Convert Tablespoon (US) to US cups
Americas · Cooking Measures · active · modern
Conventional value The unit is customary but its modern value is settled and widely cited; the arithmetic itself is exact.
1 Tablespoon (US) = 0.0625001 US cups
US cups = Tablespoon (US) × 0.062500149
Convert any amount
Tablespoon (US) to US cups table
| Tablespoon (US) | US cups |
|---|---|
| 0.25 Tablespoon (US) | 0.015625 US cups |
| 0.5 Tablespoon (US) | 0.0312501 US cups |
| 1 Tablespoon (US) | 0.0625001 US cups |
| 2 Tablespoon (US) | 0.125 US cups |
| 3 Tablespoon (US) | 0.1875 US cups |
| 4 Tablespoon (US) | 0.250001 US cups |
| 5 Tablespoon (US) | 0.312501 US cups |
| 10 Tablespoon (US) | 0.625001 US cups |
| 20 Tablespoon (US) | 1.25 US cups |
| 25 Tablespoon (US) | 1.5625 US cups |
| 50 Tablespoon (US) | 3.12501 US cups |
| 100 Tablespoon (US) | 6.25001 US cups |
About the Tablespoon (US)
US tablespoon = 14.79ml = 3 teaspoons.
- Symbol
- tbsp
- Value in SI
- 1 Tablespoon (US) = 0.0147868 litre
- Typical use
- cooking
- Source
- UnitConvertLab measurement atlas
Every atlas conversion routes through the SI litre. See our methodology and data provenance pages for how these values are sourced and verified.
Related units and variant risk
Other cooking measures units in the Americas family, least settled first. If your figure came from a land record, invoice or historical document rather than a calculator, check these before assuming a single standard.
Related conversions
Frequently asked
How many US cups are in a Tablespoon (US)?
1 Tablespoon (US) = 0.0625001 US cups. Multiply the number of Tablespoon (US) by 0.062500149 to get US cups.
What is Tablespoon (US) used for?
US tablespoon = 14.79ml = 3 teaspoons. It is classified as active and dates from the modern period.
Is the Tablespoon (US) value exact?
Yes for practical purposes. UnitConvertLab converts every atlas unit through the SI litre, so the arithmetic itself introduces no rounding beyond the digits shown.
How reliable is this Tablespoon (US) conversion?
Conventional value — The unit is customary but its modern value is settled and widely cited; the arithmetic itself is exact. Source: UnitConvertLab measurement atlas.
Cite this page
UnitConvertLab. (2026). Convert Tablespoon (US) to US cups. UnitConvertLab. Retrieved from https://unitconvertlab.com/regional/tbsp-us-to-us-cup
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