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Grams per cm³ to Grams per mL Density Converter

↔ Convert g/mL to g/cm³ instead

Common Conversions

g/cm³ g/mL
0.1 0.1
0.5 0.5
1 1
2 2
5 5
10 10
25 25
50 50
100 100
1000 1000

Why this conversion matters in chemistry

Reagent-bottle labels print densities in g/cm³ — concentrated H₂SO₄ at 1.84, 37% HCl at 1.19, 70% HNO₃ at 1.42 — but the step from pipetted volume to delivered mass in a titrant prep calculation runs in g/mL. The numbers are the same, since 1 cm³ ≡ 1 mL by the modern liter definition. The conversion is a type cast, not arithmetic. The identity matters at the moment when a printed g/cm³ density slots directly into the g/mL math behind a 0.1 M HCl preparation from concentrated stock — no factor, no rounding, just the same number wearing a different label.

Formula

g/mL = g/cm³ × 1 (numerically identical)

Worked Examples

1 g/cm³ = 1 g/mL

Water at 4 °C — the density anchor that pins the original kilogram definition.

1.84 g/cm³ = 1.84 g/mL

Concentrated H₂SO₄ — the density off the reagent-bottle label, ready for a g/mL volume calculation.

0.879 g/cm³ = 0.879 g/mL

Toluene at 20 °C — a typical organic-solvent density for separatory-funnel layer assignment.

Frequently Asked Questions

Are g/cm³ and g/mL the same number?
Yes — exactly. 1 cm³ = 1 mL by definition of the liter, so a density value transfers across the two units with no arithmetic. The choice between them is purely stylistic.
Which unit should a chemistry report use?
Chemistry conventionally writes solution and liquid densities in g/mL. Physics and materials work prefer g/cm³, especially for solids. Follow the publication style guide; both are equally correct.
Why does density matter in liquid-liquid extraction?
In a separatory funnel, the denser phase settles to the bottom. Knowing whether the organic solvent is denser (dichloromethane at 1.33 g/mL) or lighter (diethyl ether at 0.71 g/mL) than water determines which layer to drain off and which to retain.