volume · International · Modern
Non-SI unit accepted for use with the SI; 1 L = 1 dm³ = 10⁻³ m³.
Converter
volume · U.S. customary culinary / volume · Current
teaspoon
exact
- Record
- M089
- Definition quality
- Standardized
- Conversion mode
- contextual
- Calculator
- Context required
Definition
U.S. teaspoon = 1/3 U.S. tablespoon = 1/6 U.S. fl oz ≈ 4.9289216 mL
Reference value
One teaspoon is exactly 0.000004928921600000001 cubic metres.
History & use
NIST conversion tables provide the U.S. teaspoon conversion; practical kitchen utensils should not be assumed to hold an exact teaspoon.
Modern use
Modern use is context-dependent and varies by region or measurement system.
Sources & evidence
Source tier — · confidence high
Related measurements
volume · International · Modern
1 mL = 10^-3 L = 10^-6 m³.
volume · International · Modern
Coherent SI derived unit for volume, equal to metre cubed.
fluid ounce (US)
fl oz (US)volume · UK / US · Modern / historical
1 U.S. fluid ounce = 1/128 U.S. gallon = 29.5735295625 mL.
fluid ounce (Imperial)
fl oz (Imp)volume · UK / US · Modern / historical
1 Imperial fluid ounce = 1/160 Imperial gallon = 28.4130625 mL.
cup (US customary)
cup (US)volume · UK / US · Modern / historical
1 U.S. customary cup = 8 U.S. fluid ounces = 236.5882365 mL.
pint (US liquid)
pt (US liq)volume · UK / US · Modern / historical
1 U.S. liquid pint = 1/8 U.S. gallon = 0.473176473 L.
pint (Imperial)
pt (Imp)volume · UK / US · Modern / historical
1 Imperial pint = 1/8 Imperial gallon = 0.56826125 L.