Free Online Calculators
Fast, free calculators for money, health, math and everyday life. No sign-up β pick a tool and get your answer in seconds.
Most Popular Calculators
The tools visitors use the most β quick answers to everyday questions.
π Mortgage Calculator
Monthly payment, total interest and lifetime cost of a home loan.
Open calculator βπ° Loan Calculator
Monthly payment and total interest for any amortizing loan.
Open calculator ββοΈ BMI Calculator
Body Mass Index from height and weight, with category.
Open calculator βπ₯ Calorie Calculator
Daily calorie needs (TDEE) from the Mifflin-St Jeor equation.
Open calculator βπ΅ Tip Calculator
Tip amount, total bill and fair split between diners.
Open calculator β% Percentage Calculator
Percent of a number, what-percent, and percent change.
Open calculator βπ Age Calculator
Exact age in years, months and days from a birthdate.
Open calculator βπ¦ Volume Calculator
Volume of boxes, cylinders, spheres and more.
Open calculator βπ Area Calculator
Area of rectangles, triangles, circles and more.
Open calculator βπ·οΈ Discount Calculator
Sale price and savings from any discount percent.
Open calculator βFinancial Calculators
Loans, mortgages, investing, taxes and everyday money math.
π Mortgage Calculator
Monthly payment, total interest and lifetime cost of a home loan.
Open calculator βπ° Loan Calculator
Monthly payment and total interest for any amortizing loan.
Open calculator βπ Auto Loan Calculator
Monthly car payment from price, down payment and trade-in.
Open calculator βπ Interest Calculator
Simple interest earned or owed over any time period.
Open calculator βπ§Ύ Payment Calculator
What will the monthly payment be on any loan amount?
Open calculator βποΈ Retirement Calculator
Project your savings at retirement age from monthly contributions.
Open calculator βπ Amortization Calculator
Year-by-year schedule of principal vs interest on a loan.
Open calculator βπΉ Investment Calculator
Future value of a lump sum plus regular contributions.
Open calculator βπ Inflation Calculator
What will money be worth after years of inflation?
Open calculator ββ³ Finance Calculator
Time value of money: grow a present value into the future.
Open calculator βποΈ Income Tax Calculator
Estimate income tax for USA, UK, Pakistan, India, Canada and Australia.
Open calculator βπ« Compound Interest Calculator
Watch savings snowball with compounding and monthly deposits.
Open calculator βπΌ Salary Calculator
Convert pay between hourly, weekly, monthly and annual.
Open calculator βπ Interest Rate Calculator
What annual return turns your present sum into your goal?
Open calculator βπ§Ύ Sales Tax Calculator
Add or extract sales tax / VAT from any price.
Open calculator βπ΅ Tip Calculator
Tip amount, total bill and fair split between diners.
Open calculator βπ·οΈ Discount Calculator
Sale price and savings from any discount percent.
Open calculator βπ Profit Margin Calculator
Profit, margin and markup from cost and selling price.
Open calculator βFitness & Health Calculators
BMI, calories, body fat, pregnancy and training metrics.
βοΈ BMI Calculator
Body Mass Index from height and weight, with category.
Open calculator βπ₯ Calorie Calculator
Daily calorie needs (TDEE) from the Mifflin-St Jeor equation.
Open calculator βπ Body Fat Calculator
Body fat percentage via the U.S. Navy tape-measure method.
Open calculator β𧬠BMR Calculator
Basal Metabolic Rate: calories burned at complete rest.
Open calculator ββοΈ Ideal Weight Calculator
Healthy weight range from four classic medical formulas.
Open calculator βπ Pace Calculator
Running pace and speed from distance and time.
Open calculator βπΆ Pregnancy Calculator
Due date and current week from your last period.
Open calculator βπ Pregnancy Conception Calculator
Estimate conception date from a known due date.
Open calculator βπ Due Date Calculator
Due date from conception or IVF transfer date.
Open calculator βMath Calculators
Scientific, fractions, percentages, statistics and more.
π’ Scientific Calculator
Full scientific calculator: trig, logs, powers, factorials.
Open calculator βΒ½ Fraction Calculator
Add, subtract, multiply and divide fractions, simplified.
Open calculator β% Percentage Calculator
Percent of a number, what-percent, and percent change.
Open calculator βπ² Random Number Generator
Random integers in any range, with optional uniqueness.
Open calculator ββ³ Triangle Calculator
Area, perimeter and type from three side lengths.
Open calculator βΟ Standard Deviation Calculator
Mean, variance and standard deviation of any dataset.
Open calculator βπ¦ Volume Calculator
Volume of boxes, cylinders, spheres and more.
Open calculator βπ Area Calculator
Area of rectangles, triangles, circles and more.
Open calculator ββοΈ Proportion Calculator
Solve a/b = c/d for the missing value.
Open calculator βπ Slope Calculator
Slope, intercept and equation of a line from two points.
Open calculator βOther Calculators
Dates, time, grades, concrete, networking and handy tools.
π Age Calculator
Exact age in years, months and days from a birthdate.
Open calculator βπ Date Calculator
Days between dates, or add/subtract days from a date.
Open calculator ββ° Time Calculator
Duration between times, or add/subtract time spans.
Open calculator ββ Hours Calculator
Weekly work hours from daily clock-in / clock-out times.
Open calculator βπ GPA Calculator
Semester GPA from course grades and credit hours.
Open calculator βπ Grade Calculator
What final-exam score do you need for your target grade?
Open calculator β𧱠Concrete Calculator
Concrete volume and bags needed for any slab.
Open calculator βπ Subnet Calculator
Network, broadcast, mask and host range from IP + CIDR.
Open calculator βπ Password Generator
Strong random passwords with cryptographic randomness.
Open calculator ββ Conversion Calculator
Convert length, weight and temperature units instantly.
Open calculator β