What is the difference between WGS84 and local coordinate systems?

WGS84 (World Geodetic System 1984) is the global standard used by GPS and Google Maps. Pakistan's official survey uses an older local datum based on the Everest 1830 ellipsoid, and the difference can be 200–400 metres depending on location. For modern engineering projects WGS84/UTM is preferred, because all GPS equipment uses it natively.

How accurate is this UTM converter?

It uses the standard WGS84 UTM conversion algorithm, accurate to roughly 1–5 metres. For high-precision surveying (sub-centimetre), use a calibrated total station or differential GPS with professional survey software. This tool is suitable for general engineering planning, location marking and GIS work.

Surveying & Geomatics

UTM Coordinates Converter

Q: What UTM zone is Karachi, Lahore, and Islamabad in?

Islamabad and Rawalpindi: Zone 43N; Lahore: Zone 43N; Karachi: Zone 42N; Peshawar: Zone 42N; Quetta: Zone 41N or 42N depending on exact location. Pakistan spans about 60.9°E to 77.8°E longitude, covering UTM zones 41, 42 and 43 in the Northern Hemisphere.

Convert between UTM, Latitude/Longitude (Decimal Degrees & DMS), and calculate distance between two coordinate points — using WGS84 datum.

UTM / LatLng Coordinates Converter

WGS84 · UTM → LatLon · LatLon → UTM · Distance Calculator

UTM Zone NumberPakistan: Zones 41–43

Hemisphere

Easting E (metres)6-digit value (100,000–900,000)

Northing N (metres)7-digit value for Pakistan

Converted Coordinates

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Latitude (DD)

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Longitude (DD)

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Latitude (DMS)

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Longitude (DMS)

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Latitude (Decimal Degrees)Positive = North, Negative = South

Longitude (Decimal Degrees)Positive = East, Negative = West

UTM Coordinates

Done

UTM Zone

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Easting (m)

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Northing (m)

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Full UTM String

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Latitude Degrees °

Latitude Minutes '

Latitude Seconds "

Lat Direction

Longitude Degrees °

Longitude Minutes '

Longitude Seconds "

Lon Direction

Decimal Degrees

Done

Latitude (DD)

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Longitude (DD)

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Google Maps Format

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UTM Zone

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DD = Degrees + Minutes/60 + Seconds/3600

Enter two coordinate points (Latitude/Longitude in Decimal Degrees) to calculate the distance between them.

Point A — Latitude

Point A — Longitude

Point B — Latitude

Point B — Longitude

Distance Results

Done

Distance (km)

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Distance (m)

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Distance (miles)

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Bearing (A→B)

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Haversine formula: a = sin²(Δlat/2) + cos(lat1)·cos(lat2)·sin²(Δlon/2) · c = 2·atan2(√a, √(1−a)) · d = R·c

UTM Zones for Pakistan, Gulf & South Asia

Country / Region	UTM Zone(s)	Hemisphere	Common Use
Pakistan (most of country)	Zone 42N, 43N	Northern	Survey of Pakistan, GIS mapping
Pakistan (western KPK/FATA)	Zone 41N, 42N	Northern	WAPDA, NHA projects
Saudi Arabia	Zone 37N, 38N, 39N	Northern	ARAMCO, SABIC projects
UAE / Dubai	Zone 40N	Northern	Dubai Municipality
Qatar	Zone 39N	Northern	QCDD mapping
India (most of country)	Zone 43N to 46N	Northern	Survey of India
Afghanistan	Zone 41N, 42N	Northern	NGIS Afghanistan

What is UTM & When Do Engineers Use It?

UTM (Universal Transverse Mercator)

UTM is a coordinate system that divides the world into 60 zones, each 6° of longitude wide. Instead of using degrees, UTM expresses locations in metres (Easting and Northing) from a defined origin — making it far more practical for engineering and construction work than Lat/Lon degrees.

Why Civil Engineers Use UTM

Site surveys and layout — total station instruments output UTM coordinates directly
Road and pipeline alignment — easier to calculate distances and chainage in metres
BOQ quantity takeoff from GIS/CAD — AutoCAD Civil 3D and ArcGIS use UTM
GPS field data collection — GPS receivers can output UTM for field stakeout
Government submissions in Pakistan — Survey of Pakistan requires UTM Zone 42N/43N

Pakistan primarily uses UTM Zone 42N (central and eastern Pakistan) and Zone 43N (eastern Punjab/Kashmir). Always confirm the correct zone with your survey department before project stakeout.

Frequently Asked Questions

Islamabad and Rawalpindi: Zone 43N · Lahore: Zone 43N · Karachi: Zone 42N · Peshawar: Zone 42N · Quetta: Zone 41N or 42N depending on exact location. Pakistan spans approximately 60.9°E to 77.8°E longitude, covering UTM zones 41, 42, and 43 in the Northern Hemisphere.

WGS84 (World Geodetic System 1984) is the global standard used by GPS and Google Maps. Pakistan's official Survey uses an older local datum called "India Zones" or "Everest 1830" ellipsoid. The difference can be 200–400 metres depending on location. For modern engineering projects, WGS84/UTM is preferred as all GPS equipment uses it natively.

This calculator uses the standard WGS84 UTM conversion algorithm accurate to approximately 1–5 metres. For high-precision surveying work (sub-centimetre accuracy), use a calibrated total station or differential GPS with professional survey software. This tool is suitable for general engineering planning, location marking, and GIS work.