How to Convert Fluid Ounces to Pints
To convert a volume measurement from fluid ounces to pints, divide the volume by the conversion factor. Since one fluid ounce is equal to 0.0625 pints, you can use this formula:
The volume in pints is equal to the fluid ounces divided by 16.
Using the formula: pints = fluid ounces ÷ 16
pints = 5 fl oz ÷ 16 = 0.3125 pt
Therefore, 5 fluid ounces equals 0.3125 pints.
How Many Pints Are in a Fluid Ounce?
There are 0.0625 pints in one fluid ounce.
What Is a Fluid Ounce?
The fluid ounce (symbol: fl oz) is a unit of volume in the US customary system equal to 1/128 of a US gallon, or exactly 1.8046875 cubic inches (approximately 29.5735 mL). Fluid ounces are widely used in the United States for measuring beverages, medicines, and personal care products. Beverage containers are labelled in fluid ounces: a standard soda can is 12 fl oz, a typical water bottle is 16.9 fl oz (500 mL), and a “tall” coffee is often 12 fl oz. One US fluid ounce equals exactly 2 tablespoons or 6 teaspoons. It is important to distinguish the fluid ounce (a measure of volume) from the ounce (a measure of weight). One fluid ounce of water weighs approximately 1.043 avoirdupois ounces at room temperature, so the two are close but not identical. The US fluid ounce (29.57 mL) is slightly larger than the imperial fluid ounce (28.41 mL) used in the UK. This difference, though small for individual measurements, compounds in larger quantities.
One fluid ounce is equal to:
- 1/128 of a gallon (gal)
- 1/32 of a quart (qt)
- 1/16 of a pint (pt)
- 0.125 cups
- 2 tablespoons (tbsp)
- 6 teaspoons (tsp)
- 1.804688 cubic inches (in³)
- 0.029574 litres (L)
- 29.5735 millilitres (mL)
What Is a Pint?
The pint (symbol: pt) is a unit of volume in the US customary system equal to one-half of a quart, one-eighth of a gallon, or exactly 28.875 cubic inches (0.473176473 litres). Pints are widely used in the United States for measuring beverages, particularly beer and ice cream. A “pint of beer” at a bar or restaurant is served in a 16-fluid-ounce glass. Ice cream is commonly sold in pint containers (16 fl oz) and half-gallon tubs. One US liquid pint contains exactly 2 cups, 16 fluid ounces, 32 tablespoons, or 96 teaspoons. The US pint (473 mL) is smaller than the imperial pint (568 mL) used in the UK and some Commonwealth countries. In cooking, pints are a convenient intermediate measurement between cups and quarts. Many recipes call for ingredients measured in pints, especially when dealing with fresh produce like berries or cherry tomatoes sold in pint baskets.
One pint is equal to:
- 0.125 gallons (gal)
- 0.5 quarts (qt)
- 2 cups
- 16 fluid ounces (fl oz)
- 32 tablespoons (tbsp)
- 96 teaspoons (tsp)
- 28.875 cubic inches (in³)
- 0.473176 litres (L)
- 473.176 millilitres (mL)
Understanding Volume Units
Volume is a measure of the three-dimensional space occupied by a substance or enclosed within a container. It is a fundamental physical quantity used in cooking, science, engineering, construction, medicine, and everyday life.
Volume units fall into two broad families: metric units (based on the litre and cubic metre) and US customary/imperial units (based on the gallon and cubic foot). While the metric system is used by most of the world, the US customary system remains dominant in the United States for everyday measurements.
US Customary Volume Units
- Cooking measures: The teaspoon (tsp), tablespoon (tbsp), cup, pint (pt), quart (qt), and gallon (gal) form a system of nested units. There are 3 tsp in 1 tbsp, 16 tbsp in 1 cup, 2 cups in 1 pint, 2 pints in 1 quart, and 4 quarts in 1 gallon.
- Fluid ounces: The fluid ounce (fl oz) bridges cooking and commercial measurement. One cup = 8 fl oz. Beverage containers are labelled in fluid ounces.
- Cubic measures: Cubic inches (in³), cubic feet (ft³), and cubic yards (yd³) are used in construction, shipping, and engineering. One cubic foot = 1,728 cubic inches, and one cubic yard = 27 cubic feet.
