Financial Calculators
Mortgages, loans, investments, taxes, and more.
Mortgage Calculator Monthly payment, total interest, amortization Loan Calculator Personal loan payments and total cost Auto Loan Calculator Car payment with down payment & trade-in Compound Interest Calculator Growth over time with compounding frequency Investment Calculator Future value of investments with contributions Retirement Calculator Retirement savings projections Amortization Calculator Full loan amortization schedule Inflation Calculator Purchasing power over time Income Tax Calculator US federal income tax estimate Interest Calculator Simple interest on any principal Payment Calculator Solve for payment, rate, or term Salary Calculator Hourly to annual salary conversions Interest Rate Calculator Solve for unknown interest rate Sales Tax Calculator Price before or after sales tax Finance Calculator Time value of money (TVM)
Health & Fitness Calculators
BMI, calories, body composition, pregnancy, and pace.
BMI Calculator Body Mass Index from height & weight Calorie Calculator Daily calorie needs (TDEE) Body Fat Calculator Body fat % via Navy circumference method BMR Calculator Basal Metabolic Rate (calories at rest) Ideal Weight Calculator Target weight by multiple formulas Pace Calculator Running pace, speed, and finish time Pregnancy Calculator Pregnancy weeks and trimester Due Date Calculator Estimated due date from LMP Pregnancy Conception Calculator Estimated conception date
Math Calculators
Fractions, percentages, triangles, statistics, and more.
Scientific Calculator Expressions, derivatives, integrations Percentage Calculator Any percentage problem in three modes Fraction Calculator Add, subtract, multiply, divide fractions Triangle Calculator Sides, angles, and area via law of cosines Standard Deviation Calculator Mean, variance, and SD for data sets Random Number Generator Random integers or decimals in any range
Other Calculators
Age, dates, GPA, grades, passwords, subnets, and more.
Age Calculator Exact age in years, months, and days Date Calculator Days between two dates Time Calculator Add or subtract hours, minutes, seconds Hours Calculator Calculate total work hours from time ranges GPA Calculator Semester and cumulative GPA Grade Calculator Weighted grade average Concrete Calculator Concrete volume for slabs and columns Subnet Calculator CIDR, network range, and host count Password Generator Secure random passwords with custom criteria