Free Online Calculator Collection
Over 66 free calculators for math, finance, health, unit conversion and more. No download required.
๐ฅ Popular Calculators
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Standard Calculator
Basic arithmetic operations
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Scientific Calculator
Trig, logarithms, and more
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BMI Calculator
Check if your weight is healthy
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Loan Calculator
Equal payment / equal principal
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Mortgage Calculator
Calculate monthly mortgage payments
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Percentage Calculator
Various percentage calculations
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Age Calculator
Calculate your exact age
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Temperature Converter
Celsius / Fahrenheit / Kelvin
๐ All Categories
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Basic
2 tools
Essential everyday calculators
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Math
14 tools
Mathematical calculation tools
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Financial
14 tools
Loan, investment, and tax calculators
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Payroll
2 tools
Salary, hourly wage, and payroll tools
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Credit & Loans
4 tools
Auto loans, student loans, credit cards
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Health
9 tools
Health and fitness calculators
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Pregnancy
3 tools
Pregnancy and fertility calculators
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Date & Time
5 tools
Date, time, and age calculators
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Converter
9 tools
Unit conversion tools
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Other
4 tools
Useful online tools