US quarts to US cups Converter

Converting US quarts to US cups is a multiplication by a fixed factor: 1 qt = 4 cup. The table below covers the values people look up most often, and the formula section shows exactly where that factor comes from.

Because one us quart works out to 4 cup, the us cup is the larger unit of the two: a figure given in us cup always carries a larger number than the same measurement in us quart. A chart drawn in qt can hide that, so check which label the axis uses before you compare two readings.

When a container size is certified in US cups but you are dosing in US quarts, it pays to convert from the certified figure rather than from a rounded label.

The conversion factor used here is 4 cup per us quart (0 significant digits as shown). Kept to seven figures it covers professional measurement; if you round it to two or three decimals for a spreadsheet, the error scales with the input — at a value of 1,000 qt a factor rounded to three decimals can be off by a measurable amount. The reverse direction uses 0.25 qt per cup, the exact reciprocal, so a round trip through both pages returns your original number.

US quarts to US cups formula

Use this formula to convert any us quart value to US cups:

cup = qt × 4

Worked example: 100 qt × 4 = 400 cup.

US quarts to US cups conversion table

US quarts (qt)US cups (cup)
0.5 qt2 cup
1 qt4 cup
2 qt8 cup
5 qt20 cup
10 qt40 cup
20 qt80 cup
50 qt200 cup
100 qt400 cup
500 qt2000 cup
1000 qt4000 cup

How to convert US quarts to US cups

Multiply the us quart value by 4 to get the equivalent in US cups. This single factor works for every value in the table above and for anything else you need — there is no per-value adjustment, which is why a conversion table and a calculator always agree.

If you need the opposite direction, use the US cups to US quarts converter instead of dividing by hand; both pages use the same source factors. For every other qt conversion in one place, see the qt conversion hub.

Frequently asked questions

How many US cups are in 1 us quart?
1 us quart = 4 cup.

What is 100 US quarts in US cups?
100 qt = 400 cup.

Is converting US quarts to US cups the same as US cups to US quarts?
No — the direction changes the multiplier. The reverse conversion (1 cup = 0.25 qt) is on the US cups to US quarts page.

Related conversions

Try the ConvBolt Unit Converter for any other volume unit, browse the Volume conversions, or read our conversion guides.