Calculators
PX to REM, aspect ratio, ROI, percentage, and math calculators
Available Calculators
Body Mass Index (BMI) Calculator
Calculate Body Mass Index (BMI) using Metric or Imperial units with health category classification.
Percentage Calculator & Ratio Tool
Solve common percentage math questions: % of a number, percentage increase/decrease, and X is what % of Y.
Loan & EMI Payment Calculator
Calculate monthly loan EMI payments, total interest payable, and amortization breakdown.
Aspect Ratio Calculator
Calculate responsive image and video dimensions based on standard aspect ratios (16:9, 4:3, 21:9).
Exact Age & Birthday Countdown Calculator
Calculate exact age in years, months, days, total hours/minutes, and next birthday countdown.
GST / Sales Tax Calculator
Calculate Goods & Services Tax (GST) for exclusive (Add GST) and inclusive (Remove GST) amounts.
Shopping Discount & Savings Calculator
Calculate final price, total savings, and effective percentage with primary and extra stackable coupon discounts.
Loan Payment & Amortization Calculator
Calculate monthly loan payments, total cumulative interest, and yearly amortization schedule summary.
Tip & Bill Split Calculator
Calculate restaurant tip amounts and split total bills evenly between multiple people.
Scientific Calculator
Full-featured web scientific calculator supporting trigonometric functions, logarithms, exponents, and history.
Binary & Number Base Converter
Convert numbers between Binary (Base 2), Octal (Base 8), Decimal (Base 10), and Hexadecimal (Base 16).
Universal Unit Converter
Convert units for Length, Weight, Temperature, Area, Volume, Speed, and Data Storage.
Compound Interest & Savings Calculator
Calculate investment growth, compound interest, annual returns, and savings projections.
Mortgage Monthly Payment Estimator
Estimate monthly mortgage payments based on loan and interest rate.