quarter | 1 qr. | 2 qr. | 3 qr. | 4 qr. | 5 qr. | 6 qr. | 7 qr. | 8 qr. | 9 qr. | 10 qr. | 11 qr. | 12 qr. | 13 qr. | 14 qr. | 15 qr. | 16 qr. | 17 qr. | 18 qr. | 19 qr. | 20 qr. | 21 qr. | 22 qr. | 23 qr. | 24 qr. | 25 qr. | 26 qr. | 27 qr. | 28 qr. | 29 qr. | 30 qr. | 31 qr. | 32 qr. | 33 qr. | 34 qr. | 35 qr. | 36 qr. | 37 qr. | 38 qr. | 39 qr. | 40 qr. | 41 qr. | 42 qr. | 43 qr. | 44 qr. | 45 qr. | 46 qr. | 47 qr. | 48 qr. | 49 qr. | 50 qr. | 51 qr. | 52 qr. | 53 qr. | 54 qr. | 55 qr. | 56 qr. | 57 qr. | 58 qr. | 59 qr. | 60 qr. | 61 qr. | 62 qr. | 63 qr. | 64 qr. | 65 qr. | 66 qr. | 67 qr. | 68 qr. | 69 qr. | 70 qr. | 71 qr. | 72 qr. | 73 qr. | 74 qr. | 75 qr. | 76 qr. | 77 qr. | 78 qr. | 79 qr. | 80 qr. | 81 qr. | 82 qr. | 83 qr. | 84 qr. | 85 qr. | 86 qr. | 87 qr. | 88 qr. | 89 qr. | 90 qr. | 91 qr. | 92 qr. | 93 qr. | 94 qr. | 95 qr. | 96 qr. | 97 qr. | 98 qr. | 99 qr. | 100 qr. |
attometer | 2.286 × 1017 am | 4.572 × 1017 am | 6.858 × 1017 am | 9.144 × 1017 am | 1.143 × 1018 am | 1.3716 × 1018 am | 1.6002 × 1018 am | 1.8288 × 1018 am | 2.0574 × 1018 am | 2.286 × 1018 am | 2.5146 × 1018 am | 2.7432 × 1018 am | 2.9718 × 1018 am | 3.2004 × 1018 am | 3.429 × 1018 am | 3.6576 × 1018 am | 3.8862 × 1018 am | 4.1148 × 1018 am | 4.3434 × 1018 am | 4.572 × 1018 am | 4.8006 × 1018 am | 5.0292 × 1018 am | 5.2578 × 1018 am | 5.4864 × 1018 am | 5.715 × 1018 am | 5.9436 × 1018 am | 6.1722 × 1018 am | 6.4008 × 1018 am | 6.6294 × 1018 am | 6.858 × 1018 am | 7.0866 × 1018 am | 7.3152 × 1018 am | 7.5438 × 1018 am | 7.7724 × 1018 am | 8.001 × 1018 am | 8.2296 × 1018 am | 8.4582 × 1018 am | 8.6868 × 1018 am | 8.9154 × 1018 am | 9.144 × 1018 am | 9.3726 × 1018 am | 9.6012 × 1018 am | 9.8298 × 1018 am | 1.00584 × 1019 am | 1.0287 × 1019 am | 1.05156 × 1019 am | 1.07442 × 1019 am | 1.09728 × 1019 am | 1.12014 × 1019 am | 1.143 × 1019 am | 1.16586 × 1019 am | 1.18872 × 1019 am | 1.21158 × 1019 am | 1.23444 × 1019 am | 1.2573 × 1019 am | 1.28016 × 1019 am | 1.30302 × 1019 am | 1.32588 × 1019 am | 1.34874 × 1019 am | 1.3716 × 1019 am | 1.39446 × 1019 am | 1.41732 × 1019 am | 1.44018 × 1019 am | 1.46304 × 1019 am | 1.4859 × 1019 am | 1.50876 × 1019 am | 1.53162 × 1019 am | 1.55448 × 1019 am | 1.57734 × 1019 am | 1.6002 × 1019 am | 1.62306 × 1019 am | 1.64592 × 1019 am | 1.66878 × 1019 am | 1.69164 × 1019 am | 1.7145 × 1019 am | 1.73736 × 1019 am | 1.76022 × 1019 am | 1.78308 × 1019 am | 1.80594 × 1019 am | 1.8288 × 1019 am | 1.85166 × 1019 am | 1.87452 × 1019 am | 1.89738 × 1019 am | 1.92024 × 1019 am | 1.9431 × 1019 am | 1.96596 × 1019 am | 1.98882 × 1019 am | 2.01168 × 1019 am | 2.03454 × 1019 am | 2.0574 × 1019 am | 2.08026 × 1019 am | 2.10312 × 1019 am | 2.12598 × 1019 am | 2.14884 × 1019 am | 2.1717 × 1019 am | 2.19456 × 1019 am | 2.21742 × 1019 am | 2.24028 × 1019 am | 2.26314 × 1019 am | 2.286 × 1019 am |
The quarter (lit. "one-fourth") is used as the name of several distinct English units based on ¼ sizes of some base unit.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
quarter | qr. | ≡ 1⁄4 yd | = 0.2286 m | Metric system SI |
quarters | attometers | quarters | attometers |
---|---|---|---|
1 | = 2.286E+17 | 4 | = 9.144E+17 |
1.5 | = 3.429E+17 | 4.5 | = 1.0287E+18 |
2 | = 4.572E+17 | 5 | = 1.143E+18 |
2.5 | = 5.715E+17 | 5.5 | = 1.2573E+18 |
3 | = 6.858E+17 | 6 | = 1.3716E+18 |
An attometer is a unit of length, a combination of the metric prefix atto (symbol a) and the SI unit of length meter (symbol m), equal to 10−18 meter or 1.0E-18 meter and its symbol is am. Plural name is attometers.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
attometer | am | ≡ 1×10-18 m | ≡ 1×10-18 m | Metric system SI |
attometers | quarters | attometers | quarters |
---|---|---|---|
1 | = 4.3744531933508E-18 | 4 | = 1.7497812773403E-17 |
1.5 | = 6.5616797900262E-18 | 4.5 | = 1.9685039370079E-17 |
2 | = 8.7489063867017E-18 | 5 | = 2.1872265966754E-17 |
2.5 | = 1.0936132983377E-17 | 5.5 | = 2.405949256343E-17 |
3 | = 1.3123359580052E-17 | 6 | = 2.6246719160105E-17 |
quarters | attometers |
---|---|
1 | = 2.286 × 1017 |
4.3744531933508 × 10-18 | = 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 …) |