Convert Metric Teaspoon to US Gallon
Convert metric teaspoons to us gallons instantly. 1 metric teaspoon = 0.0013208603 us gallon — use the live calculator, the exact formula, a conversion table and worked examples. Also check the US Gallon to Metric Teaspoon converter for the reverse conversion.
Units explained
Metric Teaspoon
A metric teaspoon is exactly 5 milliliters.
Adopted as the standard metric small cooking measure.
Universal in metric recipes and liquid medicine dosing.
Metrication.
US Gallon
The US liquid gallon is defined as exactly 231 cubic inches (3.785411784 liters).
Based on the English wine gallon of 231 cubic inches, retained by the US after 1824.
The primary US unit for fuel, milk and large beverage containers.
English wine gallon; US since 1824.
Metric Teaspoon to US Gallon conversion formula
The relationship between metric teaspoons and us gallons:
To convert metric teaspoons to us gallons, multiply the value in metric teaspoons by 0.0013208603. To reverse, multiply us gallons by 757.0823568.
How to use this converter
Type a value into the calculator. The result in us gallons updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the US Gallon to Metric Teaspoon converter for the reverse direction.
Step-by-step: convert metric teaspoons to us gallons
- Write down the value in metric teaspoons (tsp).
- Multiply that value by the factor 0.0013208603.
- The product is the equivalent value in us gallons (gal).
- To reverse, multiply the us gallon value by 757.0823568.
Worked examples
Example 1 — Convert 1 tsp to gal:
1 × 0.0013208603 = 0.0013208603 gal
Example 2 — Convert 100 tsp to gal:
100 × 0.0013208603 = 0.1320860262 gal
Real-world example — Plastic film and laminate thickness
A 500-metric teaspoon sheet is a typical spec for ID-card laminates and film overlays. Converting to us gallons aligns the value with the unit most CAD systems and material datasheets prefer.
500 tsp × 0.0013208603 = 0.6604301309 gal
Real-world example — Packaging gauge
A 4-metric teaspoon plastic bag thickness is a common spec for grocery and freezer bags. Converting from metric teaspoons to us gallons is what packaging buyers do whenever they bridge US and metric supplier quotes.
4 tsp × 0.0013208603 = 0.005283441 gal
Metric Teaspoon to US Gallon conversion table
Standard reference values for converting metric teaspoons to us gallons:
| Metric Teaspoon [tsp] | US Gallon [gal] |
|---|---|
| 0.01 | 1.32086e-5 |
| 0.1 | 0.000132086 |
| 1 | 0.0013208603 |
| 2 | 0.0026417205 |
| 3 | 0.0039625808 |
| 4 | 0.005283441 |
| 5 | 0.0066043013 |
| 10 | 0.0132086026 |
| 20 | 0.0264172052 |
| 30 | 0.0396258079 |
| 40 | 0.0528344105 |
| 50 | 0.0660430131 |
| 100 | 0.1320860262 |
| 500 | 0.6604301309 |
| 1000 | 1.3208602618 |
Frequently asked questions
How many us gallons is 1 metric teaspoon?
How do I convert metric teaspoons to us gallons?
How do I convert us gallons back to metric teaspoons?
How many us gallons is 100 metric teaspoons?
Popular volume unit conversions
Convert Metric Teaspoon to other volume units
Show all Metric Teaspoon conversions
Metric / SI (8 units)
US Customary (Liquid) (8 units)
Imperial (UK) (4 units)
Cubic (length-derived) (3 units)
Cooking / Culinary (2 units)
Sources & references
Conversion factor (1 tsp = 0.0013208603 gal) verified against the following authoritative sources:
- BIPM — The International System of Units (SI Brochure 9th ed.)
Official BIPM publication defining the seven SI base units (including the meter) and the rules for their use. The global authority on units of measurement.
- NIST — Guide to the SI
US National Institute of Standards and Technology reference covering the SI base and derived units with definitions and usage rules for US technical practice.
- NIST Special Publication 811 — Guide for the Use of the International System of Units
Detailed NIST guide covering exact conversion factors between SI and US customary units along with formatting and rounding conventions.
- NIST — Refinement of values for the yard and pound (Federal Register 1959)
The treaty (signed by US
- International Hydrographic Organization — Resolution on the Nautical Mile
International authority that standardised the nautical mile at exactly 1852 m in 1929 — the value adopted worldwide for sea and air navigation.