Numbers Made
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ModernCalculate your monthly mortgage payment, total interest, and the full amortization schedule based on loan amount, rate, and term.

ModernEstimate your monthly car payment and total loan cost based on price, down payment, interest rate, and loan term.

TimelessSee how your savings grow with compound interest over time. Adjust principal, rate, compounding frequency, and years.

EverydayQuickly compute the tip amount and per-person share for any bill total and tip percentage.

ModernAdd or remove sales tax from a purchase price. Useful for budgeting and expense tracking.

ModernConvert between hourly, daily, weekly, monthly, and annual salary figures.

ModernCalculate monthly payments, total interest, and total cost for a fixed-rate personal loan.

GoalCalculate how much you need to save each month to reach your savings target with compound interest.

ClassicCalculate your Body Mass Index using either metric or imperial units, with a clear category reading.

EssentialEstimate how many calories your body burns at rest using the Mifflin-St Jeor equation.

FitnessEstimate body fat percentage using the US Navy method based on key body measurements.

FitnessEstimate your total daily energy expenditure (TDEE) based on age, gender, height, weight, and activity level.

ParentingCalculate your estimated due date, current week, and trimester based on the first day of your last menstrual period.

WellnessEstimate your ideal body weight using four different medical formulas (Devine, Robinson, Miller, Hamwi) based on height and gender.

NutritionCalculate your daily macronutrient needs — protein, fats, and carbs — based on your BMR, activity level, and fitness goals.

FitnessCalculate your running pace per km or mile, or find out how long a run will take at a given pace. Perfect for race planning and training.

EssentialCalculate percentages easily — find what percent one number is of another, or apply a percentage to a number.

UtilityGenerate cryptographically random numbers within a range, with optional decimal support.

StatisticalCompute the mean, variance, and standard deviation (population & sample) for a list of numbers.

ClassicPerform arithmetic on fractions with automatic simplification to lowest terms.

GeometricCalculate the area, perimeter, and angles of a triangle given its three side lengths.

GeometricCompute a circle's area, circumference, and diameter from any one known value.

DigitalConvert numbers between binary (base-2), octal (base-8), decimal (base-10), and hexadecimal (base-16) numbering systems.

PhysicsCalculate voltage, current, resistance, and power using Ohm's Law. Enter any two values to find the others.

EssentialCalculate your exact age in years, months, days, weeks, and total days between any two dates.

PlanningFind the number of days, weeks, and months between any two calendar dates.

SecurityGenerate secure, cryptographically random passwords with custom character sets and length.

AcademicCalculate your GPA on a 4.0 scale by entering your courses, grades, and credit hours.

DIYEstimate concrete volume in cubic yards, cubic meters, and number of bags needed.

UtilityConvert between hundreds of units across length, weight, temperature, volume, speed, and area categories.

ProductivityCalculate the exact duration between two times. Perfect for work hours, shift planning, and time tracking.

TravelCalculate the fuel cost for any trip based on distance, fuel efficiency, and local fuel prices. Plan your travel budget.