Ellipsoid / datum
WGS 84 — GPS — worldwide default
GRS 1980 — NAD83, ETRS89, GDA2020, ITRF
CGCS2000 — China
PZ-90 — Russia — GLONASS
WGS 72 — legacy US DoD
International 1924 — ED50 Europe + legacy worldwide
Krassowsky 1940 — Pulkovo 1942, Beijing 1954
Bessel 1841 — Germany, Japan, Indonesia legacy
Airy 1830 — OSGB36 — Great Britain
Airy Modified 1849 — Ireland
Clarke 1866 — NAD27 — North America
Clarke 1880 (IGN) — France, N & W Africa
Clarke 1880 (RGS) — Nigeria, Jordan
Clarke 1880 (Arc) — Southern & East Africa
Everest 1830 (1937 Adjustment) — India (Survey of India), Bangladesh, Myanmar
Everest 1830 (1962 Definition) — Pakistan
Everest 1830 (1975 Definition) — India (Kalianpur 1975)
Everest 1830 (1967 Definition) — Brunei, East Malaysia
Everest 1830 Modified — West Malaysia, Singapore
Everest 1830 (RSO 1969) — Malaysia RSO
Australian National Spheroid — AGD66 / AGD84
GRS 1967 Modified — SAD69 — South America
Indonesian National Spheroid — Indonesia ID74
Helmert 1906 — Egypt
Deg decimals
4 5 6 7 8 9 10
Min decimals
2 3 4 5 6 7 8
Sec decimals
1 2 3 4 5 6
Metre decimals
0 1 2 3 4 5
Norway / Svalbard zone exceptions
Lat / Long ➜ UTM
UTM ➜ Lat / Long
DD ⇄ DM ⇄ DMS
Batch (file / list)
Input format
Decimal degrees (DD)
Degrees + minutes (DM)
Deg / min / sec (DMS)
Zone
Automatic (from longitude)
📍 Use my location
Zone / band
Easting
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Northing
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Central meridian
Grid convergence
Point scale factor
Decimal degrees
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Deg + minutes
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Deg min sec
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Signed (GIS)
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Convert a latitude / longitude between Decimal degrees (DD), Degrees + minutes (DM) and Deg / min / sec (DMS). Enter it in any one format and read all three — no projection change.
Input format
Decimal degrees (DD)
Degrees + minutes (DM)
Deg / min / sec (DMS)
Decimal degrees
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Deg + minutes
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Deg min sec
Copy
Signed (GIS)
Copy
or paste / edit lines below:
✓ BTPL convertor gives 100% exact conversion.
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Datum note: the ellipsoid selection changes the projection mathematics only.
Method: Krüger / Karney 2011.