How to convert Metric tablespoons (15 mL) to US liquid gallons
gal (US) = tbsp (metric) × 0.00396258078537223
Multiply the tbsp (metric) reading by 0.00396258078537223.
Worked examples
1 tbsp (metric) ≈ 0.003962580785 gal (US)
1 × 0.00396258078537223 ≈ 0.003962580785
2 tbsp (metric) ≈ 0.007925161571 gal (US)
2 × 0.00396258078537223 ≈ 0.007925161571
Frequently asked questions
Which recipe measure should I select?
A metric cup is 250 mL, while a US customary cup is 236.5882365 mL. Metric teaspoons and tablespoons here are 5 mL and 15 mL; US customary spoons differ. Match the named definition in the recipe.
Metric tablespoons (15 mL) to US liquid gallons table
Fixed reference · Metric tablespoon (15 mL) to US liquid gallon
Reference values use this page’s named pair and default context. Calculator precision and font settings do not change this table.
Metric tablespoon (15 mL) (tbsp (metric))
US liquid gallon (gal (US))
0
0
0.1
0.0003962580785
0.5
0.001981290393
1
0.003962580785
2
0.007925161571
5
0.01981290393
10
0.03962580785
25
0.09906451963
50
0.1981290393
100
0.3962580785
1000
3.962580785
Table results use 10 significant figures; decimal formula coefficients use up to 15. Calculations use the unit definitions before rounding. Extra digits do not improve measurement accuracy.