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Calculate exact age in years, months, days, and total time units from a birth date.
Work out percentages, percentage change, and what X% of Y is.
Calculate Body Mass Index with metric and imperial units and health category.
Compute monthly loan EMI, total interest and amortization breakdown.
Estimate monthly payment, total cost and interest for any loan.
Find the final price and amount saved after a percentage discount.
Calculate gross profit, margin % and markup from cost and revenue.
Add or remove GST/VAT and see net, tax and gross amounts.
Project compound interest growth with flexible compounding frequency.
Calculate return on investment, net profit and annualized ROI.
Convert salary between hourly, daily, weekly, monthly and yearly.