Convert Gram (g) to Attogram (ag) instantly.

Gram

Attogram

About these units

Gram (g)

The gram is one-thousandth of a kilogram and is widely used in everyday life for measuring food, medicines, small components, and scientific samples. Its scale is convenient for objects too light to measure in kilograms yet too heavy for milligrams. Chemists, biologists, and lab technicians rely heavily on grams to quantify reagents, biological specimens, powders, and liquids. The gram appears frequently in nutrition labels, recipes, and manufacturing specifications. As a metric unit, the gram benefits from simplicity and ease of conversion—just move the decimal to reach milligrams or kilograms. Its intuitive scale makes it one of the most universally recognized units in the world.

Attogram (ag)

An attogram is 10⁻¹⁸ grams, an incredibly small mass used only in advanced scientific settings. At this scale, we are dealing with masses comparable to large molecules, viruses, or clusters of atoms. Modern techniques such as atomic force microscopy, mass spectrometry, and nanoscale resonators allow detection of attogram-level changes. Researchers studying chemical reactions, nanotechnology, and molecular biology may use attograms when describing ultra-fine mass differences. The attogram is an example of scientific progress: a unit unnecessary in the past, but now essential for understanding the smallest measurable interactions in nature.

More Gram converters

Gram [g] ↔ Kilogram [kg]

Gram [g] ↔ Pound [lb]

Gram [g] ↔ Ounce [oz]

Gram [g] ↔ Metric Ton [t]

Gram [g] ↔ Milligram [mg]

Gram [g] ↔ Stone [st]

Gram [g] ↔ US Ton (Short) [ton (US)]

Gram [g] ↔ UK Ton (Long) [ton (UK)]

Gram [g] ↔ Carat [car, ct]

Gram [g] ↔ Attogram [ag]

Gram [g] ↔ Femtogram [fg]

Gram [g] ↔ Picogram [pg]

Gram [g] ↔ Nanogram [ng]

Gram [g] ↔ Microgram [µg]

Gram [g] ↔ Centigram [cg]

Gram [g] ↔ Decigram [dg]

Gram [g] ↔ Dekagram [dag]

Gram [g] ↔ Hectogram [hg]

Gram [g] ↔ Megagram [Mg]

Gram [g] ↔ Gigagram [Gg]

Gram [g] ↔ Teragram [Tg]

Gram [g] ↔ Petagram [Pg]

Gram [g] ↔ Exagram [Eg]

Gram [g] ↔ Atomic Mass Unit [u]

Gram [g] ↔ Dalton [Da]

Gram [g] ↔ Planck Mass [mₕ]

Gram [g] ↔ Electron Mass [mₑ]

Gram [g] ↔ Muon Mass [mᵤ]

Gram [g] ↔ Proton Mass [mₕ (p)]

Gram [g] ↔ Neutron Mass [mₙ]

Gram [g] ↔ Deuteron Mass [m𝒹]

Gram [g] ↔ Kilogram-force Second/Meter [kgf·s²/m]

Gram [g] ↔ Kilopound [kip]

Gram [g] ↔ Slug [slug]

Gram [g] ↔ Poundal [pdl]

Gram [g] ↔ Pound-force Square Second/Foot [lbf·s²/ft]

Gram [g] ↔ Pennyweight [pwt]

Gram [g] ↔ Scruple (Apothecary) [s.ap]

Gram [g] ↔ Grain [gr]

Gram [g] ↔ Pound (Troy) [lb t]

Gram [g] ↔ Ton (Assay) (US) [AT (US)]

Gram [g] ↔ Ton (Assay) (UK) [AT (UK)]

Gram [g] ↔ Kiloton (Metric) [kt]

Gram [g] ↔ Quintal (Metric) [cwt (m)]

Gram [g] ↔ Hundredweight (US) [cwt (US)]

Gram [g] ↔ Hundredweight (UK) [cwt (UK)]

Gram [g] ↔ Quarter (US) [qr (US)]

Gram [g] ↔ Quarter (UK) [qr (UK)]

Gram [g] ↔ Stone (US) [st (US)]

Gram [g] ↔ Talent (Biblical Hebrew) [talent (H)]

Gram [g] ↔ Mina (Biblical Hebrew) [mina]

Gram [g] ↔ Shekel (Biblical Hebrew) [shekel]

Gram [g] ↔ Bekan (Biblical Hebrew) [bekan]

Gram [g] ↔ Gerah (Biblical Hebrew) [gerah]

Gram [g] ↔ Talent (Biblical Greek) [talent (G)]

Gram [g] ↔ Mina (Biblical Greek) [mina (G)]

Gram [g] ↔ Tetradrachma (Biblical Greek) [tetradrachma]

Gram [g] ↔ Didrachma (Biblical Greek) [didrachma]

Gram [g] ↔ Drachma (Biblical Greek) [drachma]

Gram [g] ↔ Denarius (Biblical Roman) [denarius]

Gram [g] ↔ Assarion (Biblical Roman) [assarion]

Gram [g] ↔ Quadrans (Biblical Roman) [quadrans]

Gram [g] ↔ Lepton (Biblical Roman) [lepton]

Gram [g] ↔ Earth's Mass [M⊕]

Gram [g] ↔ Sun's Mass [M☉]

Convert Gram to Attogram