Free Online Calculators
40+ fast, accurate calculators for mortgages, car loans, BMI, calories, percentages, GPA, and everyday math — all running right in your browser. No app download or sign-up.
Popular: Mortgage, BMI, Car Loan, Calorie / TDEE, Percentage, Currency
Try the full Scientific Calculator →
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Jump straight to the tools you need most.
Financial Calculators
Mortgage, loan, retirement, tax, and investment calculators to help you plan, borrow, and save with confidence.
View all 15 →Fitness & Health Calculators
BMI, calorie, body fat, and pregnancy calculators to help you understand and reach your health goals.
View all 9 →Math Calculators
Scientific, fraction, percentage, and statistics calculators for school, work, and everyday problem-solving.
- Scientific Calculator
- Fraction Calculator
- Percentage Calculator
- Random Number Generator
- Triangle Calculator
Other Calculators
Age, date, time, grade, and everyday utility calculators that don't fit neatly anywhere else.
View all 10 →Converters
Currency, temperature, length, and weight converters for fast everyday unit changes.
- Currency Converter
- USD to PKR Converter
- Euro to Dollar Converter
- USD to CAD Converter
- Dollar to Rupee Converter
Quick Converters
Currency, temperature, length, and weight in one fast hub.
Currency Converter
Search by code or alias, swap instantly, and copy live rates.
Temperature Converter
Celsius, Fahrenheit, and Kelvin with formula hints.
Length Converter
Centimeters, inches, kilometers, miles, meters, feet, and more.
Weight Converter
Kilograms, pounds, grams, and ounces with instant results.
All Calculators
Every tool on Calculator Elite, grouped and filterable.
Mortgage Calculator
Estimate your monthly mortgage payment, including taxes and insurance.
Loan Calculator
Calculate monthly payments and total interest on any loan.
Auto Loan Calculator
Figure out your monthly car payment and total loan cost.
Interest Calculator
Calculate simple interest earned or owed on a balance.
Payment Calculator
Find your fixed monthly payment for any loan amount.
Retirement Calculator
Project your retirement savings and income needs.
Amortization Calculator
See a full payment-by-payment loan payoff schedule.
Investment Calculator
Project how your investments grow with regular contributions.
Inflation Calculator
See how inflation changes the value of money over time.
Finance Calculator
Solve for present value, future value, rate, or payment.
Income Tax Calculator
Estimate your federal income tax and effective tax rate.
Compound Interest Calculator
See how interest compounds over time on savings or debt.
Salary Calculator
Convert your salary between hourly, weekly, and annual pay.
Interest Rate Calculator
Find the interest rate on a loan or investment.
Sales Tax Calculator
Calculate sales tax and total price on a purchase.
BMI Calculator
Check your Body Mass Index from height and weight.
Calorie Calculator
Estimate your daily calorie needs to lose, gain, or maintain weight.
Body Fat Calculator
Estimate your body fat percentage using body measurements.
BMR Calculator
Find your Basal Metabolic Rate, the calories you burn at rest.
Ideal Weight Calculator
Estimate a healthy target weight range for your height.
Pace Calculator
Calculate running pace, time, or distance for training and races.
Pregnancy Calculator
Track pregnancy week-by-week from your last period.
Pregnancy Conception Calculator
Estimate your likely conception date from your due date.
Due Date Calculator
Estimate your baby's due date from your last period or conception.
Scientific Calculator
A full-featured calculator with trig, log, and exponent functions.
Fraction Calculator
Add, subtract, multiply, and divide fractions with steps.
Percentage Calculator
Solve any percentage, percent change, or ratio problem.
Random Number Generator
Generate random numbers within any range, with or without repeats.
Triangle Calculator
Solve for sides, angles, and area of any triangle.
Standard Deviation Calculator
Calculate mean, variance, and standard deviation of a data set.
Age Calculator
Find your exact age in years, months, and days.
Date Calculator
Add or subtract days from a date, or find days between dates.
Time Calculator
Add or subtract hours, minutes, and seconds.
Hours Calculator
Calculate total hours worked between two times, with breaks.
GPA Calculator
Calculate your grade point average from course grades and credits.
Grade Calculator
Find your weighted average grade or what you need on a final.
Concrete Calculator
Estimate the concrete volume and bags needed for a project.
Subnet Calculator
Calculate IPv4 subnet ranges, masks, and usable host counts.
Password Generator
Generate strong, random, and secure passwords.
Conversion Calculator
Convert length, weight, temperature, and volume units.
PDF Compressor
Compress a PDF file with our shared API — one update ships to every brand.