millimeter | 1 mm | 2 mm | 3 mm | 4 mm | 5 mm | 6 mm | 7 mm | 8 mm | 9 mm | 10 mm | 11 mm | 12 mm | 13 mm | 14 mm | 15 mm | 16 mm | 17 mm | 18 mm | 19 mm | 20 mm | 21 mm | 22 mm | 23 mm | 24 mm | 25 mm | 26 mm | 27 mm | 28 mm | 29 mm | 30 mm | 31 mm | 32 mm | 33 mm | 34 mm | 35 mm | 36 mm | 37 mm | 38 mm | 39 mm | 40 mm | 41 mm | 42 mm | 43 mm | 44 mm | 45 mm | 46 mm | 47 mm | 48 mm | 49 mm | 50 mm | 51 mm | 52 mm | 53 mm | 54 mm | 55 mm | 56 mm | 57 mm | 58 mm | 59 mm | 60 mm | 61 mm | 62 mm | 63 mm | 64 mm | 65 mm | 66 mm | 67 mm | 68 mm | 69 mm | 70 mm | 71 mm | 72 mm | 73 mm | 74 mm | 75 mm | 76 mm | 77 mm | 78 mm | 79 mm | 80 mm | 81 mm | 82 mm | 83 mm | 84 mm | 85 mm | 86 mm | 87 mm | 88 mm | 89 mm | 90 mm | 91 mm | 92 mm | 93 mm | 94 mm | 95 mm | 96 mm | 97 mm | 98 mm | 99 mm | 100 mm |
quarter | 0.0043745 qr. | 0.0087489 qr. | 0.0131234 qr. | 0.0174978 qr. | 0.0218723 qr. | 0.0262467 qr. | 0.0306212 qr. | 0.0349956 qr. | 0.0393701 qr. | 0.0437445 qr. | 0.0481190 qr. | 0.0524934 qr. | 0.0568679 qr. | 0.0612423 qr. | 0.0656168 qr. | 0.0699913 qr. | 0.0743657 qr. | 0.0787402 qr. | 0.0831146 qr. | 0.0874891 qr. | 0.0918635 qr. | 0.0962380 qr. | 0.1006124 qr. | 0.1049869 qr. | 0.1093613 qr. | 0.1137358 qr. | 0.1181102 qr. | 0.1224847 qr. | 0.1268591 qr. | 0.1312336 qr. | 0.1356080 qr. | 0.1399825 qr. | 0.1443570 qr. | 0.1487314 qr. | 0.1531059 qr. | 0.1574803 qr. | 0.1618548 qr. | 0.1662292 qr. | 0.1706037 qr. | 0.1749781 qr. | 0.1793526 qr. | 0.1837270 qr. | 0.1881015 qr. | 0.1924759 qr. | 0.1968504 qr. | 0.2012248 qr. | 0.2055993 qr. | 0.2099738 qr. | 0.2143482 qr. | 0.2187227 qr. | 0.2230971 qr. | 0.2274716 qr. | 0.2318460 qr. | 0.2362205 qr. | 0.2405949 qr. | 0.2449694 qr. | 0.2493438 qr. | 0.2537183 qr. | 0.2580927 qr. | 0.2624672 qr. | 0.2668416 qr. | 0.2712161 qr. | 0.2755906 qr. | 0.2799650 qr. | 0.2843395 qr. | 0.2887139 qr. | 0.2930884 qr. | 0.2974628 qr. | 0.3018373 qr. | 0.3062117 qr. | 0.3105862 qr. | 0.3149606 qr. | 0.3193351 qr. | 0.3237095 qr. | 0.3280840 qr. | 0.3324584 qr. | 0.3368329 qr. | 0.3412073 qr. | 0.3455818 qr. | 0.3499563 qr. | 0.3543307 qr. | 0.3587052 qr. | 0.3630796 qr. | 0.3674541 qr. | 0.3718285 qr. | 0.3762030 qr. | 0.3805774 qr. | 0.3849519 qr. | 0.3893263 qr. | 0.3937008 qr. | 0.3980752 qr. | 0.4024497 qr. | 0.4068241 qr. | 0.4111986 qr. | 0.4155731 qr. | 0.4199475 qr. | 0.4243220 qr. | 0.4286964 qr. | 0.4330709 qr. | 0.4374453 qr. |
The millimetre (International spelling as used by the International Bureau of Weights and Measures; SI unit symbol mm) or millimeter (American spelling) is a unit of length in the metric system, equal to one thousandth of a metre, which is the SI base unit of length. Therefore there are thousand millimetres in a metre. There are ten millimetres in a centimetre.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
millimeter | mm | ≡ 1×10-3 m ≡ 0.001 m | ≡ 1×10-3 m ≡ 0.001 m | Metric system SI |
millimeters | quarters | millimeters | quarters |
---|---|---|---|
1 | = 0.0043744531933508 | 4 | = 0.017497812773403 |
1.5 | = 0.0065616797900262 | 4.5 | = 0.019685039370079 |
2 | = 0.0087489063867017 | 5 | = 0.021872265966754 |
2.5 | = 0.010936132983377 | 5.5 | = 0.02405949256343 |
3 | = 0.013123359580052 | 6 | = 0.026246719160105 |
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 | millimeters | quarters | millimeters |
---|---|---|---|
1 | = 228.6 | 4 | = 914.4 |
1.5 | = 342.9 | 4.5 | = 1028.7 |
2 | = 457.2 | 5 | = 1143 |
2.5 | = 571.5 | 5.5 | = 1257.3 |
3 | = 685.8 | 6 | = 1371.6 |
millimeters | quarters |
---|---|
1 | = 0.0043745 |
228.6 | = 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 …) |