💰 Finance Tools
High-value calculators for major financial decisions
Mortgage Calculator
How much house can you afford? Calculate monthly payments and full amortization schedules.
Try it free →Salary Take-Home Calculator
Calculate your net pay after federal tax, state tax, and FICA for all 50 US states.
Try it free →Investment Growth Calculator
See how compound interest grows your investments over 10, 20, or 30 years with interactive charts.
Try it free →Loan Calculator
Calculate monthly payments for auto, personal, or student loans. See the full amortization schedule.
Try it free →Freelancer Rate Calculator
Calculate the minimum hourly or project rate you need to charge to hit your income goal.
Try it free →Retirement Calculator
Find out when you can retire and if you're on track. Uses the 4% safe withdrawal rule.
Try it free →🏥 Health & Medical Tools
Trusted tools for health tracking and wellness planning
Pregnancy Due Date Calculator
Find your due date, current week, trimester, and weekly baby milestones from LMP, conception, or IVF date.
Try it free →Ovulation & Period Calculator
Track your fertile window, ovulation day, next period, and PMS window with a 3-month color calendar.
Try it free →Blood Pressure Tracker
Log blood pressure readings, get AHA classifications, and track trends over time with charts.
Try it free →Diabetes Risk Calculator
Assess your Type 2 diabetes risk using ADA guidelines and get a personalized action plan.
Try it free →Sleep Calculator
Find the best times to sleep or wake up based on 90-minute sleep cycles. Calculate your sleep debt.
Try it free →Body Fat Calculator
Calculate your body fat percentage using the US Navy formula or BMI method. Get fat mass and lean mass.
Try it free →Health Insurance Cost Estimator
Estimate your monthly premium and ACA subsidy eligibility based on income, household size, and age.
Try it free →Drug Interaction Checker
Check interactions between 2 or more medications or supplements using the FDA drug label database.
Try it free →🔧 General Tools
Everyday utilities that save you time
Age Calculator
Calculate your exact age in years, months, and days. Find days until your next birthday.
Try it free →Calorie Calculator
Calculate your daily calorie needs (TDEE) for weight loss, maintenance, or muscle gain.
Try it free →QR Code Generator
Generate and download QR codes for any URL or text instantly. No sign-up required.
Try it free →Password Generator
Generate strong, random passwords with custom length and character sets. Strength meter included.
Try it free →Discount Calculator
Calculate sale prices, percentage discounts, and final price after tax instantly.
Try it free →