Convert 100 tsp to cup

How to convert teaspoons to US cups

1. Formula: US cups = teaspoons × 0.02083333
2. Put in the value: 100 teaspoons.
3. Result: 2.083333 US cups.

Teaspoons to US cups table

Converting the other way: US cups to teaspoons

teaspoons = US cups × 48. So 2.083333 US cups is back to 100 teaspoons; one US cup is 48 teaspoons. See the US cups to teaspoons table.

Quick estimate in your head

For a rough answer, multiply by about 0.02: 100 × 0.02 ≈ 2 cup, against the exact 2.083333 cup (4.0% out). Good enough to check that a calculated result is sensible.

Common mistakes

The usual slip is using the factor the wrong way round. A teaspoon is smaller than a US cup, so the number of US cups must come out smaller than the number of teaspoons. If your answer goes the other way, divide instead of multiplying.

About the units

Teaspoon (tsp) and US cup (cup) are both units of volume. One teaspoon equals 0.02083333 US cups, and one US cup equals 48 teaspoons. Results on this page are rounded for display; the conversion itself uses the exact definitions.

Volume conversions come up in recipes, fuel economy, drink and bottle sizes, garden and pool water, and engine sizes.

100 teaspoons in other units

The most readable unit for this amount is US pints (1.041667).

• 492.892159 ml
• 0.49289216 l
• 0.00049289 m3
• 33.333333 tbsp
• 16.666667 floz
• 2.083333 cup
• 1.041667 pt
• 0.52083333 qt
• 0.13020833 gal
• 0.10842112 impgal

How this answer was calculated

The result is worked out from the numbers in this page's address when the page is opened, using exact arithmetic wherever possible and rounding only for display. Nothing is copied from a printed table. If you think an answer is wrong, please tell us through the contact page and we will check it.

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