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Convert pt to cup
1 pt = 2 cup
Type a value in US pints and the answer in US cups appears as you go. The conversion is exactly 2 cup to the us pint, and it happens on your own machine — this page asks nothing of a server once it has loaded.
Where it runs
In your browser. The number you type is never part of a request.
Exact by definition
1 pt is exactly 2 cup — a definition, not a rounded factor.
Answers as you type
No button, no wait. The worked answer is already on the page before any script runs.
US pint and US cup
A US pint is 473 ml and an imperial pint is 568 ml — a fifth larger. This is the single most consequential difference between the two systems for anybody following a recipe or ordering a drink.
A US customary cup is 236.6 ml, but American nutrition labels use a "legal" cup of exactly 240 ml, and a metric cup in Australia is 250. A recipe scaled up tenfold will show which one it assumed.
US pints to US cups in practice
1 pt is 2 cup
— a US pint of milk.
8 pt is 16 cup
— eight pints, which is a US gallon.
US pints to US cups at a glance
| pt | cup |
|---|---|
| 1 | 2 |
| 2 | 4 |
| 3 | 6 |
| 5 | 10 |
| 10 | 20 |
| 20 | 40 |
| 50 | 100 |
| 100 | 200 |
Every figure here is computed from the same definition the calculator uses, so the table cannot drift away from the answer above it.
Convert pt to cup: common questions
How many US cups are in a us pint?
Exactly 2. One us pint is 2 US cups, and the box above will do it for any figure you type.
Is this conversion exact, or rounded?
The ratio is exact. It is not a rounded constant typed into a table: it is derived from the definitions of the two units, so it agrees with any other correct converter to as many digits as you care to compare.
Why does another converter show a slightly different number?
Almost always rounding rather than disagreement. Many converters cut the answer to two or four decimals, and some carry a factor that was rounded before the multiplication rather than after. The figures here are computed from the exact definitions and only rounded on the way to the screen.
Where these figures come from
The claims this page makes about volume units are checkable, and these are the documents that settle them.
How this page works
The factor is a constant in the page and the arithmetic is four operations, so nothing is sent anywhere and nothing needs to be. The number you type never leaves the browser — there is no request for it to travel in.