Smart Tools Daily
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Explore our complete collection of free online calculators and utilities. Each tool is designed to be fast, private, and easy to use.

📅

Date & Time

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Age Calculator

Calculate your exact age in years, months, and days from any birth date.

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Birthday Countdown

See exactly how many days, hours, and minutes until your next birthday arrives.

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How Many Days Until

Count down the days until any future date you choose.

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Days Between Dates

Calculate the exact number of days between any two dates.

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Health & Fitness

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BMI Calculator

Check your Body Mass Index instantly and see which health category you fall into.

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Water Intake Calculator

Find out how much water you should drink daily based on your weight and activity level.

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Ideal Sleep Time Calculator

Calculate your ideal bedtime or wake-up time based on sleep cycles for better mornings.

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🎓

Education

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GPA Calculator

Enter your courses, credits, and grades to calculate your GPA on a 4.0 scale.

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🔢

Everyday Math

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Percentage Calculator

Calculate percentages, percent change, and differences between numbers quickly.

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Unit Converter

Convert units for length, weight, temperature, area, volume, speed, time, and data instantly.

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⚡

Fun & Tests

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Reaction Time Test

Test your reaction speed and compare it to the average human response time.

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Love Compatibility Calculator

Calculate love compatibility between two names and get a fun relationship score.

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