Financial
Loans, interest, tax, and investments.
CalcLab
A metadata-driven collection of calculators and converters.
Browse categories
Converters
Unit and measurement converters.
Date & Time
Dates, durations, and working days.
Text
Reading time and text transformations.
Developer
Data, encoding, and generator tools.
Image
Image format conversion planning.
Featured tools
Age Calculator
Calculate exact age in years, months, and days from a date of birth.
Angle Converter
Convert between angle units.
Area Converter
Convert between metric and imperial area units.
Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 back to text (UTF-8).
Case Converter
Convert text between upper, lower, title, camel, snake, kebab, and more.
Compound Interest Calculator
Calculate compound growth of a lump sum over time.
Recently added
Length Converter
Convert between metric and imperial length units.
Weight Converter
Convert between mass and weight units.
Area Converter
Convert between metric and imperial area units.
Volume Converter
Convert between metric and US liquid volume units.
Temperature Converter
Convert between Celsius, Fahrenheit, and Kelvin.
Speed Converter
Convert between speed units.