How to convert Metric teaspoons (5 mL) to US liquid gallons
gal (US) = tsp (metric) × 0.00132086026179074
Multiply the tsp (metric) reading by 0.00132086026179074.
Worked examples
1 tsp (metric) ≈ 0.001320860262 gal (US)
1 × 0.00132086026179074 ≈ 0.001320860262
3 tsp (metric) ≈ 0.003962580785 gal (US)
3 × 0.00132086026179074 ≈ 0.003962580785
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 teaspoons (5 mL) to US liquid gallons table
Fixed reference · Metric teaspoon (5 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 teaspoon (5 mL) (tsp (metric))
US liquid gallon (gal (US))
0
0
0.1
0.0001320860262
0.5
0.0006604301309
1
0.001320860262
2
0.002641720524
5
0.006604301309
10
0.01320860262
25
0.03302150654
50
0.06604301309
100
0.1320860262
1000
1.320860262
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.