🧮 Scientific Calculator

Calculate your BMI using metric or imperial units. Instantly check if you are underweight, normal, overweight, or obese.

Calculate the hourly and day rate you need to hit your freelance income goals. Factor in expenses, billable hours, and profit margins.

Enter your date of birth to calculate your exact age in years, months, and days. Quick, simple, and accurate.

Convert between human and pet years instantly. Estimate the age of dogs, cats, rabbits, horses, parrots, and more using quick reference multipliers.

Work out tips quickly and split bills between people. Enter amount, tip %, and people to see per-person cost.

Calculate UK VAT at 20%. Add VAT to a net price or remove VAT from a gross price instantly.

Calculate loan repayments, monthly interest, and amortization schedules. Useful for mortgages and personal loans.

Calculate compound interest on savings or investments. Choose compounding frequency and growth duration.