Convert Metric Tablespoon to US Cup
Convert metric tablespoons to us cups instantly. 1 metric tablespoon = 0.0634012926 us cup — use the live calculator, the exact formula, a conversion table and worked examples. Also check the US Cup to Metric Tablespoon converter for the reverse conversion.
Units explained
Metric Tablespoon
A metric tablespoon is exactly 15 milliliters.
Adopted with metric cooking standards (Australia uses 20 mL).
Standard metric cooking measure for liquids.
Metrication.
US Cup
A US customary cup is one sixteenth of a US gallon (236.588 mL).
Standardized for American cooking; distinct from the 240 mL US legal cup and the 250 mL metric cup.
The standard US cooking-volume unit in recipes.
US customary cooking measure.
Metric Tablespoon to US Cup conversion formula
The relationship between metric tablespoons and us cups:
To convert metric tablespoons to us cups, multiply the value in metric tablespoons by 0.0634012926. To reverse, multiply us cups by 15.7725491.
How to use this converter
Type a value into the calculator. The result in us cups updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the US Cup to Metric Tablespoon converter for the reverse direction.
Step-by-step: convert metric tablespoons to us cups
- Write down the value in metric tablespoons (tbsp).
- Multiply that value by the factor 0.0634012926.
- The product is the equivalent value in us cups (cup).
- To reverse, multiply the us cup value by 15.7725491.
Worked examples
Example 1 — Convert 1 tbsp to cup:
1 × 0.0634012926 = 0.0634012926 cup
Example 2 — Convert 100 tbsp to cup:
100 × 0.0634012926 = 6.3401292566 cup
Real-world example — Paper and film thicknesses
At the thickness of office paper (roughly 3 metric tablespoons), converting between sub-millimeter units is routine for packaging and printing buyers comparing quotes from metric and US suppliers.
3 tbsp × 0.0634012926 = 0.1902038777 cup
Real-world example — Plastic-film thickness alternates
A 150-metric tablespoon plastic film converts cleanly to us cups — useful for packaging buyers reconciling supplier datasheets across metric and US measurement systems.
150 tbsp × 0.0634012926 = 9.5101938849 cup
Real-world example — Hair-width scale measurements
A 70-metric tablespoon measurement (about the diameter of a human hair) is the kind of value materials engineers regularly express in adjacent micro-scale units like us cups for direct comparison across supplier datasheets.
70 tbsp × 0.0634012926 = 4.4380904796 cup
Metric Tablespoon to US Cup conversion table
Standard reference values for converting metric tablespoons to us cups:
| Metric Tablespoon [tbsp] | US Cup [cup] |
|---|---|
| 0.01 | 0.0006340129 |
| 0.1 | 0.0063401293 |
| 1 | 0.0634012926 |
| 2 | 0.1268025851 |
| 3 | 0.1902038777 |
| 4 | 0.2536051703 |
| 5 | 0.3170064628 |
| 10 | 0.6340129257 |
| 20 | 1.2680258513 |
| 30 | 1.902038777 |
| 40 | 2.5360517026 |
| 50 | 3.1700646283 |
| 100 | 6.3401292566 |
| 500 | 31.700646283 |
| 1000 | 63.401292566 |
Frequently asked questions
How many us cups is 1 metric tablespoon?
How do I convert metric tablespoons to us cups?
How do I convert us cups back to metric tablespoons?
How many us cups is 100 metric tablespoons?
Popular volume unit conversions
Convert Metric Tablespoon to other volume units
Show all Metric Tablespoon conversions
Metric / SI (8 units)
US Customary (Liquid) (8 units)
Imperial (UK) (4 units)
Cubic (length-derived) (3 units)
Cooking / Culinary (2 units)
Sources & references
Conversion factor (1 tbsp = 0.0634012926 cup) verified against the following authoritative sources:
- BIPM — The International System of Units (SI Brochure 9th ed.)
Official BIPM publication defining the seven SI base units (including the meter) and the rules for their use. The global authority on units of measurement.
- NIST — Guide to the SI
US National Institute of Standards and Technology reference covering the SI base and derived units with definitions and usage rules for US technical practice.
- NIST Special Publication 811 — Guide for the Use of the International System of Units
Detailed NIST guide covering exact conversion factors between SI and US customary units along with formatting and rounding conventions.
- NIST — Refinement of values for the yard and pound (Federal Register 1959)
The treaty (signed by US
- International Astronomical Union — System of Astronomical Constants
The IAU defines astronomical units including the AU (149597870700 m exactly) light-year and parsec used in astronomy and astrophysics.