volume · International · Modern
Non-SI unit accepted for use with the SI; 1 L = 1 dm³ = 10⁻³ m³.
Converter
volume · U.S. customary dry volume · Current specialist + historical
peck (U.S.)
exact
- Record
- M101
- Definition quality
- Exact by definition
- Conversion mode
- multiplicative
- Calculator
- Fully calculable
Definition
1 US peck = 8 US dry quarts = 1/4 US bushel ≈ 8.80976754172 L
Reference value
One peck (U.S.) is exactly 0.0088097675417 cubic metres.
History & use
The peck survives in the U.S. dry-volume family even though it is much less common in everyday measurement than the gallon or quart.
Modern use
Modern use is context-dependent and varies by region or measurement system.
Sources & evidence
Source tier — · confidence high
- Ambler Thompson and Barry N. Taylor, National Institute of Standards and Technology — https://www.nist.gov/pml/special-publication-811
- Office of Weights and Measures, National Institute of Standards and Technology — https://nvlpubs.nist.gov/nistpubs/hb/2026/NIST.HB.44-2026.pdf
- National Bureau of Standards / Commonwealth national standards laboratories — https://www.nist.gov/pml/us-surveyfoot
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.