무게계산기 - 파운드계산기 킬로그램 무게 중량 미터톤

After launching the app, enter the pound or kilogram or gram or metric ton using the lower keypad.
Make all calculations at the same time as input.

When entering a value, pound, kilogram, gram, and metric ton values ​​are output in real time.
lb = kg, g, t
g = lb, kg, t
kg = lb, g, t
t = lb, g, kg