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Convert Imperial pints to Imperial fluid ounces

1 imperial pint is 20 fl oz (UK). One imperial pint is exactly 20 imperial fluid ounces.

One imperial pint is 20 imperial fluid ounces. To convert imperial pints to imperial fluid ounces, multiply by 20; to go the other way, divide by 20 or multiply by 0.05. The factor is exact rather than rounded: it follows from NIST Handbook 130.

Factor checked against the defining standard · How we check

Imperial fluid ounces
20 fl oz (UK)
Imperial pints × 20
1 * 2020 fl oz (UK)

1 imperial pint in every volume unit

1 imperial pint expressed in every volume unit
UnitValueExact factor
US teaspoons115.2911928 tsp× 115.291192848
US tablespoons38.43039762 tbsp× 38.4303976162
US fluid ounces19.21519881 fl oz× 19.2151988081
US cups2.401899851 cup× 2.40189985101
US pints1.200949926 pt× 1.2009499255
US quarts0.6004749628 qt× 0.600474962752
US gallons0.1501187407 gal× 0.150118740688
milliliters568.26125 ml× 568.26125
liters0.56826125 L× 0.56826125
imperial gallons0.125 gal (UK)× 0.125
imperial quarts0.5 qt (UK)× 0.5
imperial pints (as entered)1 pt (UK)—
imperial fluid ounces20 fl oz (UK)× 20
imperial gills4 gi (UK)× 4
cubic millimetres568,261.25 mm³× 568,261.25
cubic centimetres568.26125 cm³× 568.26125
cubic inches34.6774291 in³× 34.677429099
cubic feet0.02006795665 ft³× 0.0200679566545
cubic yards0.0007432576539 yd³× 0.00074325765387
cubic metres0.00056826125 m³× 0.00056826125

Factors are entered by hand from NIST Handbook 130 rather than derived from a units library, so the ones that terminate are exact rather than rounded.

How do you convert imperial pints to imperial fluid ounces? The converter and the working

  1. 1.Take the measurement in imperial pints.
  2. 2.Multiply by 20 — that is how many imperial fluid ounces fit in one imperial pint.
  3. 3.To go back the other way, divide by 20, or multiply by 0.05.

Worked example: 25 imperial pints to imperial fluid ounces

Formula
pt (UK) × 20 = fl oz (UK)
Arithmetic
25 × 20 = 500 fl oz (UK)
Answer
25 pt (UK) = 500 fl oz (UK)

The factor is exact, so this figure is exact too — only the display is rounded.

Imperial pints to imperial fluid ounces conversion table

Imperial pints to imperial fluid ounces conversion table
Imperial pintsImperial fluid ounces
1 pt (UK)20 fl oz (UK)
2 pt (UK)40 fl oz (UK)
3 pt (UK)60 fl oz (UK)
4 pt (UK)80 fl oz (UK)
5 pt (UK)100 fl oz (UK)
6 pt (UK)120 fl oz (UK)
7 pt (UK)140 fl oz (UK)
8 pt (UK)160 fl oz (UK)
9 pt (UK)180 fl oz (UK)
10 pt (UK)200 fl oz (UK)
12 pt (UK)240 fl oz (UK)
15 pt (UK)300 fl oz (UK)
20 pt (UK)400 fl oz (UK)
25 pt (UK)500 fl oz (UK)
50 pt (UK)1,000 fl oz (UK)
100 pt (UK)2,000 fl oz (UK)
200 pt (UK)4,000 fl oz (UK)
300 pt (UK)6,000 fl oz (UK)
500 pt (UK)10,000 fl oz (UK)
1000 pt (UK)20,000 fl oz (UK)
2000 pt (UK)40,000 fl oz (UK)
5000 pt (UK)100,000 fl oz (UK)
10000 pt (UK)200,000 fl oz (UK)

What is an imperial pint?

An eighth of an imperial gallon, 568.26125 ml exactly, and still the legal measure for draught beer and doorstep milk in the UK. A US pint is 473 ml, which is why a British pint glass holds noticeably more.

What is an imperial fluid ounce?

One 160th of an imperial gallon, 28.4130625 ml exactly. The US fluid ounce is one 128th of a smaller gallon at 29.57 ml, so the two ounces differ by about 4% in the opposite direction to the gallons.

How many imperial fluid ounces are in an imperial pint?

One imperial pint is 20 imperial fluid ounces, exactly. Going the other way, one imperial fluid ounce is 0.05 imperial pints. Both figures come from the same defined relation rather than from a measurement, which is why they are the same today as they were in 1959.

Every volume unit here

The whole group — 20 units with their symbols and the size of each one in liters — is on the conversion index, along with every pair it makes. The table above already gives each of them relative to an imperial pint.

Source: NIST Handbook 130 — US customary liquid measure

Cite this page

APA
Rule Calculator. (2026). Convert Imperial pints to imperial fluid ounces. Rule Calculator. https://rulecalculators.com/convert/imperial-pint-to-imperial-fluid-ounce
MLA
"Convert Imperial pints to imperial fluid ounces." Rule Calculator, August 16, 2026, https://rulecalculators.com/convert/imperial-pint-to-imperial-fluid-ounce.
Chicago
Rule Calculator. "Convert Imperial pints to imperial fluid ounces." Rule Calculator. Last reviewed August 16, 2026. https://rulecalculators.com/convert/imperial-pint-to-imperial-fluid-ounce.

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Questions people actually ask

How many imperial fluid ounces are in an imperial pint?
20. One 160th of an imperial gallon, 28.4130625 ml exactly. The US fluid ounce is one 128th of a smaller gallon at 29.57 ml, so the two ounces differ by about 4% in the opposite direction to the gallons.
How do I convert imperial fluid ounces back to imperial pints?
Divide by 20, or multiply by 0.05 — they are the same operation.

Other volume conversions

Imperial fluid ounces to imperial pints — the same conversion the other way.

Calculators that work in volume