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Convert Imperial quarts to US teaspoons

1 imperial quart is 230.58 tsp. One imperial quart is exactly 230.582385697 US teaspoons.

One imperial quart is 230.58239 US teaspoons. To convert imperial quarts to US teaspoons, multiply by 230.58239; to go the other way, divide by 230.58239 or multiply by 0.0043368447. The relation is exact but the figure is not: it is a rounding of a number that does not terminate, and it follows from NIST Handbook 130. A quarter of an imperial gallon, 1.1365225 liters exactly.

Factor checked against the defining standard · How we check

US teaspoons
230.58 tsp
Imperial quarts × 230.58239
1 * 230.58239230.582 tsp

1 imperial quart in every volume unit

1 imperial quart expressed in every volume unit
UnitValueExact factor
US teaspoons230.5823857 tsp× 230.582385697
US tablespoons76.86079523 tbsp× 76.8607952323
US fluid ounces38.43039762 fl oz× 38.4303976162
US cups4.803799702 cup× 4.80379970202
US pints2.401899851 pt× 2.40189985101
US quarts1.200949926 qt× 1.2009499255
US gallons0.3002374814 gal× 0.300237481376
milliliters1,136.5225 ml× 1,136.5225
liters1.1365225 L× 1.1365225
imperial gallons0.25 gal (UK)× 0.25
imperial quarts (as entered)1 qt (UK)—
imperial pints2 pt (UK)× 2
imperial fluid ounces40 fl oz (UK)× 40
imperial gills8 gi (UK)× 8
cubic millimetres1,136,522.5 mm³× 1,136,522.5
cubic centimetres1,136.5225 cm³× 1,136.5225
cubic inches69.3548582 in³× 69.3548581979
cubic feet0.04013591331 ft³× 0.040135913309
cubic yards0.001486515308 yd³× 0.00148651530774
cubic metres0.0011365225 m³× 0.0011365225

Factors are entered by hand from NIST Handbook 130 rather than derived from a units library, so the ones that terminate are exact rather than rounded.

How do you convert imperial quarts to US teaspoons? The converter and the working

  1. 1.Take the measurement in imperial quarts.
  2. 2.Multiply by 230.58239 — that is how many US teaspoons fit in one imperial quart.
  3. 3.To go back the other way, divide by 230.58239, or multiply by 0.0043368447.

Worked example: 25 imperial quarts to US teaspoons

Formula
qt (UK) × 230.58239 = tsp
Arithmetic
25 × 230.58239 = 5,764.56 tsp
Answer
25 qt (UK) = 5,764.56 tsp

The factor is rounded for display; the figure above is computed from the full value.

Imperial quarts to US teaspoons conversion table

Imperial quarts to US teaspoons conversion table
Imperial quartsUS teaspoons
1 qt (UK)230.58 tsp
2 qt (UK)461.16 tsp
3 qt (UK)691.75 tsp
4 qt (UK)922.33 tsp
5 qt (UK)1,152.91 tsp
6 qt (UK)1,383.49 tsp
7 qt (UK)1,614.08 tsp
8 qt (UK)1,844.66 tsp
9 qt (UK)2,075.24 tsp
10 qt (UK)2,305.82 tsp
12 qt (UK)2,766.99 tsp
15 qt (UK)3,458.74 tsp
20 qt (UK)4,611.65 tsp
25 qt (UK)5,764.56 tsp
50 qt (UK)11,529.12 tsp
100 qt (UK)23,058.24 tsp
200 qt (UK)46,116.48 tsp
300 qt (UK)69,174.72 tsp
500 qt (UK)115,291.19 tsp
1000 qt (UK)230,582.39 tsp
2000 qt (UK)461,164.77 tsp
5000 qt (UK)1,152,911.93 tsp
10000 qt (UK)2,305,823.86 tsp

What is an imperial quart?

A quarter of an imperial gallon, 1.1365225 liters exactly. It is larger than a US quart by the same fifth that separates the two gallons.

What is a US teaspoon?

One third of a tablespoon, about 4.93 ml. A metric teaspoon is a round 5 ml, which is why recipes rarely notice the difference.

How many US teaspoons are in an imperial quart?

One imperial quart is 230.58239 US teaspoons. Going the other way, one US teaspoon is 0.0043368447 imperial quarts. Both figures come from the same defined relation rather than from a measurement, which is why they are the same today as they were in 1959.

Every volume unit here

The whole group — 20 units with their symbols and the size of each one in liters — is on the conversion index, along with every pair it makes. The table above already gives each of them relative to an imperial quart.

Source: NIST Handbook 130 — US customary liquid measure

Cite this page

APA
Rule Calculator. (2026). Convert Imperial quarts to US teaspoons. Rule Calculator. https://rulecalculators.com/convert/imperial-quart-to-teaspoon
MLA
"Convert Imperial quarts to US teaspoons." Rule Calculator, August 16, 2026, https://rulecalculators.com/convert/imperial-quart-to-teaspoon.
Chicago
Rule Calculator. "Convert Imperial quarts to US teaspoons." Rule Calculator. Last reviewed August 16, 2026. https://rulecalculators.com/convert/imperial-quart-to-teaspoon.

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Questions people actually ask

How many US teaspoons are in an imperial quart?
230.58239. One third of a tablespoon, about 4.93 ml. A metric teaspoon is a round 5 ml, which is why recipes rarely notice the difference.
How do I convert US teaspoons back to imperial quarts?
Divide by 230.58239, or multiply by 0.0043368447 — they are the same operation.

Other volume conversions

US teaspoons to imperial quarts — the same conversion the other way.

Calculators that work in volume