Utility Tools
Quick everyday helpers covering health, math, and travel.
Utility tool
Age Calculator
Compute exact age plus next birthday countdown.
Utility tool
Date Difference Calculator
Measure days, weeks, and months between any two dates.
Utility tool
Percentage Calculator
Solve percent-of, is-what-percent, and percent-change questions.
Utility tool
Length Converter
Convert between metric and imperial length units.
Utility tool
Weight Converter
Mass conversion across metric and imperial units.
Utility tool
Temperature Converter
Convert °C, °F, and Kelvin with instant math.
Utility tool
Fuel Cost Calculator
Plan trip cost using distance, mileage, and fuel price.
Utility tool
Tip Calculator
Split bills with tip amounts and per-person totals.