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# Unit and math tools

Convert units, simplify fractions, find averages, factor numbers, and work out aspect ratios and print sizes.

5 tools

- [Unit converter

Length, weight, temperature, speed, data, and more. Type one value and see every unit.
](/converters/units)
- [Fraction calculator

Turn decimals into fractions and back, simplified.
](/converters/fractions)
- [Average and median

Paste a list of numbers and get the average, median, spread, and more.
](/converters/statistics)
- [Primes, GCD, and LCM

Check if a number is prime, split it into factors, and find the GCD or LCM.
](/converters/primes)
- [Aspect ratio and DPI

Work out aspect ratios, keep them when resizing, and find print sizes from DPI.
](/converters/aspect-ratio)

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Canonical HTML: https://nutter.tools/converters/
Markdown version: https://nutter.tools/converters/index.md
Plain-text version: https://nutter.tools/converters/index.txt
Agent index: https://nutter.tools/llms.txt