Everyday Calculators

Tip splitter, unit converter, BMI, age calculator, percentage tools, and more — for the math you need in daily life.

All Everyday Calculators

Tip splitter, percentage calculator, unit converter, and more — free everyday tools for the math you need in daily life. No account needed.

Tip Calculator
Split a restaurant bill and calculate tip amounts for any party size and tip percentage.
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Percentage Calculator
Find a percentage of a number, calculate percentage change, or find what percent X is of Y.
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Unit Converter
Convert between metric and imperial units for length, weight, volume, area, temperature, and speed.
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BMI Calculator
Calculate your Body Mass Index and find your healthy weight range in both imperial and metric units.
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Age Calculator
Calculate your exact age in years, months, and days from any birthdate to today or a target date.
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Calorie Calculator
Estimate your daily calorie needs, BMR, and macro targets based on age, height, weight, and activity level.
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GPA Calculator
Calculate your GPA from letter grades or percentage scores across any number of courses.
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Fuel Cost Calculator
Estimate your trip fuel cost based on distance, MPG, and current gas price.
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Sleep Cycle Calculator
Find the best time to wake up or go to sleep based on 90-minute sleep cycle intervals.
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