Metric Volume Units
- Litre (L): The fundamental metric volume unit for everyday use. Equal to 1,000 mL, 1,000 cm³, or 0.001 m³.
- Millilitre (mL) / Cubic centimetre (cm³): These two units are exactly equal (1 mL = 1 cm³). Used for small volumes in cooking, medicine, and science.
- Cubic metre (m³): The SI derived unit of volume. Equal to 1,000 litres. Used for large-scale measurements in construction, water management, and industry.
Key Relationships
- 1 US gallon = 231 cubic inches = 3.785412 litres (exact)
- 1 litre = 1,000 millilitres = 1,000 cubic centimetres (exact)
- 1 cubic metre = 1,000 litres (exact)
- 1 cubic foot = 1,728 cubic inches = 28.31685 litres = 7.480519 gallons
- 1 cubic yard = 27 cubic feet = 764.555 litres
- 1 millilitre = 1 cubic centimetre (exact by definition)
Tips for Volume Conversions
- For US cooking conversions, remember the chain: 3 tsp = 1 tbsp, 2 tbsp = 1 fl oz, 8 fl oz = 1 cup, 2 cups = 1 pint, 2 pints = 1 quart, 4 quarts = 1 gallon.
- Quick metric-to-US approximation: 1 litre ≈ 1.06 quarts, or about 4.23 cups. A litre is slightly more than a quart.
- Quick US-to-metric approximation: 1 gallon ≈ 3.79 litres, or roughly 3.8 litres. Think “a gallon is about 4 litres” for rough estimates.
- 1 millilitre and 1 cubic centimetre are exactly the same volume. Use whichever is conventional in your field (mL in cooking/medicine, cm³ in engineering/automotive).
- For cubic measure conversions, remember that volume scales as the cube of length: 1 ft³ = 12³ = 1,728 in³, and 1 yd³ = 3³ = 27 ft³.
- US fluid ounces are NOT the same as weight ounces. One fluid ounce of water weighs about 1.043 oz. The names are similar but the measurements are different.
- US gallons are NOT the same as imperial (UK) gallons. The US gallon is 3.785 L, while the imperial gallon is 4.546 L — about 20% larger.
- The “metric cup” (250 mL) used in Australia is slightly larger than the US cup (236.6 mL). When following international recipes, check which cup standard is intended.
Fluid Ounces to Pints Conversion Table
The following table shows conversions from fluid ounces to pints.
| Fluid Ounces | Pints (pt) |
|---|---|
| 1 fl oz | 0.0625 |
| 2 fl oz | 0.125 |
| 3 fl oz | 0.1875 |
| 4 fl oz | 0.25 |
| 5 fl oz | 0.3125 |
| 6 fl oz | 0.375 |
| 7 fl oz | 0.4375 |
| 8 fl oz | 0.5 |
| 9 fl oz | 0.5625 |
| 10 fl oz | 0.625 |
| 11 fl oz | 0.6875 |
| 12 fl oz | 0.75 |
| 13 fl oz | 0.8125 |
| 14 fl oz | 0.875 |
| 15 fl oz | 0.9375 |
| 16 fl oz | 1 |
| 17 fl oz | 1.0625 |
| 18 fl oz | 1.125 |
| 19 fl oz | 1.1875 |
| 20 fl oz | 1.25 |
| 21 fl oz | 1.3125 |
| 22 fl oz | 1.375 |
| 23 fl oz | 1.4375 |
| 24 fl oz | 1.5 |
| 25 fl oz | 1.5625 |
| 26 fl oz | 1.625 |
| 27 fl oz | 1.6875 |
| 28 fl oz | 1.75 |
| 29 fl oz | 1.8125 |
| 30 fl oz | 1.875 |
| 31 fl oz | 1.9375 |
| 32 fl oz | 2 |
| 33 fl oz | 2.0625 |
| 34 fl oz | 2.125 |
| 35 fl oz | 2.1875 |
| 36 fl oz | 2.25 |
| 37 fl oz | 2.3125 |
| 38 fl oz | 2.375 |
| 39 fl oz | 2.4375 |
| 40 fl oz | 2.5 |