Convert Teaspoon (Metric) to imperial gallons
Western Europe · Cooking Measures · active · modern
Conventional value The unit is customary but its modern value is settled and widely cited; the arithmetic itself is exact.
1 Teaspoon (Metric) = 0.00109985 imperial gallons
imperial gallons = Teaspoon (Metric) × 0.0010998462
Convert any amount
Teaspoon (Metric) to imperial gallons table
| Teaspoon (Metric) | imperial gallons |
|---|---|
| 0.25 Teaspoon (Metric) | 0.000274962 imperial gallons |
| 0.5 Teaspoon (Metric) | 0.000549923 imperial gallons |
| 1 Teaspoon (Metric) | 0.00109985 imperial gallons |
| 2 Teaspoon (Metric) | 0.00219969 imperial gallons |
| 3 Teaspoon (Metric) | 0.00329954 imperial gallons |
| 4 Teaspoon (Metric) | 0.00439938 imperial gallons |
| 5 Teaspoon (Metric) | 0.00549923 imperial gallons |
| 10 Teaspoon (Metric) | 0.0109985 imperial gallons |
| 20 Teaspoon (Metric) | 0.0219969 imperial gallons |
| 25 Teaspoon (Metric) | 0.0274962 imperial gallons |
| 50 Teaspoon (Metric) | 0.0549923 imperial gallons |
| 100 Teaspoon (Metric) | 0.109985 imperial gallons |
About the Teaspoon (Metric)
Metric teaspoon = 5ml exactly.
- Symbol
- tsp m
- Value in SI
- 1 Teaspoon (Metric) = 0.005 litre
- Typical use
- cooking
- Source
- UnitConvertLab measurement atlas
Every atlas conversion routes through the SI litre. See our methodology and data provenance pages for how these values are sourced and verified.
Related units and variant risk
Other cooking measures units in the Western Europe family, least settled first. If your figure came from a land record, invoice or historical document rather than a calculator, check these before assuming a single standard.
- Gill (UK) to imperial gallonsHistorically reconstructed
- Tablespoon (Metric) to imperial gallonsConventional value
- Cup (UK/Imperial) to imperial gallonsConventional value
- Cup (Metric) to imperial gallonsConventional value
- Fluid Ounce (UK) to imperial gallonsConventional value
- Gallon (UK) to imperial gallonsConventional value
- Gallon (US) to imperial gallonsConventional value
- Pint (UK) to imperial gallonsConventional value
Related conversions
Frequently asked
How many imperial gallons are in a Teaspoon (Metric)?
1 Teaspoon (Metric) = 0.00109985 imperial gallons. Multiply the number of Teaspoon (Metric) by 0.0010998462 to get imperial gallons.
What is Teaspoon (Metric) used for?
Metric teaspoon = 5ml exactly. It is classified as active and dates from the modern period.
Is the Teaspoon (Metric) value exact?
Yes for practical purposes. UnitConvertLab converts every atlas unit through the SI litre, so the arithmetic itself introduces no rounding beyond the digits shown.
How reliable is this Teaspoon (Metric) conversion?
Conventional value — The unit is customary but its modern value is settled and widely cited; the arithmetic itself is exact. Source: UnitConvertLab measurement atlas.
Cite this page
UnitConvertLab. (2026). Convert Teaspoon (Metric) to imperial gallons. UnitConvertLab. Retrieved from https://unitconvertlab.com/regional/tsp-metric-to-imperial-gallon
Report an incorrect value or source
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