Calculators

Quick math for finance, health, home, and everyday life.

Calculate exact age in years, months, and days.

Calculate percentages, increases, and decreases.

Calculate Body Mass Index from height and weight.

Work out the tip and split a bill between people.

Estimate monthly payments and total interest on a loan.

Estimate fuel cost for a trip from distance, efficiency, and fuel price.

Estimate daily calorie needs from age, weight, height, and activity level.

Calculate the sale price after a discount, or the original price before one.

Work out a suggested hourly rate from your income goal, working days, and expenses.

Compare how a principal grows under simple and compound interest over time.

Estimate the volume and bags of concrete needed for a slab or footing.

Estimate how much paint you need for a room based on wall area and coverage rate.

Estimate how much tile or flooring material you need, including waste allowance.

Estimate your monthly mortgage payment, including taxes and insurance, with a full amortization schedule.

Project a SIP and lump-sum investment month by month, with editable per-month contributions, returns, and an actual-vs-projected net worth chart.