How many tablespoons are in a UK gallon?

One UK imperial gallon equals approximately 303.0727 metric tablespoons, based on 1 UK gallon = 4,546.09 mL and 1 tablespoon = 15 mL.

Is the tablespoon here US or UK?

This converter uses the US metric tablespoon of exactly 15 mL, which is also the standard tablespoon in most modern recipes worldwide. The UK tablespoon (17.76 mL) is rarely used today.

What is a UK imperial gallon?

The UK imperial gallon is defined as exactly 4.54609 litres. It is larger than the US liquid gallon (3.78541 L) and is used in the United Kingdom and some Commonwealth countries.

How accurate is this converter?

Results are shown to 6 significant figures. The factor 1 UK gal ≈ 303.0727 tbsp follows from 4,546.09 mL ÷ 15 mL.

Can I convert fractions of a tablespoon?

Yes — you can enter any decimal value such as 0.5 or 1.25, and the converter will handle it correctly.

Tablespoons to UK Gallons Converter

Convert tablespoons to UK (imperial) gallons instantly, with the reverse conversion shown side by side.

Tablespoons → UK Gallons

Enter tablespoons (tbsp) to get UK imperial gallons.

Tablespoons (tbsp)

UK Gallons → Tablespoons

Enter UK imperial gallons to get tablespoons.

UK Gallons (gal)

Quick Reference — Common Conversions

Tablespoons (tbsp)	UK Gallons

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Summary

One UK imperial gallon equals approximately 303.0727 metric tablespoons when using 15 mL per tablespoon. This converter handles the calculation in both directions: enter tablespoons to get gallons, or enter gallons to get tablespoons. All arithmetic is done in your browser.

How it works

Enter a value in the Tablespoons field to convert to UK gallons.
Or enter a value in the UK Gallons field to convert to tablespoons.
The converter uses 1 UK gallon = 4.54609 L and 1 tablespoon = 15 mL.
Results update instantly as you type.
Click "Copy Result" to copy the converted value to your clipboard.

Use cases

Scale a UK recipe that lists ingredients in tablespoons to gallon quantities.
Convert a bulk liquid purchase listed in UK gallons back to tablespoons for portioning.
Double-check cooking or brewing measurements when switching between US and UK volumes.
Verify unit conversions for chemistry or lab work using tablespoon measurements.

Frequently Asked Questions

Last updated: 2026-06-13 · Reviewed by Nham Vu