Calculators
Financial, BMI, and nutrition calculators
BMI Calculator
Calculate your Body Mass Index (BMI) based on height and weight
Nutrition Calculator
Calculate calories and macronutrients based on body composition and activity
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Mortgage Calculator
Monthly mortgage payment with taxes, insurance, PMI and amortization
Loan Calculator
Monthly loan payment with total interest and amortization
Auto Loan Calculator
Monthly car payment with down payment, trade-in, tax and fees
Compound Interest Calculator
Future value of savings with compounding and contributions
Simple Interest Calculator
Interest and total with linear simple interest plus effective APR
Retirement / 401k Calculator
Future 401k balance with employer match plus contributions-vs-growth split
Salary to Hourly / Paycheck Calculator
Hourly rate from salary plus paycheck gross and take-home estimate
Income Tax Calculator (2025, Single Filer)
2025 federal tax estimate with bracket breakdown
Sales Tax / VAT Calculator
Add/remove sales tax & VAT with receipt totals
Tip + Bill Split Calculator
Tip calculator with bill splitting
Discount, Margin & Markup Calculator
Percent-off and margin/markup calculator
APR Calculator: Nominal, Effective & True APR
Nominal, effective & true APR calculator
Future Value Calculator: Growth, Present Value & Time to Goal
Future & present value calculator
Debt Payoff Calculator: Avalanche vs Snowball
Debt and credit-card payoff calculator
Savings & CD Calculator: APY Growth
Savings and CD growth calculator
Investment ROI & CAGR Calculator: Solve the Return
ROI, CAGR and holding-period return calculator
Calorie / TDEE Calculator
Estimate maintenance calories and a calorie-deficit target
One-Rep Max Calculator
Estimate one-rep max from weight and reps
Percentage Calculator
Calculate percentages, increases and decreases
Percent Change Calculator
Calculate percentage increase or decrease
Average, Median and Mode Calculator
Calculate mean, median, modes and range
Grade Calculator
Calculate weighted grades and the final-exam score you need
Logarithm Calculator
Calculate logarithms with a custom base
Exponent and Root Calculator
Calculate powers and real roots
Age Calculator
Calculate exact calendar age and the next birthday
Date Calculator
Find days between dates or add and subtract time
Time Duration Calculator
Find elapsed time and add or subtract hours and minutes
Work Hours and Timesheet Calculator
Total work hours, breaks, overtime and estimated pay
Time to Decimal Converter
Convert H:MM durations and decimal hours