Pints to Litres Converter
Convert UK pints to litres and millilitres, and compare with US pints.
Your result
Updates as you type. Based on 2025/26 UK figures where relevant.
How this is worked out
A UK (imperial) pint is 568.26ml – about 20% bigger than a US pint (473.18ml).
Tips
- UK pints and gallons are larger than US ones.
- One stone is 14 pounds.
- An inch is exactly 2.54 centimetres by definition.
Guides for this calculator
- How to Calculate UK Pints to Litres in the UK: Step-by-Step Guide
- UK Pints to Litres: Common Mistakes, Tips and FAQs
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Frequently asked questions
How does the pints to Litres Converter work?
A UK (imperial) pint is 568.26ml – about 20% bigger than a US pint (473.18ml).
Are the conversion factors exact?
Yes. We use the official defined values, such as 1 inch = 2.54 cm and 1 lb = 0.45359237 kg.
Why does the UK still use imperial units?
Metric is official for most trade, but imperial units remain legal and common for road distances, beer and milk, and personal height and weight.
Can I convert the other way?
Yes – divide by the same factor, or use a related converter on this site.
This calculator gives an estimate for general information. It isn't financial, tax, legal or medical advice. Check official figures on GOV.UK or NHS.uk, or speak to a qualified adviser.