How many US tablespoons are in a UK gallon?

One UK (imperial) gallon equals approximately 307.443 US tablespoons. The US tablespoon is defined as exactly 14.786765 mL, and the UK gallon is exactly 4,546.09 mL, so 4,546.09 / 14.786765 ≈ 307.443.

How many UK tablespoons are in a UK gallon?

One UK (imperial) gallon equals exactly 256 UK tablespoons when using the traditional British tablespoon of 17.7582 mL. Some sources round this to 213.333 metric tablespoons (15 mL each).

What is the difference between a US and UK tablespoon?

A US tablespoon is exactly 14.786765 mL. A traditional UK tablespoon is approximately 17.7582 mL — about 20% larger. The metric tablespoon (15 mL) is sometimes used in UK recipes instead.

Is a UK gallon the same as a US gallon?

No. A UK (imperial) gallon is 4,546.09 mL, while a US gallon is 3,785.41 mL. The UK gallon is about 20% larger than the US gallon.

Can I use this converter for cooking recipes?

Yes. Enter the gallon amount and use the US tablespoon result if your recipe uses US measurements, or the UK tablespoon result if it uses British cooking measurements.

UK Gallons to Tablespoons Converter

Name: UK Gallons to Tablespoons Converter
Availability: InStock
Author: Nham Vu

Enter UK (imperial) gallons and instantly see the equivalent in US tablespoons and UK tablespoons.

UK Gallons

Amount (UK gallons)

Quick reference

1 UK gal= 307.443 US tbsp

1 UK gal= 256 UK tbsp

1 UK tbsp≈ 17.758 mL

1 US tbsp≈ 14.787 mL

US Tablespoons

—

1 US tbsp = 14.786765 mL

UK Tablespoons

—

1 UK tbsp = 17.7582 mL (traditional)

Formula

US tbsp = UK gal × 307.443

UK tbsp = UK gal × 256

Copied!

Summary

Enter UK (imperial) gallons and instantly see the equivalent in US tablespoons and UK tablespoons.

How it works

Enter the number of UK (imperial) gallons in the input field.
The converter multiplies by 307.443 for US tablespoons (1 UK gal ≈ 307.443 US tbsp) or by 256 for UK tablespoons (1 UK gal ≈ 256 UK tbsp).
Results for both tablespoon standards appear instantly below.
Use the swap button to convert from tablespoons back to UK gallons.
Copy individual results with the copy button next to each value.

Use cases

Scale recipes that use UK imperial measurements when cooking with US measuring spoons.
Convert large-batch cooking or brewing quantities between volume units.
Cross-check ingredient amounts when following British cookbooks in a US kitchen.
Calculate how many tablespoons of liquid fit in an imperial gallon container.
Teaching or learning unit conversion between imperial and common cooking measures.

Frequently Asked Questions

Last updated: 2026-07-26 · Reviewed by Nham Vu