Teaspoon (UK) to Fluid Dram (UK) Converter

Volume Converter

40 units available

Decimals:

From

To

1.666667

1 tsp (UK) = 1.666667 fl dr (UK)

Formula:

fl dr (UK) = tsp (UK) × 1.6666673858

With your value: 1 tsp (UK) = 1.66666739 fl dr (UK)

How big is that?

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

Soda can (1/18 your value)0.0557 tsp (UK)

Milk carton (1/5.9 your value)0.169 tsp (UK)

Your value1.00 tsp (UK)

Kitchen bucket (1.7× your value)1.69 tsp (UK)

Car fuel tank (8.4× your value)8.45 tsp (UK)

Bathtub (34× your value)33.8 tsp (UK)

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

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

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

Teaspoon (UK) (tsp (UK))	Fluid Dram (UK) (fl dr (UK))
0.5	0.833334
1	1.666667
2	3.333335
5	8.333337
10	16.666674
15	25.000011
20	33.333348
25	41.666685
50	83.333369
100	166.666739
250	416.666846
500	833.333693
1000	1,666.667386

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

Fluid Dram (UK) (fl dr (UK))	Teaspoon (UK) (tsp (UK))
0.5	0.3
1	0.6
2	1.199999
5	2.999999
10	5.999997
15	8.999996
20	11.999995
25	14.999994
50	29.999987
100	59.999974
250	149.999935
500	299.999871
1000	599.999741

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.

Teaspoon (UK) (tsp (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 (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 Teaspoon (UK) to Fluid Dram (UK)

To convert from Teaspoon (UK) (tsp (UK)) to Fluid Dram (UK) (fl dr (UK)), multiply the value by 1.6666673858.

Formula: fl dr (UK) = tsp (UK) × 1.6666673858

Reverse: tsp (UK) = fl dr (UK) × 0.5999997411

Step-by-Step Example

Start with your value in Teaspoon (UK). For example: 5 tsp (UK)
Multiply by the conversion factor: 5 x 1.6666673858
The result is: 8.333337 fl dr (UK)

About Teaspoon (UK)

The teaspoon (uk) (tsp (UK)) is a unit of volume and capacity. One teaspoon (uk) equals 0.005919388021 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 Teaspoon (UK)?

There are exactly 1.6666673858 Fluid Dram (UK) in 1 Teaspoon (UK). This means the conversion factor from Teaspoon (UK) to Fluid Dram (UK) is 1.6666673858.

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

The formula to convert Teaspoon (UK) to Fluid Dram (UK) is: fl dr (UK) = tsp (UK) × 1.6666673858. For example, to convert 10 Teaspoon (UK) to Fluid Dram (UK), you would multiply 10 by 1.6666673858.

What is a Teaspoon (UK)?