula to convert Quart (US) to Fluid Dram (UK) is: fl dr (UK) = qt × 266.4558540548. For example, to convert 10 Quart (US) to Fluid Dram (UK), you would multiply 10 by 266.4558540548.

What is a Quart (US)?