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Imperial cups to US teaspoons

1 UK cup ≈ 57.65 tsp. Edit either value to convert instantly.

1 UK cup≈tsp
≈ 1 cup + 3 tbsp + 0.645596 tsp · ≈ 284.131 mL

Conversion formula

tsp = UK cup × (0.284130625) × (3.2 × 10¹⁰ / 157,725,491)

1 UK cup ≈ 57.6456 tsp

imperial cup (UK cup)

The imperial cup used here is half an imperial pint: exactly 284.130625 mL, or 10 imperial fluid ounces.

Source: UK Weights and Measures Act 1985, Schedule 1; derived imperial cooking convention

US teaspoon (tsp)

A US teaspoon is exactly 4.92892159375 mL; a metric teaspoon is commonly 5 mL.

Source: NIST SP 811, Appendix B.9 — conversion factors

Conversion table

UK cuptsp
≈ 57.6456
≈ 115.291
≈ 288.228
≈ 576.456
≈ 864.684
≈ 1,152.91
≈ 1,441.14
≈ 1,729.37
≈ 2,305.82
≈ 2,594.05
UK cuptsp
≈ 2,882.28
≈ 3,458.74
≈ 4,035.19
≈ 4,611.65
≈ 5,188.1
≈ 5,764.56
≈ 8,646.84
≈ 9,223.3
≈ 9,799.75
≈ 10,376.2

Frequently asked questions

How many US teaspoons are in 1 imperial cup?

1 UK cup ≈ 57.65 tsp. tsp = UK cup × (0.284130625) × (3.2 × 10¹⁰ / 157,725,491)

How do I convert UK cup to tsp?

tsp = UK cup × (0.284130625) × (3.2 × 10¹⁰ / 157,725,491)

Is 1 imperial cup bigger than 1 US teaspoon?

1 UK cup ≈ 57.65 tsp.

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