Convert Tablespoon (US) to imperial gallons
Americas · 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 Tablespoon (US) = 0.00325264 imperial gallons
imperial gallons = Tablespoon (US) × 0.0032526413
Convert any amount
Tablespoon (US) to imperial gallons table
| Tablespoon (US) | imperial gallons |
|---|---|
| 0.25 Tablespoon (US) | 0.00081316 imperial gallons |
| 0.5 Tablespoon (US) | 0.00162632 imperial gallons |
| 1 Tablespoon (US) | 0.00325264 imperial gallons |
| 2 Tablespoon (US) | 0.00650528 imperial gallons |
| 3 Tablespoon (US) | 0.00975792 imperial gallons |
| 4 Tablespoon (US) | 0.0130106 imperial gallons |
| 5 Tablespoon (US) | 0.0162632 imperial gallons |
| 10 Tablespoon (US) | 0.0325264 imperial gallons |
| 20 Tablespoon (US) | 0.0650528 imperial gallons |
| 25 Tablespoon (US) | 0.081316 imperial gallons |
| 50 Tablespoon (US) | 0.162632 imperial gallons |
| 100 Tablespoon (US) | 0.325264 imperial gallons |
About the Tablespoon (US)
US tablespoon = 14.79ml = 3 teaspoons.
- Symbol
- tbsp
- Value in SI
- 1 Tablespoon (US) = 0.0147868 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 Americas 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 If your figure came from a land record, invoice or historical document rather than a calculator, check these before assuming a single standard.
Related conversions
Frequently asked
How many imperial gallons are in a Tablespoon (US)?
1 Tablespoon (US) = 0.00325264 imperial gallons. Multiply the number of Tablespoon (US) by 0.0032526413 to get imperial gallons.
What is Tablespoon (US) used for?
US tablespoon = 14.79ml = 3 teaspoons. It is classified as active and dates from the modern period.
Is the Tablespoon (US) 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 Tablespoon (US) 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 Tablespoon (US) to imperial gallons. UnitConvertLab. Retrieved from https://unitconvertlab.com/regional/tbsp-us-to-imperial-gallon
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