4 cm in inches
4 cm is 1.575 inches. That is also 0.1312 feet, or 40 mm.
Factors from their legal definitions.
Show the workings
| Step | Sum | Answer |
|---|---|---|
| One centimetre in metres | a hundredth of a metre | 0.01 m |
| One inch in metres | 0.9144 m ÷ 36 | 0.025 m |
| 4 centimetres in metres | 4 × 0.01 | 0.04 m |
| In inches | 0.04 ÷ 0.0254 | 1.575 in |
Where the figures come from
- A yard in metres: 0.914 m per yard. Source: Weights and Measures Act 1985, Schedule 1. Checked 13 November 2026.
- Inches in a yard: 36 inches per yard. Source: Weights and Measures Act 1985, Schedule 1. Checked 13 November 2026.