Worked example

Value: 1
Source unit: lb
Target unit: kg
Decimal places: 8
Notation: Decimal

→ 0.45359237 kg

Method and scope

The ounce here is mass, not fluid volume. Metric tonne, US short ton and Imperial long ton have different definitions.

y = x × f₁ / f₂

Precision and limits

≈ marks an approximation. Display rounding does not change the internal calculation.

Sources