Free Online Calculators

Comprehensive collection of calculators for finance, math, fitness, and more. Calculate mortgage payments, BMI, percentages, and hundreds of other calculations.

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Use our built-in calculator for quick calculations. Switch between basic and scientific modes.

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Basic Calculator

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Calculator Categories

Finance

8 calculators

Mortgage, loan, investment, and tax calculators

Mortgage Calculator
Loan Calculator
Investment Calculator
Tax Calculator
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Math

5 calculators

Algebra, geometry, statistics, and scientific calculations

Percentage Calculator
Fraction Calculator
Scientific Calculator
Statistics Calculator
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Fitness & Health

8 calculators

BMI, calorie, workout, and health calculators

BMI Calculator
Calorie Calculator
Body Fat Calculator
TDEE Calculator
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Other

5 calculators

Date, time, conversion, and utility calculators

Date Calculator
Time Calculator
Unit Converter
Age Calculator
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Popular Calculators

Mortgage Calculator

Finance

Calculate monthly mortgage payments, total interest, and amortization schedule

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BMI Calculator

Fitness & Health

Calculate your Body Mass Index and determine your weight category

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Percentage Calculator

Math

Calculate percentages, percentage change, and percentage of a number

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Date Calculator

Other

Calculate days between dates, add or subtract days from a date

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Why Choose Our Calculators?

Accurate Calculations

All calculators are thoroughly tested and verified for accuracy. Get reliable results you can trust.

Fast & Easy

Simple, intuitive interfaces that make complex calculations quick and easy for everyone.

Free Forever

All calculators are completely free to use with no hidden fees, subscriptions, or limitations.

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