Clothing Size Converter

Convert standard sizes (XS to 3XL) across US, UK, European and Asian standards instantly.

1. Standard Fit Category
2. Select Your Known Alpha Size
ALPHA StandardM
US Size38 - 40
Europe (EU)48 - 50
Asia StandardL (Large)

Interactive Size Standard Scale Table

Size TagUS SizeEU SizingAsian Equivalent
XS3444S (Small)
S3646M (Medium)
M38 - 4048 - 50L (Large)
L42 - 4452 - 54XL (X-Large)
XL46 - 4856 - 58XXL (2X-Large)
XXL (2XL)50 - 5260 - 623XL (3X-Large)
3XL54 - 5664 - 664XL (4X-Large)

Explore Additional Utilities

Specific heat capacity — J/kg·K ↔ BTU/lb·°F

Convert between specific heat capacity units including J/kg·K, kJ/kg·°C, BTU/lb·°F, and cal/g·°C.

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Gray ↔ rad (Absorbed Dose)

Convert between Gray (Gy), rad, milligray (mGy), and microrad (µrad) to analyze absorbed ionizing radiation energy per unit mass.

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Vibration Converter (d ↔ v ↔ a)

Convert sinusoidal mechanical vibration parameters between displacement, velocity, and acceleration at a given frequency.

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Arrow spine ↔ draw weight + length — stiffness matching

Estimate required arrow static spine rating (stiffness) based on bow draw weight, arrow length, and bow type.

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Drift calculation — wind speed ↔ canopy speed → landing offset

Calculate descent drift offset distance, wind deflection angles, and flight heading corrections for precision landing dropzones.

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Wind window — apparent wind angle ↔ power zone position

Determine apparent wind speed, angle, and optimal power zone placement.

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ISO Week Number ↔ Calendar Date

Calculate ISO 8601 week numbers, week dates, and determine start/end weekdays of any given week year.

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Battery capacity — Ah ↔ Wh ↔ days of autonomy

Convert between Amp-hours (Ah) and Watt-hours (Wh) and calculate battery bank backup days of autonomy based on loads.

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Sugar Syrup Ratio Calculator

Calculate water and sugar ratios for simple, rich, and Demerara syrups by volume and weight.

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Preheat temperature — steel grade + thickness → °C

Estimate preheat temperatures using Carbon Equivalent (CE) chemistry formulas and plate thickness guidelines to prevent hydrogen cracking.

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Glide ratio (L/D) — distance ↔ height lost

Convert lift-to-drag glide ratio into horizontal distance reached versus vertical altitude loss under zero-wind and head/tailwind conditions.

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Freefall time — altitude ↔ seconds in freefall

Estimate freefall duration and terminal velocity based on exit altitude, deployment altitude, and body position.

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Atomic mass units ↔ grams — mole calculations

Convert Atomic Mass Units (u / Da) to grams or kilograms, and compute molar quantities of chemical elements.

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SWOLF score — strokes + seconds per length

Calculate and track your SWOLF efficiency score based on lap time and stroke count for various pool lengths.

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dBm to Watts/Volts

Convert RF power levels between dBm, milliwatts, watts, and RMS voltage across 50/75 ohm impedance.

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Drill bit size — inches ↔ mm ↔ gauge number

Convert drill bit diameters between fractional/decimal inches, millimeters, and drill gauge number sizes.

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Crease pattern scale — diagram size ↔ actual paper needed

Scale geometric origami crease patterns and tessellations to starting square sheet sizes.

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Nectar ↔ honey — volume reduction during curing

Calculate volume and weight reduction as bees dehydrate raw floral nectar (80% moisture) down to cured honey (18% moisture).

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Paper size ↔ finished model size — origami scaling

Determine required starting paper square dimensions to fold specific final 3D origami model sizes.

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Fold ratio — paper thickness ↔ maximum folds possible

Compute theoretical limit of fold iterations possible for paper size and thickness (Britney Gallivan equation).

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