How many pyeong is 20 majigi?
20 majigi = 4,000 pyeong
It is 4,000 pyeong, so saying 4,000 pyeong is fine — rounding is within 0.5%.
And how many majigi is 20 pyeong?
20 pyeong = 0.1 majigi
Formula: pyeong = majigi × 200
majigi to pyeong around this value
2 majigi400pyeong
4 majigi800pyeong
6 majigi1,200pyeong
8 majigi1,600pyeong
10 majigi2,000pyeong
12 majigi2,400pyeong
14 majigi2,800pyeong
16 majigi3,200pyeong
18 majigi3,600pyeong
20 majigi4,000pyeong
22 majigi4,400pyeong
24 majigi4,800pyeong
26 majigi5,200pyeong
28 majigi5,600pyeong
30 majigi6,000pyeong
32 majigi6,400pyeong
34 majigi6,800pyeong
36 majigi7,200pyeong
38 majigi7,600pyeong
40 majigi8,000pyeong