Calculators
Financial, health, and math calculators
BMI Calculator
Calculate your Body Mass Index with visual BMI scale
Loan Calculator
Calculate monthly payments, interest, and amortization schedules
Compound Interest Calculator
Calculate compound interest with contributions and visual growth chart
Tip Calculator
Calculate tips, split bills, and round totals with tipping guide
Mortgage Calculator
Calculate mortgage payments with taxes, insurance, PMI, and amortization
Calorie Calculator
Calculate daily calories (TDEE/BMR) with macro breakdowns for your goals
Salary Calculator
Convert salary between hourly, weekly, monthly, and annual with tax estimates
Discount Calculator
Calculate sale prices, savings, and stack multiple discounts
GPA Calculator
Calculate semester and cumulative GPA with course management
Fuel Cost Calculator
Calculate trip fuel costs, annual expenses, and CO2 emissions
Square Footage Calculator
Calculate area for rectangles, circles, triangles, and rooms with cost estimates
Income Tax Calculator
Estimate US federal income tax with brackets, FICA, and take-home pay
Retirement Calculator
Estimate retirement savings, income, and how much to save monthly
Hourly to Salary Calculator
Convert hourly wage to annual salary with tax estimates and overtime
Electricity Cost Calculator
Calculate electricity costs for appliances with daily, monthly, and yearly estimates
Savings Goal Calculator
Calculate how long to reach your savings goal or how much to save monthly
Pregnancy Due Date Calculator
Calculate pregnancy due date, trimester timeline, and development milestones
Grade Calculator
Calculate weighted grades, GPA, and what you need on finals
Paycheck Calculator
Calculate take-home pay with federal tax, FICA, state tax, and deductions
Running Pace Calculator
Calculate running pace, finish time, or distance with split times
ROI Calculator
Calculate return on investment, annualized ROI, and compare investments