The conversion sites are stuck in 1997. This one isn't.
Size charts & unit converters,
answered instantly.
Sizes and units, answered instantly — clean tables, live converters, built for the phone in your hand. No pop-ups, no 2,000-word essay before the answer.
Ring sizes
US, UK, EU/ISO, Japan, mm — find your size in any system.
SHOEShoe sizes
EU, US, UK and foot length in cm, for men and women.
OVENOven temperatures
Gas mark, °C, °F and fan oven — the full chart.
COOKCups & grams
Cups to grams per ingredient, plus the butter decoder.
UNITQuick units
Length, weight, volume, area, speed and temperature, live.
CLOTHClothing sizes
Women's dresses, men's shirts & suits — US, UK, EU, IT, JP.
BRABra sizes
Measure your size and convert US, UK, EU, JP — band & cup.
PAPERPaper sizes
A-series, B-series and US Letter/Legal in mm, cm and inches.
TIRETire sizes
Decode 205/55 R16, compare two tyres, see the speedo error.
DATEDays between dates
Count the days between two dates, or add days to find a deadline.
Popular conversions
cm → inches · kg → lbs · km → miles · °C → °F · ml → fl oz · g → oz · l → gallons · m → feet · kg → stone · mph → km/h · Days between dates · Gas mark 4 in °C
Why this exists
Every page opens with the converter, not an essay. The full reference table is one scroll away.
Unit factors are exact ISO/NIST definitions. Where charts genuinely vary — shoes, brands — we say so instead of pretending.
Instant results as you type, readable on a phone, printable tables. The way a lookup site should work.