Teaspoon to mL Converter
Convert teaspoons to milliliters. Supports US, metric, and UK teaspoon measurements.
1 US Teaspoon(s) =
4.929 mL
All Conversions
4.929
Milliliters (mL)
0.333
Tablespoons
0.021
Cups
0.167
Fluid Ounces
Teaspoon Types
US Teaspoon4.929 mL
Metric Teaspoon5 mL
UK Teaspoon5.919 mL
Quick Reference (US)
3 tsp
= 1 tablespoon
6 tsp
= 1 fluid ounce
12 tsp
= 1/4 cup
48 tsp
= 1 cup
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Editorial Note
MyCalcBuddy Editorial Team
This page is maintained as an educational calculator reference.
📚
Formula Source: NIST Guide to SI Units
by National Institute of Standards
🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.