Blog
- New: a weight converter that shows every unit at once
Milligrams to metric tonnes, live and bidirectional, plus a full reference table so you see the same weight in every unit at a glance.
2026-08-14 - New: a volume converter that gets US gallons right
Convert milliliters, liters, cubic meters, and US gallons, quarts, pints, cups, and fluid ounces with exact legal definitions — and a reference table showing all eight units at once.
2026-08-14 - New: a temperature converter that shows all three scales at once
Convert Celsius, Fahrenheit, and Kelvin with the exact standard formulas, a swap button, and a live reference row — plus a warning if you try to go below absolute zero.
2026-08-14 - New: a Speed Converter for km/h, mph, m/s, and knots
Convert between km/h, mph, m/s, and knots instantly, with a live reference table showing all four units at once — no signup.
2026-08-14 - New: a Roman numeral converter that catches invalid input instead of guessing
Convert numbers 1–3999 to Roman numerals and back, both directions, with strict validation that rejects malformed input like IIII or VV instead of silently misreading it.
2026-08-14 - New: a pressure converter built on exact constants, not rounded ones
Pascals, kilopascals, bar, PSI, and atmospheres — converted live both directions, with a reference table showing all five at once.
2026-08-14 - New: a length converter that shows every unit at once
Millimeters to miles, live and bidirectional, plus a full reference table so you see the same length in every unit at a glance.
2026-08-14 - New: a data storage converter that keeps decimal and binary GB honestly separate
Bits, bytes, decimal KB/MB/GB/TB, and binary KiB/MiB/GiB/TiB — labeled clearly so you always know which math you're getting, including why a '1TB' drive shows as '931GB' in Windows.
2026-08-14 - New: an Area Converter for m², ft², acres, hectares, km², and mi²
Convert between square meters, square feet, acres, hectares, square kilometers, and square miles instantly, with all six units visible at once — no signup.
2026-08-14 - New: an angle converter that includes gradians, not just degrees and radians
Convert between degrees, radians, and gradians live, with a swap button and a table showing all three units at once — right in your browser.
2026-08-14