FromtspUK
TocupUS

Teaspoon (UK) to Cup (US) Converter

Unit Converter

Instant · Precise · Universal

THEME
tsp (UK)

47 units available

6 categories total

How to Convert Teaspoon (UK) to Cup (US)

To mL: multiply by 5.919. To US teaspoons: multiply by 1.201. To metric teaspoons: multiply by 1.184.

1 UK tsp ≈ 5.919 mL. Approximately 1.2 times the US teaspoon (4.929 mL).

For example, 1 Teaspoon (UK) (tsp (UK)) = 0.02501979848 Cup (US) (cup (US)).

Teaspoon (UK) to Cup (US) — Common Values

Teaspoon (UK) (tsp (UK))Cup (US) (cup (US))
0.10.002501979848
0.50.01250989924
10.02501979848
20.05003959696
50.1250989924
100.2501979848
250.625494962
501.250989924
1002.501979848
50012.50989924
100025.01979848

About Teaspoon (UK) (tsp (UK))

Definition

The UK teaspoon is a unit of culinary volume equal to approximately 5.919 milliliters, slightly larger than its US counterpart.

Mathematical Relationship

1 UK tsp ≈ 5.919 mL. Approximately 1.2 times the US teaspoon (4.929 mL).

Conversion Formula

To mL: multiply by 5.919. To US teaspoons: multiply by 1.201. To metric teaspoons: multiply by 1.184.

Practical Applications

Traditional British recipes, Commonwealth cooking, and older pharmaceutical dosing in the UK.

Interesting Facts

The UK teaspoon is about 20% larger than the US teaspoon. A recipe calling for 5 UK teaspoons would need 6 US teaspoons.

Common Mistakes

Assuming UK and US teaspoons are the same — the UK teaspoon is about 20% larger. This matters in precise baking.

Educational Tips

Modern UK recipes increasingly use metric (5 mL teaspoons). When following older UK recipes, a UK tsp ≈ 6 mL.

About Cup (US) (cup (US))

Definition

The US cup is a unit of culinary volume equal to 8 US fluid ounces, or approximately 236.588 milliliters.

Mathematical Relationship

1 US cup = 8 US fl oz = 16 US tbsp = 48 US tsp = 1/2 US pint ≈ 236.588 mL.

Conversion Formula

To mL: multiply by 236.588. To liters: multiply by 0.236588. To UK cups: multiply by 0.832674.

Practical Applications

Measuring flour, sugar, milk, water, and other cooking ingredients. Standard in every American cookbok and food label.

Interesting Facts

The US cup, metric cup (250 mL), and Japanese cup (200 mL) are all different sizes — international recipes can be confusing!

Common Mistakes

Using a coffee mug as a 'cup' — mugs range from 200–350 mL. Always use a calibrated measuring cup for accuracy.

Educational Tips

Key conversions: 1 cup = 16 tbsp = 8 fl oz = 1/2 pint. For metric: 1 cup ≈ 240 mL (close enough for cooking).

Frequently Asked Questions

How do I convert Teaspoon (UK) to Cup (US)?
To mL: multiply by 5.919. To US teaspoons: multiply by 1.201. To metric teaspoons: multiply by 1.184.
What is 1 Teaspoon (UK) in Cup (US)?
1 Teaspoon (UK) (tsp (UK)) = 0.02501979848 Cup (US) (cup (US)).
What is a Teaspoon (UK)?
The UK teaspoon is a unit of culinary volume equal to approximately 5.919 milliliters, slightly larger than its US counterpart.
What is a Cup (US)?
The US cup is a unit of culinary volume equal to 8 US fluid ounces, or approximately 236.588 milliliters.
Where is Teaspoon (UK) used in everyday life?
Traditional British recipes, Commonwealth cooking, and older pharmaceutical dosing in the UK.
What are common mistakes when converting Teaspoon (UK)?
Assuming UK and US teaspoons are the same — the UK teaspoon is about 20% larger. This matters in precise baking.

Other Volume Conversions

Convert Teaspoon (UK) to All Volume Units

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