Worked example

Value: 1
Source unit: in
Target unit: cm
Decimal places: 8
Notation: Decimal

→ 2.54 cm

Method and scope

Convert metric and international customary lengths; the international inch is exactly 0.0254 m.

y = x × f₁ / f₂

Precision and limits

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

Sources