AI Unit Converters
v1.0

Cup (US Customary) to Teaspoon (US) Converter

1 Cup (US Customary) is equal to 48Teaspoon (US)s (tsp). To convert cup (us customary)s to teaspoon (us)s, multiply the value by 48 or use the interactive formula breakdown and reference tables below.

⇄

Volume Converter

Formula: --
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Step-by-Step Mathematical Derivation

Verified SI Standard
➡️ Convert Cup (US Customary) to Teaspoon (US)
Value in tsp = Value in cup × 48

To convert any quantity from Cup (US Customary) to Teaspoon (US), multiply the quantity by the constant conversion factor 48.

⬅️ Convert Teaspoon (US) to Cup (US Customary) (Inverse)
Value in cup = Value in tsp × 0.02083333

To reverse the operation, multiply your Teaspoon (US) figure by 0.02083333 (or divide by 48).

🔢 Step-by-Step Calculation Procedure:
  1. Identify the starting value in Cup (US Customary) (cup).
  2. Apply the exact linear conversion factor: 1 cup = 48 tsp.
  3. Multiply the input value by 48 to obtain the exact measurement in Teaspoon (US) (tsp).
  4. Verify precision against standard BIPM / NIST SP 811 statutory guidelines.
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All-Units Instant Matrix

Live Computed
Liter --
L
Milliliter --
mL
Cubic Meter --
m³
Gallon (US) --
gal
Gallon (Imperial) --
imp gal
Quart (US) --
qt
Pint (US) --
pt
Cup (US Customary) --
cup
Fluid Ounce (US) --
fl oz
Tablespoon (US) --
tbsp
Teaspoon (US) --
tsp
Cubic Foot --
ft³
Cubic Inch --
in³
🖨️

Printable Reference Cheat Sheet

Generate clean offline reference PDF tables for Volume & Liquid

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Academic & Research Citation Exporter

Cite this mathematical formula and conversion factor in research papers and wikis

BibTeX / APA / IEEE 
@misc{ai_unit_converter_cup_(us_customary)_to_teaspoon_(us),
  author       = {AI Unit Converters Standards Board},
  title        = {Exact Cup (US Customary) to Teaspoon (US) Conversion Factor and Mathematical Derivation},
  year         = {2026},
  howpublished = {\url{https://aiunitconverters.com/volume/cup_us-to-tsp_us}},
  note         = {Derived from NIST Special Publication 811 and BIPM SI Brochure}
}

📊Cup (US Customary) to Teaspoon (US) Conversion Tables

Cup (US Customary)s (cup)Teaspoon (US)s (tsp)
1cup48tsp
2cup96tsp
5cup240tsp
10cup480tsp
15cup720tsp
20cup960tsp
25cup1,200tsp
50cup2,400tsp
75cup3,600tsp
100cup4,800tsp
250cup12,000tsp
500cup24,000tsp
1000cup48,000tsp
5000cup240,000tsp
10000cup480,000tsp
Teaspoon (US)s (tsp)Cup (US Customary)s (cup)
1tsp0.0208cup
2tsp0.0417cup
5tsp0.1042cup
10tsp0.2083cup
15tsp0.3125cup
20tsp0.4167cup
25tsp0.5208cup
50tsp1.0417cup
75tsp1.5625cup
100tsp2.0833cup
250tsp5.2083cup
500tsp10.4167cup
1000tsp20.8333cup
5000tsp104.1667cup
10000tsp208.3333cup
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❓ Frequently Asked Questions: Cup (US Customary) to Teaspoon (US)

How do you convert Cup (US Customary)s to Teaspoon (US)s?▼

1 Cup (US Customary) is equal to 48 Teaspoon (US)s. Multiply your input value in Cup (US Customary)s by 48 to obtain the exact equivalent in Teaspoon (US)s.

How many Teaspoon (US)s are in 1 Cup (US Customary)?▼

There are exactly 48Teaspoon (US)s (tsp) in 1 Cup (US Customary) (cup).

Are these calculations calibrated against official measurement standards?▼

Yes. All conversion factors on AI Unit Converters are calibrated and cross-verified against official BIPM SI Brochure (9th Edition), NIST SP 811, and ISO 80000 measurement metrology standards.

Related volume Converters

Cup (US Customary) to LiterCup (US Customary) to MilliliterCup (US Customary) to Cubic MeterCup (US Customary) to Gallon (US)Cup (US Customary) to Gallon (Imperial)Cup (US Customary) to Quart (US)Cup (US Customary) to Pint (US)Cup (US Customary) to Fluid Ounce (US)Cup (US Customary) to Tablespoon (US)Cup (US Customary) to Teaspoon (US)Cup (US Customary) to Cubic FootCup (US Customary) to Cubic Inch