YOUR EVERYDAY TOOLKIT
Math and measurement
Work out percentages, ratios, fractions, averages and unit conversions. The calculators show their assumptions and accept explicit inputs so you can check the method as well as the result.
✓ Completely free✓ No sign-in✓ Optional cloud saving
5 tools ready to useBuilt for the everyday
Percentage calculator
Calculate common percentage changes.
Open toolRatio and proportion calculator
Scale quantities and compare proportions.
Open toolUnit converter
Convert standard physical measurements.
Open toolFraction calculator
Calculate without losing fractional precision.
Open toolAverage and statistics calculator
Summarize a small numeric dataset.
Open tool01
Get straight to it.
Every tool works without an account. Open one and start.
02
Keep your files close.
Processing happens on your device. Your inputs stay with you.
03
Take the result with you.
Copy, download or print what you need, then get back to your day.