GNSS (全球導航衛星系統)

Decimal Place	Decimal Degrees	DMS	Recognizable Object	N/S or E/W at Equator	E/W at 23N/S	E/W at 45N/S	E/W at 67N/S
0	1.0	1° 00′ 0″	country or large region	111 km	102 km	78.7 km	43.5 km
1	0.1	0° 06′ 0″	large city or district	11.1 km	10.2 km	7.87 km	4.35 km
2	0.01	0° 00′ 36″	town or village	1.11 km	1.02 km	0.787 km	0.435 km
3	0.001	0° 00′ 3.6″	neighborhood, street	111 m	102 m	78.7 m	43.5 m
4	0.0001	0° 00′ 0.36″	individual street, large buildings	11.1 m	10.2 m	7.87 m	4.35 m
5	0.00001	0° 00′ 0.036″	individual trees, houses	1.11 m	1.02 m	0.787 m	0.435 m
6	0.000001	0° 00′ 0.0036″	individual humans	111 mm	102 mm	78.7 mm	43.5 mm
7	0.0000001	0° 00′ 0.00036″	practical limit of commercial surveying	11.1 mm	10.2 mm	7.87 mm	4.35 mm
8	0.00000001	0° 00′ 0.000036″	specialized surveying	1.11 mm	1.02 mm	0.787 mm	0.435 mm

DMS -> Decimal Degrees:
D_dec = D + M/60 + S/3600

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