A US quart is defined as exactly 4 US cups — a simple, fixed kitchen-measurement conversion.
How it works
Multiplying quarts by 4 gives cups; dividing cups by 4 gives quarts back. Type into either field and the other updates instantly.
What this does not include
This does not include the UK/imperial quart, a different (larger) size than the US quart used here.
How to use this calculator
- Enter a value in either quarts or cups — the other field fills in automatically.
Frequently asked questions
How many quarts are in a gallon?
Exactly 4 — the same clean fraction relationship a quart has to a cup, just one step up in the US customary volume system.
Where is this conversion most commonly needed?
Recipe scaling (a large-batch recipe given in quarts, needing conversion to cups for a smaller-scale version) and reading container sizes at the grocery store.
Is a US quart the same as a liter?
Close but not identical — a US quart is about 0.946 liters, slightly less than a full liter.
