Converters
Browse the main conversion tools by category. Length and weight stay front and center because they serve the broadest everyday use, while the rest of the library supports shopping, travel, storage, workshop and electronics tasks.
Browse by use case
Start with the job you are actually doing. These shortcuts reduce dead-end browsing and strengthen the most useful converter paths for shopping, travel, shipping and workshop tasks.
📏 Shopping and dimensions
Compare product sizes, room measurements, screens and printed part dimensions.
⚖️ Shipping and luggage
Check parcel weight, luggage limits, body weight logs and imported product specs.
👟 International shoe sizes
Compare EU, US, UK, Japan, Korea and Mondopoint sizes before buying footwear abroad.
💱 Travel and currency
See live exchange guidance for budgets, import checks and online shopping comparisons.
Smart input
Jump straight to the right converter by typing a plain-English request. Example: 25 cm to inch, 5 kg in lbs or 100 eur to usd.
Most used categories
These are the pages most visitors need first. Product dimensions, luggage, body weight, shipping and simple comparisons start here, so this section now takes priority over niche categories.
📏 Length converters
Use length pages to compare room sizes, screen specs, furniture dimensions, product listings and general measurements between metric and imperial systems.
👟 Shoe Size Converter
Compare EU, US men's, US women's, UK, Japan, Korea and Mondopoint sizes when buying footwear internationally.
⚖️ Weight converters
Use weight pages for luggage rules, shipping estimates, body weight checks, gym planning, recipe scaling and product comparison across regions.
CM to Inch
For dimensions on products, tools, parts and packaging.
Inch to CM
Useful when US sizing must be compared with metric specs.
Shoe Size Converter
Useful when comparing sneaker, boot and retail sizes between Europe, the UK, the US and Asia.
KG to LBS
Common for luggage, fitness and imported product weights.
LBS to KG
Useful when American listings need a metric comparison.
Meters to Feet
Helpful for room measurements, property listings and height checks.
Everyday categories
After length and weight, these categories cover the most common practical comparisons for home, travel, storage and international shopping.
🧰 All-in-One Converter
Keep common conversions on one page, including a live EUR to USD check.
🌡️ Temperature
For weather, recipes, ovens, heating and workshop tools.
💾 Data
For storage totals, file sizes, plans and transfer expectations.
💱 Currency
For travel budgets, online shopping and quick import cost checks.
🖨️ 3D Printing
For spool planning, material estimates and print preparation.
Electronics and bench work
Electronics remains part of the library, but it now sits where it belongs: below the broad everyday categories. These pages help with prefixes, current draw, resistor values and quick bench calculations.
Volts to Millivolts
For sensors, ADC ranges and low-voltage signal checks.
Millivolts to Volts
Useful when small signal values must be compared with supply rails.
Amps to Milliamps
Handy for current draw checks on compact circuits and USB devices.
Milliamps to Amps
Translate smaller current values into the scale larger tools display.
Watts to Kilowatts
Useful for appliances, chargers and total power comparisons.
Ohm's Law Calculator
Quickly work out the missing relationship between voltage, current and resistance.
LED Resistor Calculator
Choose a safer resistor value before powering a LED circuit.
Voltage Divider
Estimate output voltage from a two-resistor divider before wiring it.