Free Calculators for Everything
Simple, fast, and accurate calculators for finance, home projects, health, cooking, and everyday life. No signup required.
Financial Calculators
Mortgage Calculator
Calculate monthly payments, total interest, and amortization schedule
Loan Calculator
Calculate payments for any type of loan
Compound Interest
See how your investments grow over time
Tip Calculator
Calculate tips and split bills among groups
Salary to Hourly
Convert between salary and hourly wage
Freelance Rate Calculator
Calculate your ideal freelance hourly rate
Savings Goal Calculator
Plan how to reach your savings target
Debt Payoff Calculator
Create a plan to become debt-free
Retirement Calculator
Plan for a comfortable retirement
Rent vs Buy
Should you rent or buy a home?
Emergency Fund Calculator
How much should you save for emergencies?
Inflation Calculator
See how inflation affects purchasing power
Home & DIY Calculators
Paint Calculator
How much paint do you need for a room?
Fence Calculator
Calculate fencing materials needed
Flooring Calculator
Calculate flooring materials for any room
Concrete Calculator
How many bags of concrete do you need?
Wallpaper Calculator
Calculate wallpaper rolls needed
Tile Calculator
How many tiles for your project?
Mulch & Soil Calculator
Calculate mulch or soil for your garden
Deck Calculator
Estimate deck materials and cost
Drywall Calculator
Calculate drywall sheets needed
Roofing Calculator
Estimate roofing materials
Electricity Cost Calculator
Calculate appliance running costs
BTU Calculator
What size AC or heater do you need?
Health & Fitness Calculators
BMI Calculator
Calculate your Body Mass Index
Calorie Calculator
Daily calorie needs based on your goals
Body Fat Calculator
Estimate your body fat percentage
Ideal Weight Calculator
Find your ideal body weight range
Macro Calculator
Calculate protein, carbs, and fat needs
Water Intake Calculator
How much water should you drink daily?
Pregnancy Due Date
Calculate your estimated due date
Sleep Calculator
Find the best time to sleep or wake up
Running Pace Calculator
Calculate pace, time, or distance
One Rep Max Calculator
Estimate your maximum lift weight
Auto & Vehicle Calculators
Gas Mileage Calculator
Calculate your vehicle's MPG
Trip Fuel Cost
Estimate fuel costs for a road trip
Car Loan Calculator
Calculate auto loan payments
Car Lease Calculator
Estimate monthly lease payments
EV Savings Calculator
Compare EV vs gas car costs
Car Depreciation
See how your car loses value over time
Tire Size Calculator
Compare tire sizes and speedometer error
How Much Car Can I Afford?
Find your ideal car budget
Cooking & Kitchen Calculators
Recipe Scaler
Scale recipes up or down
Cooking Unit Converter
Convert cups, tablespoons, grams, etc.
Meat Cooking Time
Perfect cooking times for any meat
Pizza Dough Calculator
Calculate ingredients for perfect pizza dough
Coffee to Water Ratio
Brew the perfect cup of coffee
Baking Pan Converter
Convert between different pan sizes
Alcohol Dilution Calculator
Calculate how to dilute spirits
Party Food Calculator
How much food for your guests?
Time & Date Calculators
Age Calculator
Calculate exact age in years, months, days
Date Difference
Days between two dates
Time Zone Converter
Convert time between zones
Countdown Calculator
Days until a specific date
Work Hours Calculator
Calculate hours worked and overtime
Time Add/Subtract
Add or subtract time from a date
Math & Conversion Calculators
Percentage Calculator
Calculate percentages easily
Unit Converter
Convert length, weight, volume, etc.
Fraction Calculator
Add, subtract, multiply fractions
GPA Calculator
Calculate your grade point average
Area Calculator
Calculate area of any shape
Volume Calculator
Calculate volume of 3D shapes
Random Number Generator
Generate random numbers in a range
Scientific Calculator
Advanced mathematical calculations
Pet & Lifestyle Calculators
Business & Work Calculators
Profit Margin Calculator
Calculate gross and net profit margins
Markup Calculator
Calculate selling price from cost
Break-Even Calculator
When will you start making profit?
ROI Calculator
Calculate return on investment
Discount Calculator
Calculate sale price and savings
VAT/Sales Tax Calculator
Add or remove VAT/tax from prices