1 Square centimetres to Square inches
Answer
1 cm² = 0.1550003 in²
square inches = square centimetres × 0.15500031
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1 square centimetre = 0.1550003 square inches · open this conversion
How the answer is worked out
One square centimetre is 0.15500031 square inches, so converting is a single multiplication:
1 cm² × 0.15500031 = 0.1550003 in²
Conversion table around 1 cm²
| Square centimetres | Square inches |
|---|---|
| 1 cm² | 0.1550003 in² |
| 2 cm² | 0.3100006 in² |
| 3 cm² | 0.4650009 in² |
| 5 cm² | 0.7750016 in² |
| 8 cm² | 1.240002 in² |
| 10 cm² | 1.550003 in² |
| 12 cm² | 1.860004 in² |
| 15 cm² | 2.325005 in² |
| 20 cm² | 3.100006 in² |
| 25 cm² | 3.875008 in² |
| 30 cm² | 4.650009 in² |
| 40 cm² | 6.200012 in² |
| 50 cm² | 7.750016 in² |
| 60 cm² | 9.300019 in² |
| 75 cm² | 11.62502 in² |
| 100 cm² | 15.50003 in² |
| 150 cm² | 23.25005 in² |
| 200 cm² | 31.00006 in² |
| 500 cm² | 77.50016 in² |
| 1,000 cm² | 155.0003 in² |
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Frequently asked questions
▸How many square inches is 1 square centimetres?
1 square centimetres is 0.1550003 square inches. The conversion multiplies by 0.15500031, so 1 × 0.15500031 = 0.1550003.
▸What is the formula to convert square centimetres to square inches?
square inches = square centimetres × 0.15500031. One square centimetre is 0.15500031 square inches.
▸How do I convert 1 square inches back to square centimetres?
Use the reverse conversion: 1 square inches is 6.4516 square 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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