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. |
picometer | 228 600 000 000 pm | 457 200 000 000 pm | 685 800 000 000 pm | 914 400 000 000 pm | 1 143 000 000 000 pm | 1 371 600 000 000 pm | 1 600 200 000 000 pm | 1 828 800 000 000 pm | 2 057 400 000 000 pm | 2 286 000 000 000 pm | 2 514 600 000 000 pm | 2 743 200 000 000 pm | 2 971 800 000 000 pm | 3 200 400 000 000 pm | 3 429 000 000 000 pm | 3 657 600 000 000 pm | 3 886 200 000 000 pm | 4 114 800 000 000 pm | 4 343 400 000 000 pm | 4 572 000 000 000 pm | 4 800 600 000 000 pm | 5 029 200 000 000 pm | 5 257 800 000 000 pm | 5 486 400 000 000 pm | 5 715 000 000 000 pm | 5 943 600 000 000 pm | 6 172 200 000 000 pm | 6 400 800 000 000 pm | 6 629 400 000 000 pm | 6 858 000 000 000 pm | 7 086 600 000 000 pm | 7 315 200 000 000 pm | 7 543 800 000 000 pm | 7 772 400 000 000 pm | 8 001 000 000 000 pm | 8 229 600 000 000 pm | 8 458 200 000 000 pm | 8 686 800 000 000 pm | 8 915 400 000 000 pm | 9 144 000 000 000 pm | 9 372 600 000 000 pm | 9 601 200 000 000 pm | 9 829 800 000 000 pm | 10 058 400 000 000 pm | 10 287 000 000 000 pm | 10 515 600 000 000 pm | 10 744 200 000 000 pm | 10 972 800 000 000 pm | 11 201 400 000 000 pm | 11 430 000 000 000 pm | 11 658 600 000 000 pm | 11 887 200 000 000 pm | 12 115 800 000 000 pm | 12 344 400 000 000 pm | 12 573 000 000 000 pm | 12 801 600 000 000 pm | 13 030 200 000 000 pm | 13 258 800 000 000 pm | 13 487 400 000 000 pm | 13 716 000 000 000 pm | 13 944 600 000 000 pm | 14 173 200 000 000 pm | 14 401 800 000 000 pm | 14 630 400 000 000 pm | 14 859 000 000 000 pm | 15 087 600 000 000 pm | 15 316 200 000 000 pm | 15 544 800 000 000 pm | 15 773 400 000 000 pm | 16 002 000 000 000 pm | 16 230 600 000 000 pm | 16 459 200 000 000 pm | 16 687 800 000 000 pm | 16 916 400 000 000 pm | 17 145 000 000 000 pm | 17 373 600 000 000 pm | 17 602 200 000 000 pm | 17 830 800 000 000 pm | 18 059 400 000 000 pm | 18 288 000 000 000 pm | 18 516 600 000 000 pm | 18 745 200 000 000 pm | 18 973 800 000 000 pm | 19 202 400 000 000 pm | 19 431 000 000 000 pm | 19 659 600 000 000 pm | 19 888 200 000 000 pm | 20 116 800 000 000 pm | 20 345 400 000 000 pm | 20 574 000 000 000 pm | 20 802 600 000 000 pm | 21 031 200 000 000 pm | 21 259 800 000 000 pm | 21 488 400 000 000 pm | 21 717 000 000 000 pm | 21 945 600 000 000 pm | 22 174 200 000 000 pm | 22 402 800 000 000 pm | 22 631 400 000 000 pm | 22 860 000 000 000 pm |
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 | picometers | quarters | picometers |
---|---|---|---|
1 | = 228600000000 | 4 | = 914400000000 |
1.5 | = 342900000000 | 4.5 | = 1028700000000 |
2 | = 457200000000 | 5 | = 1143000000000 |
2.5 | = 571500000000 | 5.5 | = 1257300000000 |
3 | = 685800000000 | 6 | = 1371600000000 |
The picometre (International spelling as used by the International Bureau of Weights and Measures; SI symbol: pm) or picometer (American spelling) is a unit of length in the metric system, equal to 1×10−12 m, or one trillionth ( 1 / 1000000000000 ) of a metre, which is the SI base unit of length.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
picometer | pm | ≡ 1×10-12 m | ≡ 1×10-12 m | Metric system SI |
picometers | quarters | picometers | quarters |
---|---|---|---|
1 | = 4.3744531933508E-12 | 4 | = 1.7497812773403E-11 |
1.5 | = 6.5616797900262E-12 | 4.5 | = 1.9685039370079E-11 |
2 | = 8.7489063867017E-12 | 5 | = 2.1872265966754E-11 |
2.5 | = 1.0936132983377E-11 | 5.5 | = 2.405949256343E-11 |
3 | = 1.3123359580052E-11 | 6 | = 2.6246719160105E-11 |
quarters | picometers |
---|---|
1 | = 228 600 000 000 |
4.3744531933508 × 10-12 | = 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 …) |