Quick, accurate calculators for everyday decisions - finance, health, math & more.
Calculate monthly payments, total interest, and full amortization for your car loan.
Find your available equity and estimate monthly payments on a home equity loan.
Estimate your home equity line of credit payments during draw and repayment periods.
Calculate tax amounts and reverse-calculate pre-tax prices from any US state rate.
Calculate present value, future value, and total interest for annuities.
Estimate annuity payout amounts for a fixed term or how long a fixed payout will last.
Project investment growth with compound interest and regular contributions.
Convert any salary to hourly, weekly, monthly, and annual equivalent pay rates.
Calculate break-even point and savings from refinancing your mortgage.
Calculate the equivalent purchasing power of money across any years using U.S. CPI data from 1913 to 2024.
Get your full amortization schedule with monthly payment, total interest, and year-by-year breakdown.
Calculate your monthly loan payment for any term, or find out how long to pay off a loan with fixed payments.
Calculate compound interest growth with contributions, tax, and inflation adjustments. Full accumulation schedule included.
Find your debt-free date using the avalanche method. Model extra monthly, yearly, or one-time payments.
Compare your current debts to a consolidation loan. See monthly savings, total interest saved, and your payoff timeline.
Estimate your actual paycheck after federal income tax, Social Security, Medicare, state tax, and deductions.
Find out how much you need to retire, how much to save, how much to withdraw, and how long your money will last.
Compare Roth IRA growth vs. a taxable account. See projected balance, taxes saved, and a year-by-year schedule.
Calculate monthly payments, total interest, payoff date, and real APR for any personal loan. Includes full amortization schedule.
Calculate business loan payments, total interest, real APR, and full amortization schedule for any loan structure.
Calculate your body fat percentage, category, lean mass, fat mass, and ideal body fat for your age.
Calculate your Body Mass Index, BMI Prime, category, and healthy weight range.
Find your daily calorie needs based on BMR and activity level using Mifflin-St Jeor.
Calculate exact age in years, months, days, hours, minutes, and seconds.
Predict a child's adult height or check height percentile using CDC data.
Find your due date, gestational age, trimester, and full week-by-week pregnancy schedule.
Find the number of hours and minutes between two times or between two full dates.
Find the duration between two times or add/subtract time from a start time.
Add, subtract, multiply, or divide time values in days, hours, minutes, seconds.
Calculate running pace, speed, or finish time for any race distance.
Find the number of days between two dates, or add and subtract years, months, weeks, and days from any date.
Find network address, broadcast address, usable hosts, and more from any IP/CIDR.
Calculate trip fuel cost and required fuel for any distance, efficiency, and gas price.
Calculate dew point, relative humidity, or air temperature. Also shows absolute humidity and comfort level.