Other Calculators

Specialized calculators for time, conversion, construction, automotive, electrical, and everyday calculations. Professional tools for various industries and specific needs.

50 calculators availableAll calculators readyUpdated August 2025

Time & Date

Calculate time differences, dates, and time-related values

Age Calculator

Calculate your exact age in years, months, days, hours, minutes, and seconds. Find your zodiac sign, generation, and life milestones with this comprehensive age calculator.

Time Calculator

Add, subtract, multiply, and calculate average time values. Convert between different time formats and perform precise time calculations with hours, minutes, and seconds.

Time Zone Calculator

Convert time zones, manage world clocks, and plan international meetings. Real-time time zone converter for global travelers and remote teams.

Day Counter

Count days between dates, countdown to events, or track elapsed time. Calculate business days, weekends, and anniversaries with our comprehensive day counting tool.

Date Calculator

Add or subtract days, weeks, months, or years from any date. Find specific dates, calculate business days, and format dates in multiple formats with our comprehensive date calculator.

Time Card Calculator

Track work hours, calculate overtime, and manage payroll with precision. Employee timesheet calculator with break times, pay rates, and export functionality.

Sleep Calculator

Optimize your sleep schedule based on natural sleep cycles. Calculate ideal bedtimes and wake-up times for better rest with personalized recommendations by age group.

Time Duration Calculator

Calculate time differences, add or subtract time, and convert between time units with comprehensive duration analysis. Professional time calculator for scheduling and planning.

Day of the Week Calculator

Find out what day of the week any date falls on. Calculate day of week for past and future dates with historical events, zodiac signs, and comprehensive date information.

Conversion & Measurement

Convert between units and measurement systems

Height Calculator

Convert height units between feet/inches and centimeters, analyze height statistics, predict child height, and find ideal weight ranges based on height.

Conversion Calculator

Convert between different units of measurement including length, weight, temperature, volume, area, and speed. Precise conversions with detailed unit information and history.

Shoe Size Conversion

Convert between US, UK, EU shoe sizes and foot measurements. Professional shoe size converter with charts for men, women, and children with width recommendations and fitting tips.

Mass Calculator

Convert between mass units, calculate density, weight, momentum, and energy. Professional mass calculator with physics formulas, unit conversions, and real-world comparisons.

Speed Calculator

Convert speed units, calculate velocity, acceleration, and kinematics. Professional speed calculator with physics formulas, unit conversions, and real-world speed comparisons.

Density Calculator

Calculate density, mass, and volume using the fundamental formula D = M/V with unit conversions and material comparisons. Physics and chemistry calculator with common material densities.

Weight Calculator

Convert between different weight units including metric, imperial, troy, and specialized systems. Comprehensive weight converter with real-world comparisons and unit conversions.

Roman Numeral Converter

Convert between Arabic numbers and Roman numerals with detailed breakdowns, rules, and historical context. Comprehensive Roman numeral calculator with validation and examples.

Construction & Home

Calculators for construction, renovation, and home projects

Square Footage Calculator

Calculate square footage for rooms, flooring, paint, and construction projects. Multiple shapes, unit conversions, and material estimates for home improvement.

Stair Calculator

Calculate stair dimensions, rise, run, and building code compliance for construction projects. Professional tool with code requirements, material estimates, and safety guidelines.

Tile Calculator

Calculate the number of tiles needed for your flooring or wall project. Includes waste calculation, cost estimation, and material requirements with professional installation recommendations.

Gravel Calculator

Calculate gravel requirements for driveways, walkways, and landscaping projects. Estimate cubic yards, tons, and costs for different gravel types with delivery and labor calculations.

Concrete Calculator

Calculate concrete quantities, costs, and materials needed for slabs, driveways, patios, footings, and walls. Includes reinforcement requirements and project planning guide.

Roofing Calculator

Calculate roofing materials, costs, and project estimates for different roof types and materials. Professional roofing calculator with waste factors and labor costs.

Mulch Calculator

Calculate mulch quantities, coverage, and costs for landscaping projects. Professional mulch calculator with different mulch types, depths, and cost comparisons.

Automotive & Transportation

Vehicle-related calculations and automotive tools

Mileage Calculator

Calculate fuel efficiency, trip costs, and compare vehicle mileage. Professional MPG calculator with fuel cost analysis, vehicle comparisons, and efficiency recommendations.

Tire Size Calculator

Calculate tire specifications, compare tire sizes, and find equivalent dimensions. Convert between tire formats, analyze speedometer error, and get fitment recommendations for your vehicle.

