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Calculators

Financial, mathematical, health, date, and percentage calculation tools.

Calculate percentage change, percentage of a number, and relative proportions.

Calculate arithmetic mean, median, mode, and range for a dataset.

Calculate exact age in years, months, days, hours, and total leap years.

Calculate the duration and total working days between two dates.

Calculate hours, minutes, and seconds elapsed between two time values.

Calculate Body Mass Index (BMI) and health category according to WHO.

Calculate final sale prices, total savings, and percentage discounts.

Calculate bill tips and split totals evenly across multiple people.

Calculate monthly mortgage or loan payments, total interest, and schedule.

Calculate compound interest growth over time with annual contribution rates.

Calculate simple interest yield and final payout for principal investments.

Calculate gross profit margin, net margin, and markup percentage.

Calculate sales tax, VAT, income tax brackets, and net price calculations.

Add, subtract, multiply, and divide proper and improper fractions.

Solve for unknown ratio values and simplify proportional fractions.