GuideUnits
Why Your Unix Timestamp Is Off by Hours (or 55 Years)
Seconds vs milliseconds, UTC vs local, and Excel serial dates. How to convert an instant in the browser without uploading a log dump.
11 min read
DevOkk Blog
Guides that send you to the right tool
How-to articles, category roundups, and fair competitor comparisons for browser-based, privacy-first utilities. Files stay on your device unless a network lookup is the actual job.
GuideUnits
How to Convert Length Units (Metric and Imperial)
Convert metres, feet, inches, and miles accurately in the browser.
4 min read
GuideUnits
How to Convert Temperature Between Celsius, Fahrenheit, and Kelvin
Temperature scales with the right formulas and a local converter.
4 min read
GuideUnits
How to Convert Bytes, Bits, KB, MB, and GB
SI vs binary prefixes for storage. Convert locally while debugging downloads.
4 min read
GuideUnits
How to Convert Unix Timestamps to Human Dates
Seconds vs milliseconds, UTC vs local, converted in the browser.
4 min read
GuideUnits
How to Convert Speed Units (mph, km/h, m/s)
Speed conversions for class, travel, and physics checks.
4 min read
GuideUnits
Mass vs Weight: How to Convert Them Correctly
Mass and weight are not the same. Convert each family with the right tool.
4 min read
GuideUnits
How to Convert Energy and Power Units
Joules, calories, watts, and horsepower without mixing energy and power.
4 min read
GuideUnits
How to Convert Pressure Units (psi, bar, Pa, atm)
Tire gauges, labs, and weather maps use different pressure units.
4 min read
GuideUnits
How to Convert Area, Volume, and Density Units
m², litres, and kg/m³ conversions that stay consistent.
4 min read
GuideUnits
MPG vs L/100km and Other Fuel Efficiency Units
US MPG, UK MPG, and L/100km are not the same formula.
4 min read