Teaspoon (UK) to Fluid Dram (US) Converter

Volume Converter

40 units available

Decimals:

From

To

1.601267

1 tsp (UK) = 1.601267 fl dr

Formula:

fl dr = tsp (UK) × 1.6012665673

With your value: 1 tsp (UK) = 1.60126657 fl dr

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 (US) conversions

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

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

Teaspoon (UK) (tsp (UK))	Fluid Dram (US) (fl dr)
0.5	0.800633
1	1.601267
2	3.202533
5	8.006333
10	16.012666
15	24.018999
20	32.025331
25	40.031664
50	80.063328
100	160.126657
250	400.316642
500	800.633284
1000	1,601.266567

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

Fluid Dram (US) (fl dr)	Teaspoon (UK) (tsp (UK))
0.5	0.312253
1	0.624506
2	1.249011
5	3.122528
10	6.245056
15	9.367585
20	12.490113
25	15.612641
50	31.225282
100	62.450564
250	156.12641
500	312.252819
1000	624.505638

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 (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 Teaspoon (UK) to Fluid Dram (US)

To convert from Teaspoon (UK) (tsp (UK)) to Fluid Dram (US) (fl dr), multiply the value by 1.6012665673.

Formula: fl dr = tsp (UK) × 1.6012665673

Reverse: tsp (UK) = fl dr × 0.6245056385

Step-by-Step Example

Start with your value in Teaspoon (UK). For example: 5 tsp (UK)
Multiply by the conversion factor: 5 x 1.6012665673
The result is: 8.006333 fl dr

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 (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 Teaspoon (UK)?

There are exactly 1.6012665673 Fluid Dram (US) in 1 Teaspoon (UK). This means the conversion factor from Teaspoon (UK) to Fluid Dram (US) is 1.6012665673.

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

The formula to convert Teaspoon (UK) to Fluid Dram (US) is: fl dr = tsp (UK) × 1.6012665673. For example, to convert 10 Teaspoon (UK) to Fluid Dram (US), you would multiply 10 by 1.6012665673.

What is a Teaspoon (UK)?