Size charts and unit conversions, answered as you type.
Type a measurement and read the answer — with the exact definition behind it and the chart it came from. No pop-ups, no essay before the number.
Will it fit?
Measure once and know before you buy or drive to the shop.
TV in your car
5 tape readingsChecks the boot opening, floor length and roof height for any TV from 32 to 85 inch.
TV box sizes
55″ ≈ 137×83×15 cmCarton sizes of 40 TVs straight from Samsung, LG, Sony, Philips and Hisense.
Door sizes
US 203 × 81 cmStandard interior and front door widths and heights.
Card size
85.60 × 53.98 mmThe exact size of a bank or credit card, for wallets, holders and print.
Every chart on the site
Cups & grams
1 cup flour = 120 gCups to grams per ingredient, plus the butter decoder.
Oven temperatures
Gas 4 = 180 °CGas mark, °C, °F and fan oven in one chart.
Units
5′7″ = 170.18 cmLength, weight, volume, area, speed and temperature, live.
Clothing sizes
UK 10 = US 6Dresses, shirts and suits across US, UK, EU, IT and JP.
Shoe sizes
EU 42 = US 9EU, UK, US and foot length in cm, for men and women.
Bra sizes
US 34G = UK 34FMeasure your size and convert band and cup between systems.
Ring sizes
US 7 = 54.4 mmUS, UK, EU/ISO, Japan and mm — plus an on-screen sizer.
Paper sizes
A4 = 210 × 297 mmA and B series, US Letter and Legal in mm, cm and inches.
TV sizes
55″ = 121.8 × 68.5 cmReal width and height for every screen, plus viewing distance.
Bed sizes
Queen = 152 × 203 cmUS, UK and European mattress sizes in centimetres.
Object sizes
Card = 85.60 × 53.98 mmCredit cards, doors, passport photos and more.
Tire sizes
205/55 R16 = 632 mmDecode a tyre size, compare two, see the speedo error.
Days between dates
1 Jan → 1 Mar = 59 daysCount days between two dates, or add days to a date.
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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.
Plain pages with no ads, no trackers and no sign-up, so they open straight away on a phone. Tables print cleanly.