A metric tablespoon is 15 milliliters.
Metric tablespoons to Attoliters Converter — metric tbsp to aL
Convert Metric tablespoon (metric tbsp) to Attoliter (aL) using the exact conversion factor (1 metric tablespoon = 1.5e+16 attoliter). See the formula, worked examples, and conversion table.
Metric tablespoons to Attoliters converter
Converter
Volume Converter
Convert metric, US customary, imperial, cooking, dry, and industrial volume units.
Context values
Some unit families need one extra value for a physically accurate result.
Attoliter is 1e-18 liter units.
Result = input x 1.5e-5 / 1e-21.
Volume uses the cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Metric tablespoons to Attoliters
Metric tablespoon and Attoliter appear side by side at fuel pumps and on beverage labels, since the US measures liquids in gallons while most of the world uses liters. Specifically: A metric tablespoon is 15 milliliters, and attoliter is 1e-18 liter units.
Formula
attoliters = metric tablespoons × 1.5e+16
This factor comes from each unit's defined relationship to the category's base unit: 1 metric tablespoon equals 0.000015 base units, and 1 attoliter equals 1e-21 base units, so dividing one by the other gives the direct metric tablespoon-to-attoliter factor of 1.5e+16.
Simple example
1 metric tbsp × 1.5e+16 = 1.5e+16 aL
1 metric tablespoon = 1.5e+16 attoliters.
Real-world example
10 metric tbsp × 1.5e+16 = 1.5e+17 aL
10 metric tablespoons = 1.5e+17 attoliters.
Conversion table
| Metric tablespoon (metric tbsp) | Attoliter (aL) |
|---|---|
| 1 metric tbsp | 1.5e+16 aL |
| 5 metric tbsp | 7.5e+16 aL |
| 10 metric tbsp | 1.5e+17 aL |
| 25 metric tbsp | 3.75e+17 aL |
| 50 metric tbsp | 7.5e+17 aL |
| 100 metric tbsp | 1.5e+18 aL |
Reverse conversion: Attoliter to Metric tablespoon
1.5e+16 aL × 6.666667e-17 = 1 metric tbsp
1.5e+16 attoliters = 1 metric tablespoons.
metric tablespoons = attoliters × 6.666667e-17
For a page dedicated to this direction, see Attoliter to Metric tablespoon.
Understanding the Metric tablespoon (metric tbsp)
A metric tablespoon is 15 milliliters.
Understanding the Attoliter (aL)
Attoliter is 1e-18 liter units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many attoliters are in 1 metric tablespoon?
1 metric tablespoon equals 1.5e+16 attoliters, using the exact defined conversion factor rather than an estimate.
How do I convert metric tablespoon to attoliter?
Multiply the metric tablespoon value by 1.5e+16. The converter above does this instantly to whatever precision you set.
How do I convert attoliter back to metric tablespoon?
Use the reverse factor: 1 attoliter equals 6.666667e-17 metric tablespoons. You can also use the swap control in the converter above to flip the direction instantly.
What is a metric tablespoon?
Metric tablespoon (metric tbsp) is a unit of volume.
What is a attoliter?
Attoliter (aL) is a unit of volume.
Is the metric tablespoon to attoliter conversion exact?
Yes. Both metric tablespoon and attoliter are defined by fixed standards rather than physical artifacts, so the factor of 1.5e+16 used above is exact to as many digits as you choose to display.