At One Place

Cubic inches to US cups

1 cubic inch in US cups
1 in³ = 0.069264 cup
cup = in³ × 0.06926406926

To convert cubic inches to US cups, multiply by 0.06926406926. The table below gives the values people look up most often, and the converter works for any number.

Cubic inches to US cups table

Common cubic inch values converted to US cups.
Cubic inches US cups
1 in³ 0.069264
2 in³ 0.13853
3 in³ 0.20779
4 in³ 0.27706
5 in³ 0.34632
10 in³ 0.69264
15 in³ 1.038961
20 in³ 1.385281
25 in³ 1.731602
30 in³ 2.077922
40 in³ 2.770563
50 in³ 3.463203
75 in³ 5.194805
100 in³ 6.926407
250 in³ 17.31602
500 in³ 34.63203
1,000 in³ 69.26407

How the conversion works

The relationship is cup = in³ × 0.06926406926. Both units measure volume, so the conversion is a fixed factor that never changes. The figure is exact rather than approximate: since the international yard and pound agreement of 1959, an inch is defined as exactly 25.4 millimetres and a pound as exactly 0.45359237 kilograms, and every other imperial and US customary unit here is derived from those two.

US cup: US legal cup is 240 mL; the customary cup used here is 236.588 mL.

Common questions

How many US cups are in one cubic inch?
One cubic inch equals 0.069264 US cups. cup = in³ × 0.06926406926.
How do you convert cubic inches to US cups?
Use cup = in³ × 0.06926406926. So 10 in³ is 0.69264 cup.
How many cubic inches are in one US cup?
One US cup equals 14.4375 cubic inches, which is the reverse of the conversion above.
Is there more than one kind of US cup?
US legal cup is 240 mL; the customary cup used here is 236.588 mL.

Related pages

Sources

  1. Guide for the Use of the International System of Units (SP 811) — NIST (Public domain (US Government))
  2. The International System of Units (SI Brochure) — Bureau International des Poids et Mesures
  3. Calculated on this page — At One Place

How these figures are compiled and checked