Imperial fluid ounces to US customary teaspoons converter
Convert imperial fluid ounces (fl oz (UK)) to US customary teaspoons (tsp (US)).
Volume converter
Instant conversion
Edit either value. Decimals and scientific notation supported.
1
fl oz (UK)
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.
5.764559642
tsp (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 fl oz (UK) ≈ 5.764559642 tsp (US)
6 significant figures
10 significant figures
15 significant figures
Precision changes displayed rounding, not calculation accuracy.
FORMULAtsp (US) = fl oz (UK) × 5.7645596424233
FORMULA & EXAMPLES
How to convert Imperial fluid ounces to US customary teaspoons
tsp (US) = fl oz (UK) × 5.7645596424233
Multiply the fl oz (UK) reading by 5.7645596424233.
Worked examples
1 fl oz (UK) ≈ 5.764559642 tsp (US)
1 × 5.7645596424233 ≈ 5.764559642
20 fl oz (UK) ≈ 115.2911928 tsp (US)
20 × 5.7645596424233 ≈ 115.2911928
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 fluid ounces to US customary teaspoons table
Fixed reference · Imperial fluid ounce to US customary teaspoon
Reference values use this page’s named pair and default context. Calculator precision and font settings do not change this table.
Imperial fluid ounce (fl oz (UK))
US customary teaspoon (tsp (US))
0
0
0.1
0.5764559642
0.5
2.882279821
1
5.764559642
2
11.52911928
5
28.82279821
10
57.64559642
25
144.1139911
50
288.2279821
100
576.4559642
1000
5764.559642
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.