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Percentage Calculator

Percent of, percent change, and reverse percentage.

Tip Calculator

Split the bill and calculate tip per person.

Discount Calculator

Find the sale price after any percentage discount.

GST / VAT Calculator

Add or remove tax from any amount instantly.

Health Calculator

BMI, ideal body weight, and daily calorie needs in one place.

Compound Interest

Future value with contributions and compounding.

Mortgage Calculator

Monthly payment with taxes, insurance, PMI, HOA, and full amortization.

Loan EMI Calculator

Monthly payment with amortization summary.

Scientific Calculator

Roots, powers, factorials, combinations, and logarithms.

Fraction Calculator

Add, subtract, multiply, and divide fractions.

Ratio Calculator

Simplify ratios and solve proportions.

Geometry Calculator

Triangle area, perimeter, Pythagorean theorem, and circle calculations.

Statistics Calculator

Mean, median, mode, range, and standard deviation.

GPA Calculator

Calculate GPA from letter grades and credit hours.

Tax Calculator

Estimate 2024 US federal income tax, effective rate, and take-home pay.

Car Loan Calculator

Monthly car payment with down payment, trade-in, and sales tax.

Graphing Calculator

Plot any math function — polynomials, trig, logs, and more.

Length Converter

Convert meters, km, miles, feet, inches and more.

Weight Converter

Convert kg, lb, oz, grams, and more.

Temperature Converter

Convert between Celsius, Fahrenheit, and Kelvin.

Speed Converter

Convert mph, km/h, m/s, knots and more.

Area Converter

Convert square meters, feet, acres, hectares.

Data Storage Converter

Convert bits, bytes, KB, MB, GB, and TB.

Volume Converter

Convert liters, gallons, cups, fluid ounces, and more.

Time Converter

Convert seconds, minutes, hours, days, weeks, and years.

Pressure Converter

Convert Pa, bar, psi, atm, mmHg, and more.

Energy Converter

Convert joules, calories, kWh, BTU, and more.

Fuel Economy Converter

Convert mpg, L/100km, km/L and more.

Date Difference

Find difference between two dates in days & weeks.