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The x unit (symbol xu) is a unit of length approximately equal to 0.1 pm (10−13 m). It is used to quote the wavelength of X-rays and gamma rays.
A span is the distance measured by a human hand, from the tip of the thumb to the tip of the little finger. In ancient times, a span was considered to be half a cubit. Someti ..more definition+
In relation to the base unit of [length] => (meters), 1 X Unit (xu) is equal to 1.002004E-13 meters, while 1 Spans (span) = 0.2286 meters.| 1 X Unit | to common length units |
|---|---|
| 1 xu | = 1.002004E-13 meters (m) |
| 1 xu | = 1.002004E-16 kilometers (km) |
| 1 xu | = 1.002004E-11 centimeters (cm) |
| 1 xu | = 3.2874146981627E-13 feet (ft) |
| 1 xu | = 3.9448976377953E-12 inches (in) |
| 1 xu | = 1.0958048993876E-13 yards (yd) |
| 1 xu | = 6.2261642010658E-17 miles (mi) |
| 1 xu | = 1.0590888912377E-29 light years (ly) |
| 1 xu | = 3.7871022093987E-10 pixels (PX) |
| 1 xu | = 6.262525E+21 planck length (pl) |
| X Unit | to Spans (table conversion) |
|---|---|
| 1 xu | = 4.3832195975503E-13 span |
| 2 xu | = 8.7664391951006E-13 span |
| 3 xu | = 1.3149658792651E-12 span |
| 4 xu | = 1.7532878390201E-12 span |
| 5 xu | = 2.1916097987752E-12 span |
| 6 xu | = 2.6299317585302E-12 span |
| 7 xu | = 3.0682537182852E-12 span |
| 8 xu | = 3.5065756780402E-12 span |
| 9 xu | = 3.9448976377953E-12 span |
| 10 xu | = 4.3832195975503E-12 span |
| 20 xu | = 8.7664391951006E-12 span |
| 30 xu | = 1.3149658792651E-11 span |
| 40 xu | = 1.7532878390201E-11 span |
| 50 xu | = 2.1916097987752E-11 span |
| 60 xu | = 2.6299317585302E-11 span |
| 70 xu | = 3.0682537182852E-11 span |
| 80 xu | = 3.5065756780402E-11 span |
| 90 xu | = 3.9448976377953E-11 span |
| 100 xu | = 4.3832195975503E-11 span |
| 200 xu | = 8.7664391951006E-11 span |
| 300 xu | = 1.3149658792651E-10 span |
| 400 xu | = 1.7532878390201E-10 span |
| 500 xu | = 2.1916097987752E-10 span |
| 600 xu | = 2.6299317585302E-10 span |
| 700 xu | = 3.0682537182852E-10 span |
| 800 xu | = 3.5065756780402E-10 span |
| 900 xu | = 3.9448976377953E-10 span |
| 1000 xu | = 4.3832195975503E-10 span |
| 2000 xu | = 8.7664391951006E-10 span |
| 4000 xu | = 1.7532878390201E-9 span |
| 5000 xu | = 2.1916097987752E-9 span |
| 7500 xu | = 3.2874146981627E-9 span |
| 10000 xu | = 4.3832195975503E-9 span |
| 25000 xu | = 1.0958048993876E-8 span |
| 50000 xu | = 2.1916097987752E-8 span |
| 100000 xu | = 4.3832195975503E-8 span |
| 1000000 xu | = 4.3832195975503E-7 span |
| 1000000000 xu | = 0.00043832195975503 span |