Financial, Health, and Everyday
Calculators
Financial calculators, health tools, and everyday math. Precise results, no signup.
Income
Loans
Loan Calculator
Calculate monthly loan payments with a full amortization schedule.
Auto Loan Calculator
Calculate car loan payments with trade-in and term comparison.
Car Payment Calculator
Estimate monthly car payments with price, down payment, and loan details.
Amortization Calculator
View a full loan amortization schedule with optional extra payments.
Down Payment Calculator
Calculate how much to save for a down payment and compare percentages.
Mortgage Calculator
Calculate monthly mortgage payments with taxes, insurance, PMI, and amortization schedule.
Credit & Debt
Savings & Investing
Savings Goal Calculator
Find out how much to save monthly to reach your financial goal.
Retirement Calculator
Project your retirement savings and estimated monthly retirement income.
Investment Return Calculator
Calculate future investment value with monthly contributions and compound growth.
Net Worth Calculator
Calculate your net worth by listing all assets and liabilities.
Compound Interest Calculator
See how investments grow over time. Visualize compound growth with a chart and yearly table.
Health & Lifestyle
Calorie Calculator (TDEE)
Calculate daily calories needed to lose, maintain, or gain weight.
Macro Calculator
Calculate daily protein, carbs, and fat grams for your calorie target.
Body Fat Calculator
Estimate body fat percentage using the Navy method or BMI formula.
BMI Calculator
Calculate Body Mass Index with a visual scale, healthy weight range, and BMI categories.
Due Date Calculator
Estimate your pregnancy due date and view milestone dates.
Ovulation Calculator
Predict your fertile window and ovulation dates for the next 3 months.
Ideal Weight Calculator
Compare ideal weight estimates from multiple medical formulas.
Calories Burned Calculator
Calculate calories burned for 29 activities using MET values.
Sleep Calculator
Find optimal bedtimes or wake times based on 90-minute sleep cycles.
Pace Calculator
Calculate running pace, finish time, or distance for any race.
Sports & Betting
General
Age Calculator
Calculate your exact age in years, months, days, hours, and minutes from your birthday.
GPA Calculator
Calculate semester and cumulative GPA. Add courses with credits and letter grades.
Percentage Calculator
Calculate percentages, percentage change, and what percent X is of Y.
Unit Converter
Convert between units of length, weight, temperature, volume, area, speed, and data.
Date Difference
Calculate days, weeks, and business days between any two dates.
Sales Tax Calculator
Calculate sales tax and total price, or reverse-calculate pre-tax price.
Tip Calculator
Calculate tips and split bills instantly. Quick presets for 15%, 18%, 20%, and more.
Discount Calculator
Find the sale price after any discount. Supports stacked discounts and reverse calculation.
Unit Converters
Length Converter
Convert between meters, feet, inches, miles, kilometers, and more.
Weight Converter
Convert between kilograms, pounds, ounces, grams, and stone.
Temperature Converter
Convert between Celsius, Fahrenheit, and Kelvin.
Volume Converter
Convert between liters, gallons, cups, fluid ounces, and more.
Cooking Converter
Convert between cups, tablespoons, teaspoons, ml, and fluid ounces.
Data Size Converter
Convert between bytes, KB, MB, GB, TB, and bits.
Speed Converter
Convert between mph, km/h, m/s, knots, and ft/s.
Area Converter
Convert between square meters, square feet, acres, and hectares.