1,000 milliliters to US cups
4.227 cup
1,000 mL = 4.227 cup.
US cups
4.227cup
1,000 mL = 4.227 cup
In short
How many US cups is 1,000 milliliters?
1,000 mL = 4.227 cup. 1 milliliter = 0.004227 US cups, so the working is 1,000 × 0.004227 = 4.227.
The working
The factor below is an exact definition rather than a measurement, so nothing is approximated in the arithmetic. The only rounding on this page happens where a number is displayed.
1 milliliter = 0.004227 US cups 1,000 × 0.004227 = 4.227
How much precision do you need?
Each row is the same answer cut at a different number of decimals, with what that choice costs you. Pick the shortest row whose error is smaller than whatever you are measuring with.
| Rounded to | Answer (cup) | Off by |
|---|---|---|
| Whole number | 4 | −0.22675 |
| 1 decimal | 4.2 | −0.02675 |
| 2 decimals | 4.23 | +0.00325 |
Round trip: take 4.227 cup back the other way and you land on 1,000.0585 mL — a drift of 0.0585 mL. That gap is the rounding, not the conversion.
What 1,000 mL looks like
1,000 mL
One litre is 1,000 millilitres, a little more than the 946 millilitre US quart.
Frequently asked questions
What is 1,000 milliliters in US cups?
1,000 milliliters is 4.227 US cups. 1 milliliter = 0.004227 US cups, so the working is 1,000 × 0.004227 = 4.227.
How accurate is 4.227 cup?
Rounding to 4.227 cup and converting straight back gives 1,000.0585 mL, a drift of 0.0585 mL from the 1,000 you started with. The factor itself is exact; every bit of that difference comes from the rounding, not the conversion.
Nearby values
Any value at all
Milliliters to Cups Converter
Convert milliliters to US cups — and see how far the 250 mL metric cup is from the US one.
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