Fluid Dram (UK) to Teaspoon (US) Converter

Volume Converter

40 units available

Decimals:

From

To

0.72057

1 fl dr (UK) = 0.72057 tsp

Formula:

tsp = fl dr (UK) × 0.7205696444

With your value: 1 fl dr (UK) = 0.72056964 tsp

How big is that?

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

Soda can (1/11 your value)0.0929 fl dr (UK)

Milk carton (1/3.6 your value)0.282 fl dr (UK)

Your value1.00 fl dr (UK)

Kitchen bucket (2.8× your value)2.82 fl dr (UK)

Car fuel tank (14× your value)14.1 fl dr (UK)

Bathtub (56× your value)56.3 fl dr (UK)

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

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

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

Fluid Dram (UK) (fl dr (UK))	Teaspoon (US) (tsp)
0.5	0.360285
1	0.72057
2	1.441139
5	3.602848
10	7.205696
15	10.808545
20	14.411393
25	18.014241
50	36.028482
100	72.056964
250	180.142411
500	360.284822
1000	720.569644

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

Teaspoon (US) (tsp)	Fluid Dram (UK) (fl dr (UK))
0.5	0.693895
1	1.387791
2	2.775582
5	6.938955
10	13.877909
15	20.816864
20	27.755818
25	34.694773
50	69.389545
100	138.779091
250	346.947727
500	693.895453
1000	1,387.790907

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 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

Teaspoon (US) (tsp)

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 Dram (UK) to Teaspoon (US)

To convert from Fluid Dram (UK) (fl dr (UK)) to Teaspoon (US) (tsp), multiply the value by 0.7205696444.

Formula: tsp = fl dr (UK) × 0.7205696444

Reverse: fl dr (UK) = tsp × 1.3877909065

Step-by-Step Example

Start with your value in Fluid Dram (UK). For example: 5 fl dr (UK)
Multiply by the conversion factor: 5 x 0.7205696444
The result is: 3.602848 tsp

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.

About Teaspoon (US)

The US teaspoon equals approximately 4.93 mL. It is one of the most common cooking measurements.

Common uses: cooking, medicine dosage, baking.

Frequently Asked Questions

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

There are exactly 0.7205696444 Teaspoon (US) in 1 Fluid Dram (UK). This means the conversion factor from Fluid Dram (UK) to Teaspoon (US) is 0.7205696444.

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

The formula to convert Fluid Dram (UK) to Teaspoon (US) is: tsp = fl dr (UK) × 0.7205696444. For example, to convert 10 Fluid Dram (UK) to Teaspoon (US), you would multiply 10 by 0.7205696444.

What is a Fluid Dram (UK)?