At One Place

US fluid ounces to imperial fluid ounces

1 US fluid ounce in imperial fluid ounces
1 fl oz = 1.040843 imp fl oz
imp fl oz = fl oz × 1.040842731

To convert US fluid ounces to imperial fluid ounces, multiply by 1.040842731. The table below gives the values people look up most often, and the converter works for any number.

US fluid ounces to imperial fluid ounces table

Common US fluid ounce values converted to imperial fluid ounces.
US fluid ounces Imperial fluid ounces
1 fl oz 1.040843
2 fl oz 2.081685
3 fl oz 3.122528
4 fl oz 4.163371
5 fl oz 5.204214
10 fl oz 10.40843
15 fl oz 15.61264
20 fl oz 20.81685
25 fl oz 26.02107
30 fl oz 31.22528
40 fl oz 41.63371
50 fl oz 52.04214
75 fl oz 78.0632
100 fl oz 104.0843
250 fl oz 260.2107
500 fl oz 520.4214
1,000 fl oz 1,040.8427

How the conversion works

The relationship is imp fl oz = fl oz × 1.040842731. Both units measure volume, so the conversion is a fixed factor that never changes.

Common questions

How many imperial fluid ounces are in one US fluid ounce?
One US fluid ounce equals 1.040843 imperial fluid ounces. imp fl oz = fl oz × 1.040842731.
How do you convert US fluid ounces to imperial fluid ounces?
Use imp fl oz = fl oz × 1.040842731. So 10 fl oz is 10.40843 imp fl oz.
How many US fluid ounces are in one imperial fluid ounce?
One imperial fluid ounce equals 0.96076 US fluid ounces, which is the reverse of the conversion above.

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