circular inch | 1 circ in | 2 circ in | 3 circ in | 4 circ in | 5 circ in | 6 circ in | 7 circ in | 8 circ in | 9 circ in | 10 circ in | 11 circ in | 12 circ in | 13 circ in | 14 circ in | 15 circ in | 16 circ in | 17 circ in | 18 circ in | 19 circ in | 20 circ in | 21 circ in | 22 circ in | 23 circ in | 24 circ in | 25 circ in | 26 circ in | 27 circ in | 28 circ in | 29 circ in | 30 circ in | 31 circ in | 32 circ in | 33 circ in | 34 circ in | 35 circ in | 36 circ in | 37 circ in | 38 circ in | 39 circ in | 40 circ in | 41 circ in | 42 circ in | 43 circ in | 44 circ in | 45 circ in | 46 circ in | 47 circ in | 48 circ in | 49 circ in | 50 circ in | 51 circ in | 52 circ in | 53 circ in | 54 circ in | 55 circ in | 56 circ in | 57 circ in | 58 circ in | 59 circ in | 60 circ in | 61 circ in | 62 circ in | 63 circ in | 64 circ in | 65 circ in | 66 circ in | 67 circ in | 68 circ in | 69 circ in | 70 circ in | 71 circ in | 72 circ in | 73 circ in | 74 circ in | 75 circ in | 76 circ in | 77 circ in | 78 circ in | 79 circ in | 80 circ in | 81 circ in | 82 circ in | 83 circ in | 84 circ in | 85 circ in | 86 circ in | 87 circ in | 88 circ in | 89 circ in | 90 circ in | 91 circ in | 92 circ in | 93 circ in | 94 circ in | 95 circ in | 96 circ in | 97 circ in | 98 circ in | 99 circ in | 100 circ in |
decare | 5.067075 × 10-7 Da | 1.013415 × 10-6 Da | 1.5201225 × 10-6 Da | 2.02683 × 10-6 Da | 2.5335375 × 10-6 Da | 3.040245 × 10-6 Da | 3.5469525 × 10-6 Da | 4.05366 × 10-6 Da | 4.5603675 × 10-6 Da | 5.067075 × 10-6 Da | 5.5737825 × 10-6 Da | 6.08049 × 10-6 Da | 6.5871975 × 10-6 Da | 7.093905 × 10-6 Da | 7.6006125 × 10-6 Da | 8.10732 × 10-6 Da | 8.6140275 × 10-6 Da | 9.120735 × 10-6 Da | 9.6274425 × 10-6 Da | 1.013415 × 10-5 Da | 1.06408575 × 10-5 Da | 1.1147565 × 10-5 Da | 1.16542725 × 10-5 Da | 1.216098 × 10-5 Da | 1.26676875 × 10-5 Da | 1.3174395 × 10-5 Da | 1.36811025 × 10-5 Da | 1.418781 × 10-5 Da | 1.46945175 × 10-5 Da | 1.5201225 × 10-5 Da | 1.57079325 × 10-5 Da | 1.621464 × 10-5 Da | 1.67213475 × 10-5 Da | 1.7228055 × 10-5 Da | 1.77347625 × 10-5 Da | 1.824147 × 10-5 Da | 1.87481775 × 10-5 Da | 1.9254885 × 10-5 Da | 1.97615925 × 10-5 Da | 2.02683 × 10-5 Da | 2.07750075 × 10-5 Da | 2.1281715 × 10-5 Da | 2.17884225 × 10-5 Da | 2.229513 × 10-5 Da | 2.28018375 × 10-5 Da | 2.3308545 × 10-5 Da | 2.38152525 × 10-5 Da | 2.432196 × 10-5 Da | 2.48286675 × 10-5 Da | 2.5335375 × 10-5 Da | 2.58420825 × 10-5 Da | 2.634879 × 10-5 Da | 2.68554975 × 10-5 Da | 2.7362205 × 10-5 Da | 2.78689125 × 10-5 Da | 2.837562 × 10-5 Da | 2.88823275 × 10-5 Da | 2.9389035 × 10-5 Da | 2.98957425 × 10-5 Da | 3.040245 × 10-5 Da | 3.09091575 × 10-5 Da | 3.1415865 × 10-5 Da | 3.19225725 × 10-5 Da | 3.242928 × 10-5 Da | 3.29359875 × 10-5 Da | 3.3442695 × 10-5 Da | 3.39494025 × 10-5 Da | 3.445611 × 10-5 Da | 3.49628175 × 10-5 Da | 3.5469525 × 10-5 Da | 3.59762325 × 10-5 Da | 3.648294 × 10-5 Da | 3.69896475 × 10-5 Da | 3.7496355 × 10-5 Da | 3.80030625 × 10-5 Da | 3.850977 × 10-5 Da | 3.90164775 × 10-5 Da | 3.9523185 × 10-5 Da | 4.00298925 × 10-5 Da | 4.05366 × 10-5 Da | 4.10433075 × 10-5 Da | 4.1550015 × 10-5 Da | 4.20567225 × 10-5 Da | 4.256343 × 10-5 Da | 4.30701375 × 10-5 Da | 4.3576845 × 10-5 Da | 4.40835525 × 10-5 Da | 4.459026 × 10-5 Da | 4.50969675 × 10-5 Da | 4.5603675 × 10-5 Da | 4.61103825 × 10-5 Da | 4.661709 × 10-5 Da | 4.71237975 × 10-5 Da | 4.7630505 × 10-5 Da | 4.81372125 × 10-5 Da | 4.864392 × 10-5 Da | 4.91506275 × 10-5 Da | 4.9657335 × 10-5 Da | 5.01640425 × 10-5 Da | 5.067075 × 10-5 Da |
circular inch is a unit of area. it uses in Imperial/US system. it exactly equal π⁄4 sq in and approximately ≈ 5.067075 × 10−4 m2
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
circular inch | circ in | ≡ π⁄4 sq in | ≈ 5.067075×10−4 m2 | Imperial/US |
circular inches | decares | circular inches | decares |
---|---|---|---|
1 | = 5.067075E-7 | 6 | = 3.040245E-6 |
2 | = 1.013415E-6 | 7 | = 3.5469525E-6 |
3 | = 1.5201225E-6 | 8 | = 4.05366E-6 |
4 | = 2.02683E-6 | 9 | = 4.5603675E-6 |
5 | = 2.5335375E-6 | 10 | = 5.067075E-6 |
The decare (/ˈdɛkɑːr/ or /ˈdɛkɛər/) is derived from deca and are, and is equal to 10 ares or 1000 square metres. It is used in Norway and in the former Ottoman areas of the Middle East and the Balkans (Bulgaria) as a measure of land area. Instead of the name "decare", the names of traditional land measures are usually used, redefined as one decare:
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
decare | Da | ≡ 1000 m2 | ≡ 1000 m2 | Metric system SI |
decares | circular inches | decares | circular inches |
---|---|---|---|
1 | = 1973525.1599789 | 6 | = 11841150.959873 |
2 | = 3947050.3199578 | 7 | = 13814676.119852 |
3 | = 5920575.4799367 | 8 | = 15788201.279831 |
4 | = 7894100.6399155 | 9 | = 17761726.43981 |
5 | = 9867625.7998944 | 10 | = 19735251.599789 |
circular inches | decares |
---|---|
1 | = 5.067075 × 10-7 |
1,973,525.1599789 | = 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 …) |