Free Everyday Calculators — %, Tip, BMI & BMR
Quick calculators for the numbers you use every day. Work out a percentage or percentage change, split a tip, apply a discount, check BMI, or estimate BMR and daily calorie needs. Type a value and the result updates instantly — no account, no sign-up, no downloads. Health results are population-based planning estimates, not medical advice.
Everyday tools
Percentage Calculator
Find a percentage of any number.
Open calculatorPercentage Change Calculator
Calculate percentage increase or decrease.
Open calculatorTip Calculator
Tip amount and total bill, including split.
Open calculatorDiscount Calculator
Final price after a percentage discount.
Open calculatorBMI Calculator
Body mass index and weight category.
Open calculatorBMR & Calorie Calculator
Estimate BMR and daily calorie needs.
Open calculator