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Attomoles to Moles Converter
↔ Convert mol to amol instead

Common Conversions

amol mol
1 1e-18
10 1e-17
100 1e-16
1000 1e-15
1000000 1e-12
1000000000 1e-9
1000000000000 0.000001
1000000000000000 0.001
1000000000000000000 1
10000000000000000000 10
100000000000000000000 100
1e+21 1000

Why this conversion matters in chemistry

An attomole is 10⁻¹⁸ mol — about 600,000 molecules, which sounds tiny until you remember that single-molecule fluorescence techniques can pick out individual events. Ultrasensitive immunoassays now report analytes at single-digit attomoles per milliliter, equivalent to femtomolar concentrations. The conversion to moles is mostly bookkeeping: multiplying by 10⁻¹⁸ moves the number into the unit textbooks and bulk calculations expect, even when the answer ends up looking like a footnote of zeros. Where it matters is in cross-platform validation, where an older immunoassay quotes its limit of detection in pmol and a newer single-molecule method reports in amol — the conversion is what lets the two land in the same column.

Formula

mol = amol × 10⁻¹⁸

Worked Examples

1×10¹⁸ amol = 1 mol

The conversion anchor — one mole equals 10¹⁸ attomoles, the full eighteen orders of magnitude.

1 amol = 1×10⁻¹⁸ mol

A single attomole — about 6 × 10⁵ molecules, well within the range of single-molecule counting techniques.

1000 amol = 1×10⁻¹⁵ mol

One femtomole, the bridge to the next prefix up — roughly the lower quantitation limit of routine LC-MS/MS.

100 amol = 1×10⁻¹⁶ mol

About 6 × 10⁷ molecules — a useful reference point at the boundary between trace-analyte and single-molecule regimes.

Frequently Asked Questions

How do I convert amol to mol?
Multiply by 10⁻¹⁸. So 1000 amol becomes 10⁻¹⁵ mol, which is also 1 fmol — the next prefix up the chain.
What is an attomole?
An attomole is 10⁻¹⁸ moles. Multiplied through Avogadro's number, that's about 6 × 10⁵ molecules — roughly six hundred thousand, not six hundred. Even the smallest practical analytical quantities still contain a lot of individual molecules.
Can detection methods really reach the attomole scale?
Yes. Single-molecule fluorescence techniques, nanofluidic preconcentration, and bead-based digital immunoassays operate routinely at single-digit attomoles. Some specialized methods reach into zeptomole (10⁻²¹ mol) territory, where you're counting hundreds of molecules at most.