Other & Utilities
A collection of high-utility tools for everyday life. From precise time tracking and grade management to specialized IT utilities.
Time & Date
Age Calculator
Calculate exact age in years, months, and days based on your Date of Birth.
Time Calculator
Add or subtract hours, minutes, and seconds. Essential for payroll and timesheets.
Date Calculator
Calculate duration between dates or add/subtract time.
Hours Calculator
Calculate the exact duration between a start and end time.
Time Zone Calculator
Convert time across global time zones and calculate time differences.
Time Card Calculator
Generate weekly time reports based on work hours and rates.
Day Counter
Find the number of days between two dates, including working days.
Day of the Week Calculator
Find which day of the week any past or future date falls on.
Time Duration Calculator
Calculate the exact duration in days, hours, and minutes between two dates and times.
Education
IT & Everyday Utilities
IP Subnet Calculator
Calculate network address, broadcast address, and host range for any IP.
Password Generator
Create strong, secure, and random passwords instantly.
Unit Converter
Convert length, weight, temperature, and more.
Bandwidth Calculator
Calculate download times and convert between data rates.
Random Number Generator
Generate random numbers within a specific range with customizable options.
Concrete Calculator
Calculate the amount of concrete needed for slabs, footings, and columns.
Text & Word Counter
Count words, characters, sentences, and estimate reading time.
Fuel Cost Calculator
Calculate fuel cost and amount needed for trips.
Electricity Cost
Estimate appliance energy consumption and bill costs.
Tip Calculator
Calculate tips and split bills easily among multiple people.
Square Footage Calculator
Calculate the area of various shapes for home improvement projects.
Tile Calculator
Estimate tiles and boxes needed for floors and walls.
Roofing Calculator
Calculate true roof area and estimate roofing squares.
BTU Calculator
Calculate required BTUs and AC Tonnage for heating/cooling.
Bra Size Calculator
Find your correct bra size under US, UK, EU, and AU sizing standards.
Shoe Size Conversion
Convert shoe sizes between US, UK, EU, and JP standards based on foot length.
Gas Mileage Calculator
Track vehicle fuel economy (MPG & L/100km) and analyze fuel travel costs.
Dice Roller
Virtual dice roller with support for custom face counts and roll totals.
Base64 Encoder & Decoder
Encode standard strings to Base64 format or decode Base64 data back to clear UTF-8 text.
URL Encoder & Decoder
Percent-encode special characters in URLs or decode percent values back to plain text.
Stair Calculator
Calculate steps, riser heights, total run, stringer length and pitch for layout plans.
Tire Size Calculator
Compare dimensions of two tires side-by-side and calculate speedometer error.
Ohm's Law Calculator
Calculate Voltage, Current, Resistance, or Power using Ohm's Law.
Voltage Drop Calculator
Calculate electrical wiring voltage losses across distances and load currents.
Explore More
Need something else? We continuously update our utility directory based on search demand. Use the navigation to discover hundreds of other specific calculators.