Convert Femtoliter to Attolitre (fL to Attolitre)

Femtoliter (fL) and Attolitre (Attolitre) are both units of volume. With the conversion form below, you can effortlessly and accurately convert femtoliter to attolitre. This free online calculator tool makes it simple and easy to perform the conversion from fL unit to the Attolitre unit.

Volume is the measurement of the three-dimensional space occupied by a substance, object, or container. The SI derived unit of volume is the cubic meter (m³), while the liter (L)—defined as exactly 1 cubic decimeter (1 dm³ = 0.001 m³)—is the most widely used metric unit for measuring liquids. The milliliter (mL) is equal to exactly 1 cubic centimeter (1 cm³) and is commonly used for beverages, medicines, laboratory samples, and food products.

Different countries and industries use different volume units depending on local standards and applications. In addition to metric units such as the liter, milliliter, and cubic meter, the US and Imperial systems use units including the fluid ounce (fl oz), cup, pint, quart, and gallon. Since the US gallon (3.785411784 L) and the Imperial gallon (4.54609 L) are different units, accurate conversion is essential for cooking, engineering, manufacturing, scientific research, trade, and international product labeling. Learn more in our complete guide to Volume.

About Femtoliter

The femtoliter (fL) is a metric unit of volume equal to one quadrillionth of a liter. It is commonly used in medical diagnostics, hematology, and cellular biology to measure the volume of blood cells and microscopic biological structures. Because femtoliter measurements occur at a very small scale, they are mainly used in specialized scientific and clinical environments where high precision is required.

Attoliter (symbol: aL) is a metric unit of volume equal to one quintillionth (10^-18) of a liter. One attoliter is exactly equal to 1 × 10^-21 cubic meter, 0.001 femtoliter, or 1,000 zeptoliters. The attoliter is used to express extremely small liquid volumes encountered in nanotechnology, molecular biology, analytical chemistry, and microfluidics, where measurements often involve individual cells, nanoparticles, and microscopic droplets. Its relationship to femtoliters and zeptoliters makes it useful for scientific calculations and precise volume conversions at the atomic and molecular scale.