Convert imperial pecks (pk (UK)) to US customary cups (cup (US)).
Volume converter
Instant conversion
Edit either value. Decimals and scientific notation supported.
1
pk (UK)
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LitreL
MillilitremL
Cubic metrem³
Cubic centimetrecm³
Cubic footft³
Cubic inchin³
US liquid gallongal (US)
Imperial gallongal (UK)
US fluid ouncefl oz (US)
Imperial fluid ouncefl oz (UK)
US customary cupcup (US)
Metric cupcup (metric)
US liquid pintpt (US)
US liquid quartqt (US)
Imperial pintpt (UK)
Imperial quartqt (UK)
US customary teaspoontsp (US)
US customary tablespoontbsp (US)
Metric teaspoon (5 mL)tsp (metric)
Metric tablespoon (15 mL)tbsp (metric)
Cubic yardyd³
Imperial gillgi (UK)
Imperial peckpk (UK)
Imperial bushelbu (UK)
Imperial fluid drachmfl dr (UK)
Imperial minimminim (UK)
No units found. Try a name or symbol.
38.43039762
cup (US)
esc
LitreL
MillilitremL
Cubic metrem³
Cubic centimetrecm³
Cubic footft³
Cubic inchin³
US liquid gallongal (US)
Imperial gallongal (UK)
US fluid ouncefl oz (US)
Imperial fluid ouncefl oz (UK)
US customary cupcup (US)
Metric cupcup (metric)
US liquid pintpt (US)
US liquid quartqt (US)
Imperial pintpt (UK)
Imperial quartqt (UK)
US customary teaspoontsp (US)
US customary tablespoontbsp (US)
Metric teaspoon (5 mL)tsp (metric)
Metric tablespoon (15 mL)tbsp (metric)
Cubic yardyd³
Imperial gillgi (UK)
Imperial peckpk (UK)
Imperial bushelbu (UK)
Imperial fluid drachmfl dr (UK)
Imperial minimminim (UK)
No units found. Try a name or symbol.
CONVERSION
1 pk (UK) ≈ 38.43039762 cup (US)
6 significant figures
10 significant figures
15 significant figures
Precision changes displayed rounding, not calculation accuracy.
FORMULAcup (US) = pk (UK) × 38.4303976161554
FORMULA & EXAMPLES
How to convert Imperial pecks to US customary cups
cup (US) = pk (UK) × 38.4303976161554
Multiply the pk (UK) reading by 38.4303976161554.
Worked examples
1 pk (UK) ≈ 38.43039762 cup (US)
1 × 38.4303976161554 ≈ 38.43039762
4 pk (UK) ≈ 153.7215905 cup (US)
4 × 38.4303976161554 ≈ 153.7215905
Frequently asked questions
Why do UK and US capacity readings differ?
The Imperial gallon is 4.54609 L, while the US liquid gallon is 3.785411784 L. Each system has 8 pints and 4 quarts per gallon. An Imperial gallon contains 160 Imperial fluid ounces; a US gallon contains 128 US fluid ounces.
Imperial pecks to US customary cups table
Fixed reference · Imperial peck to US customary cup
Reference values use this page’s named pair and default context. Calculator precision and font settings do not change this table.
Imperial peck (pk (UK))
US customary cup (cup (US))
0
0
0.1
3.843039762
0.5
19.21519881
1
38.43039762
2
76.86079523
5
192.1519881
10
384.3039762
25
960.7599404
50
1921.519881
100
3843.039762
1000
38430.39762
Table results use 10 significant figures; decimal formula coefficients use up to 15. Calculations use the unit definitions before rounding. Extra digits do not improve measurement accuracy.