4 US tablespoons to US cups
0.250 cup
4 tbsp = 0.250 cup.
US cups
0.250cup
4 tbsp = 0.250 cup
In short
How many US cups is 4 US tablespoons?
4 tbsp = 0.250 cup. 1 US tablespoon = 0.062500 US cups, so the working is 4 × 0.062500 = 0.250.
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 US tablespoon = 0.062500 US cups 4 × 0.062500 = 0.250
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 | 0 | −0.25000 |
| 1 decimal | 0.3 | +0.05000 |
| 2 decimals | 0.25 | exact |
Round trip: take 0.250 cup back the other way and you land on 4.0000 tbsp — a drift of 0.0000 tbsp. That gap is the rounding, not the conversion.
What 4 tbsp looks like
4 tbsp
Four tablespoons make a quarter cup, the US cup being sixteen tablespoons.
Frequently asked questions
What is 4 US tablespoons in US cups?
4 US tablespoons is 0.250 US cups. 1 US tablespoon = 0.062500 US cups, so the working is 4 × 0.062500 = 0.250.
How accurate is 0.250 cup?
Rounding to 0.250 cup and converting straight back gives 4.0000 tbsp, a drift of 0.0000 tbsp from the 4 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
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