Latitude / Longitude GPS Format Converter

Convert geographic GPS locations back and forth between Decimal Degrees (DD) and standard Degrees Minutes Seconds (DMS).

Try a Test Landmark preset
Decimal Degrees Input
Converted GPS Output Format
💡 Coordinate Rule: Positive latitude values imply North (N), negative South (S). Positive longitude values denote East (E), while negative values represent West (W).

Explore Additional Utilities

Speed to fly — polar curve ↔ McCready interthermal speed

Calculate the optimum speed to fly between thermals based on the glider polar curve, expected next thermal climb rate, and headwind/sink.

gliding-soaring

Halftone frequency — lpi ↔ dpi requirement

Calculate the necessary image resolution (DPI/PPI) for halftone printing line screens (LPI) and analyze grayscales.

paper-printing

Network Bandwidth Rates

Compare network bandwidth speed rates across Mbps, Megabytes, and hourly rates.

datastorage

Specific heat capacity — J/kg·K ↔ BTU/lb·°F

Convert between specific heat capacity units including J/kg·K, kJ/kg·°C, BTU/lb·°F, and cal/g·°C.

thermodynamics

Sandpaper grit — CAMI ↔ FEPA ↔ micron rating

Convert and compare sandpaper abrasive grit sizing standards between CAMI, FEPA (P-grade), and average micron rating.

woodworking

Hebrew ↔ Gregorian Calendar

Convert between the Hebrew lunisolar calendar and standard Gregorian dates, detailing standard Jewish months, holidays, and leap years.

timezone

Mortar mix ratio — cement ↔ sand ↔ water by weight

Calculate standard masonry mortar mix classes (Type M, S, N, O, K) and determine precise cement, sand, and water weights.

masonry-concrete

Magnetic Declination

Estimate compass alignment values and offset angles between magnetic north and true north.

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Camber angle — mm of offset ↔ degrees

Convert alignment offset deflection in millimeters to degrees of camber angle based on rim diameter, or vice versa.

automotive

Wood moisture content ↔ shrinkage percentage

Calculate expected wood dimensional shrinkage (radial, tangential, volumetric) based on changes in wood moisture content below fiber saturation point.

woodworking

dB gain ↔ power ratio — amplifier and antenna specs

Convert logarithmic decibels (dB) to linear power and voltage ratios, or translate absolute power in Watts to dBm.

telecommunications

Roman Numeral Converter

Convert between classical Roman numerals (XIV, MCMLXX) and decimal integers dynamically.

devtools

URL Encoder & Decoder

Safely encode illegal URL string sequences or decode clean string paths.

devtools

Hardness converter — Rockwell ↔ Brinell ↔ Vickers

Convert between Rockwell C, Rockwell B, Brinell, and Vickers scales with approximate tensile strengths for steel materials.

welding-metallurgy

QR Code Generator

Instantly render plain text streams or URLs into scalable vector QR patterns complete with sizing triggers.

devtools

Radioactive Decay Half-Life

Estimate remaining isotope amounts and decay timelines from standard half-life periods.

devtools

ND Filter Stops Converter

Convert ND filter labels (ND density, optical density, and stop reduction) and calculate long exposure shutter speed compensation.

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Morse Code Translator

Translate standard text to Morse code signals (dots and dashes) and decode them in real-time.

devtools

Length Converter

Convert between meter, kilometer, centimeter, mile, yard, foot, inch, and more.

unit

Hyperfocal Distance Calculator

Calculate hyperfocal distance, near sharp limit, and depth of field range starting point for any focal length, aperture, and sensor format.

unit