ပီကိုမီတာ: တည်းဖြတ်မှု မူကွဲများ

| caption = A simplified representation of a [[ဟီလီယံ|helium]] atom, having an estimated (calculated) diameter of 62 picometres<ref name="WebElementsSize">{{cite web | url = http://www.webelements.com/periodicity/atomic_radius | title = Atomic radius | work = WebElements: the periodic table on the web}}</ref>

| symbol = pm

| quantity = အလျား

| units1 = SI units

| inunits1 = {{val|1|e=-12|ul=m}}

| units2 = သဘာဝ ယူနစ်များ

-->&emsp;{{val|1.8897|e=-2}}&nbsp;[[Bohr radius|''a''₀]]

| units3 = imperial units|/US customary units