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.
TVTV sizes
Real width and height in cm for every screen, plus viewing distance.
BEDBed sizes
US, UK and European mattress sizes compared in centimetres.
OBJObject sizes
Credit cards, doors, passport photos and more — exact everyday dimensions.
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.