Fuel Cost Calculator

Calculate and compare fuel costs for trips, vehicles, and annual expenses. Compare gasoline, diesel, electric, and hybrid vehicles with carbon footprint analysis.

Gas Mileage Calculator

Track fuel efficiency, calculate trip costs, and optimize your vehicle gas mileage. MPG calculator with fuel tracking, trip planning, and efficiency tips.

Electrical & Technical

Electrical, network, and technical calculators

IP Subnet Calculator

Calculate network subnets, host ranges, CIDR notation, and subnet information for IP addresses. Essential tool for network administrators and IT professionals.

Voltage Drop Calculator

Calculate voltage drop in electrical circuits with NEC code compliance checking. Professional tool for electricians and engineers with wire sizing recommendations.

Ohms Law Calculator

Calculate voltage, current, resistance, and power using Ohms Law and electrical formulas. Professional tool with circuit analysis, safety warnings, and wire sizing recommendations.

Bandwidth Calculator

Calculate network bandwidth requirements, data transfer times, and internet speed needs. Plan network capacity for streaming, gaming, video conferencing, and file transfers.

Resistor Calculator

Calculate resistor values from color codes, determine resistance in series and parallel configurations, and find power dissipation for electrical circuits.

Electricity Calculator

Calculate electrical values using Ohm's Law, energy costs, wire sizing, and power factor analysis. Professional electrical engineering calculator with comprehensive formulas.

Specialized Tools

Unique calculators for specific needs and industries

GPA Calculator

Calculate your Grade Point Average with course credits, grades, and target GPA planning. Supports 4.0, 5.0, and 10.0 grading scales with academic standing classifications.

Password Generator

Generate secure, cryptographically strong passwords with customizable options. Create unique passwords with various character types, length options, and security features.

GDP Calculator

Calculate Gross Domestic Product using expenditure, income, or production approaches. Comprehensive GDP calculator with economic growth analysis, real vs nominal GDP, and international comparisons.

Horsepower Calculator

Calculate engine horsepower using torque, RPM, power efficiency, speed, and engine specifications. Professional tool for automotive, marine, and industrial applications.

Molecular Weight Calculator

Calculate molecular weight, molar mass, and perform molar calculations for chemical compounds. Professional chemistry calculator with elemental breakdown and solution calculations.

Golf Handicap Calculator

Calculate your USGA Golf Handicap Index, Course Handicap, and Playing Handicap. Track golf scores, analyze improvement trends, and get personalized recommendations for better performance.

Heat Index Calculator

Calculate the heat index (apparent temperature) from temperature and humidity. Get heat safety warnings, health risks, and safety recommendations for hot weather conditions.

Grade Calculator

Calculate your course grade with weighted categories, predict final grades, and analyze grade distribution. Support for multiple grading scales and what-if scenarios.

Bra Size Calculator

Find your perfect bra size with professional measurement methods. Convert between US, UK, and EU sizes, find sister sizes, and get personalized fit advice.

Dice Roller

Roll dice for tabletop games, D&D, probability experiments, and decision making. Support for d4, d6, d8, d10, d12, d20, d100, advantage, disadvantage, and custom dice.

BTU Calculator

Calculate British Thermal Units for heating, cooling, room sizing, and energy conversions. HVAC sizing, water heater BTU, heat pump calculations, and energy unit conversions.

Love Calculator

Discover your compatibility and relationship potential with our fun love calculator. Calculate compatibility percentage between two names using multiple algorithms.

Tip Calculator

Calculate tips, split bills, and determine total costs with various tip percentages and service quality options. Professional tip calculator with bill splitting features.

Molarity Calculator

Calculate molarity, moles, volume, and mass for chemical solutions. Includes dilution calculations, common compound database, and comprehensive chemistry formulas.

Wind Chill Calculator

Calculate wind chill temperatures and get safety recommendations for cold weather conditions. Professional weather calculator with frostbite warnings and clothing guidelines.

Dew Point Calculator

Calculate dew point temperature, relative humidity, and analyze comfort conditions with weather predictions. Professional meteorology calculator with comfort guidelines and weather forecasting.

Why Choose Our Specialized Calculators?

Industry Standard

Professional-grade calculations used across various industries

Time Saving

Quick and accurate results for complex calculations

Versatile

Wide range of tools for different needs and applications

User-Friendly

Simple interfaces with clear instructions and explanations