square inch | 1 sq in | 2 sq in | 3 sq in | 4 sq in | 5 sq in | 6 sq in | 7 sq in | 8 sq in | 9 sq in | 10 sq in | 11 sq in | 12 sq in | 13 sq in | 14 sq in | 15 sq in | 16 sq in | 17 sq in | 18 sq in | 19 sq in | 20 sq in | 21 sq in | 22 sq in | 23 sq in | 24 sq in | 25 sq in | 26 sq in | 27 sq in | 28 sq in | 29 sq in | 30 sq in | 31 sq in | 32 sq in | 33 sq in | 34 sq in | 35 sq in | 36 sq in | 37 sq in | 38 sq in | 39 sq in | 40 sq in | 41 sq in | 42 sq in | 43 sq in | 44 sq in | 45 sq in | 46 sq in | 47 sq in | 48 sq in | 49 sq in | 50 sq in | 51 sq in | 52 sq in | 53 sq in | 54 sq in | 55 sq in | 56 sq in | 57 sq in | 58 sq in | 59 sq in | 60 sq in | 61 sq in | 62 sq in | 63 sq in | 64 sq in | 65 sq in | 66 sq in | 67 sq in | 68 sq in | 69 sq in | 70 sq in | 71 sq in | 72 sq in | 73 sq in | 74 sq in | 75 sq in | 76 sq in | 77 sq in | 78 sq in | 79 sq in | 80 sq in | 81 sq in | 82 sq in | 83 sq in | 84 sq in | 85 sq in | 86 sq in | 87 sq in | 88 sq in | 89 sq in | 90 sq in | 91 sq in | 92 sq in | 93 sq in | 94 sq in | 95 sq in | 96 sq in | 97 sq in | 98 sq in | 99 sq in | 100 sq in |
centiare | 0.0006452 ca | 0.0012903 ca | 0.0019355 ca | 0.0025806 ca | 0.0032258 ca | 0.0038710 ca | 0.0045161 ca | 0.0051613 ca | 0.0058064 ca | 0.0064516 ca | 0.0070968 ca | 0.0077419 ca | 0.0083871 ca | 0.0090322 ca | 0.0096774 ca | 0.0103226 ca | 0.0109677 ca | 0.0116129 ca | 0.0122580 ca | 0.0129032 ca | 0.0135484 ca | 0.0141935 ca | 0.0148387 ca | 0.0154838 ca | 0.016129 ca | 0.0167742 ca | 0.0174193 ca | 0.0180645 ca | 0.0187096 ca | 0.0193548 ca | 0.0200000 ca | 0.0206451 ca | 0.0212903 ca | 0.0219354 ca | 0.0225806 ca | 0.0232258 ca | 0.0238709 ca | 0.0245161 ca | 0.0251612 ca | 0.0258064 ca | 0.0264516 ca | 0.0270967 ca | 0.0277419 ca | 0.0283870 ca | 0.0290322 ca | 0.0296774 ca | 0.0303225 ca | 0.0309677 ca | 0.0316128 ca | 0.032258 ca | 0.0329032 ca | 0.0335483 ca | 0.0341935 ca | 0.0348386 ca | 0.0354838 ca | 0.0361290 ca | 0.0367741 ca | 0.0374193 ca | 0.0380644 ca | 0.0387096 ca | 0.0393548 ca | 0.0399999 ca | 0.0406451 ca | 0.0412902 ca | 0.0419354 ca | 0.0425806 ca | 0.0432257 ca | 0.0438709 ca | 0.0445160 ca | 0.0451612 ca | 0.0458064 ca | 0.0464515 ca | 0.0470967 ca | 0.0477418 ca | 0.048387 ca | 0.0490322 ca | 0.0496773 ca | 0.0503225 ca | 0.0509676 ca | 0.0516128 ca | 0.0522580 ca | 0.0529031 ca | 0.0535483 ca | 0.0541934 ca | 0.0548386 ca | 0.0554838 ca | 0.0561289 ca | 0.0567741 ca | 0.0574192 ca | 0.0580644 ca | 0.0587096 ca | 0.0593547 ca | 0.0599999 ca | 0.0606450 ca | 0.0612902 ca | 0.0619354 ca | 0.0625805 ca | 0.0632257 ca | 0.0638708 ca | 0.064516 ca |
A square inch (plural: square inches) is a unit of area, equal to the area of a square with sides of one inch.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
square inch | sq in | ≡ 1 in × 1 in | ≡ 6.4516×10−4 m2 | Imperial/US |
square inches | centiares | square inches | centiares |
---|---|---|---|
1 | = 0.00064516 | 6 | = 0.00387096 |
2 | = 0.00129032 | 7 | = 0.00451612 |
3 | = 0.00193548 | 8 | = 0.00516128 |
4 | = 0.00258064 | 9 | = 0.00580644 |
5 | = 0.0032258 | 10 | = 0.0064516 |
The centiare is one square metre.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
centiare | ca | = 1 m2 | = 1 m2 | Metric system SI |
centiares | square inches | centiares | square inches |
---|---|---|---|
1 | = 1550.0031000062 | 6 | = 9300.0186000372 |
2 | = 3100.0062000124 | 7 | = 10850.021700043 |
3 | = 4650.0093000186 | 8 | = 12400.02480005 |
4 | = 6200.0124000248 | 9 | = 13950.027900056 |
5 | = 7750.015500031 | 10 | = 15500.031000062 |
square inches | centiares |
---|---|
1 | = 0.0006452 |
1,550.0031000 | = 1 |
Symbol | Definition |
---|---|
≡ | exactly equal |
≈ | approximately equal to |
= | equal to |
digits | indicates that digits repeat infinitely (e.g. 8.294 369 corresponds to 8.294 369 369 369 369 …) |