Free Online Tools for Everyone

EToolHub offers a collection of free, easy-to-use calculators and tools for health, finance, education, and everyday tasks.

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Popular Tools

BMI Calculator

Calculate your Body Mass Index based on height and weight

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Loan Calculator

Calculate monthly payments, interest, and total cost of loans

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Unit Converter

Convert between different units of measurement

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Health Tools

Calculate and track your health metrics

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BMI Calculator

Calculate your Body Mass Index

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Calorie Calculator

Estimate your daily calorie needs

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Pregnancy Calculator

Track pregnancy weeks and due date

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Finance Tools

Make informed financial decisions

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Loan Calculator

Calculate loan payments and interest

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Mortgage Calculator

Estimate mortgage payments

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Tax Calculator

Estimate your tax liability

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Education Tools

Helpful calculators for students and educators

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Unit Converter

Convert between different units of measurement

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Percentage Calculator

Calculate percentages easily

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Grade Calculator

Calculate your final grade

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Utility Tools

Everyday calculators for common tasks

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Age Calculator

Calculate age between two dates

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Date Calculator

Calculate days between dates

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Tip Calculator

Calculate tips for restaurants

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Data Tools

Process and convert data formats

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CSV to Excel Converter

Convert CSV files to Excel format

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JSON Formatter

Format and validate JSON data

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