18 Centimetres to Millimetres
Answer
18 cm = 180 mm
millimetres = centimetres × 10
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18 centimetres = 180 millimetres · open this conversion
How the answer is worked out
One centimetre is 10 millimetres, so converting is a single multiplication:
18 cm × 10 = 180 mm
Conversion table around 18 cm
| Centimetres | Millimetres |
|---|---|
| 1 cm | 10 mm |
| 2 cm | 20 mm |
| 3 cm | 30 mm |
| 4 cm | 40 mm |
| 5 cm | 50 mm |
| 6 cm | 60 mm |
| 8 cm | 80 mm |
| 10 cm | 100 mm |
| 12 cm | 120 mm |
| 15 cm | 150 mm |
| 18 cm | 180 mm |
| 20 cm | 200 mm |
| 24 cm | 240 mm |
| 30 cm | 300 mm |
| 36 cm | 360 mm |
| 40 cm | 400 mm |
| 50 cm | 500 mm |
| 60 cm | 600 mm |
| 72 cm | 720 mm |
| 100 cm | 1,000 mm |
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Nearby conversions
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⇄ 18 Millimetres to Centimetres18 Centimetres to Metres18 Centimetres to Kilometres18 Centimetres to Inches18 Centimetres to Feet18 Centimetres to Yards18 Centimetres to Miles
Frequently asked questions
▸How many millimetres is 18 centimetres?
18 centimetres is 180 millimetres. The conversion multiplies by 10, so 18 × 10 = 180.
▸What is the formula to convert centimetres to millimetres?
millimetres = centimetres × 10. One centimetre is 10 millimetres.
▸How do I convert 18 millimetres back to centimetres?
Use the reverse conversion: 18 millimetres is 1.8 centimetres.
▸Is this conversion exact?
The underlying factor is exact as defined by the SI and the 1959 international agreements. The figure shown is rounded to seven significant digits for readability.
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