Math & Basic
Essential mathematical and arithmetic calculators
Math Calculator
Basic arithmetic calculations with advanced functions
Scientific Calculator
Advanced scientific and trigonometric calculations
Fraction Calculator
Add, subtract, multiply, and divide fractions
Percent Calculator
Calculate percentages, increases, and decreases
Average Calculator
Find mean, median, mode, and range of numbers
Ratio Calculator
Simplify ratios and find equivalent ratios
Discount Calculator
Calculate discounts, sale prices, and savings
Triangle Calculator
Calculate triangle area, perimeter, and angles
Health & Fitness
Tools for health, fitness, and nutrition calculations
BMI Calculator
Calculate Body Mass Index and health category
BMR Calculator
Calculate Basal Metabolic Rate and daily calorie needs
Calorie Calculator
Calculate daily calorie needs for weight goals
Macro Calculator
Calculate macronutrient ratios for your diet
Body Fat Calculator
Estimate body fat percentage using various methods
One Rep Max Calculator
Calculate your one-rep maximum for weightlifting
Pace Calculator
Calculate running pace, time, and distance
Sleep Calculator
Find optimal sleep and wake times for better rest
Time & Date
Date, time, and duration calculation tools
Age Calculator
Calculate your exact age in years, months, and days
Date Calculator
Add or subtract days, weeks, months from dates
Due Date Calculator
Calculate pregnancy due date and milestones
Hours Calculator
Calculate hours between times and time duration
Day Counter
Count days between dates or from today
Measurement & Conversion
Convert and calculate various measurements
Business & Finance
Business and financial calculation tools
Technology
Technical and computing calculators
Fashion & Apparel
Fashion and clothing size calculators
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