Tablespoon (US customary) is volume unit, symbol: [tbsp (US)]. Definition of 1 tablespoon (US customary) ≡ 1⁄2 US fl oz. The traditional US interpretation of the tablespoon as a unit of volume is 3 teaspoons or half US fluid ounce= 14.78676478125×10−6 m³. Compared to cubic-metre, tablespoon (US customary) is smaller unit.
• 1 [tbsp (US)] = (exactly) `1.478676478125*10^-05` [m³]
• 1 [m³] = (exactly) `1/(1.478676478125*10^-05)` [tbsp (US)] = 67628.045403686 [tbsp (US)]
Multiply convert of tablespoon (US customary) to common volume units:[tbsp (US)]
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A. Thompson and B. N. Taylor. The NIST Guide for the use of International System of Units. United States Government.