9 inches in cm
9 inches is 22.86 cm. That is also 228.6 mm, or 0.2286 metres.
Factors from their legal definitions.
Show the workings
| Step | Sum | Answer |
|---|---|---|
| One inch in metres | 0.9144 m ÷ 36 | 0.025 m |
| One centimetre in metres | a hundredth of a metre | 0.01 m |
| 9 inches in metres | 9 × 0.0254 | 0.229 m |
| In centimetres | 0.2286 ÷ 0.01 | 22.86 cm |
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.
Nearby values
| Inches | Centimetres |
|---|---|
| 4 inches | 10.16 cm |
| 5 inches | 12.7 cm |
| 6 inches | 15.24 cm |
| 7 inches | 17.78 cm |
| 8 inches | 20.32 cm |
| 9 inches | 22.86 cm |
| 10 inches | 25.4 cm |
| 11 inches | 27.94 cm |
| 12 inches | 30.48 cm |
| 13 inches | 33.02 cm |
| 14 inches | 35.56 cm |
How it works
To convert inches to centimetres, multiply by 2.54. Open "Show the workings" above to see this sum step by step.