일상 계산기

백분율을 즉시 계산합니다. 숫자의 X%, 증감률 등을 구합니다.

Calculate discounted price and savings instantly. Enter original price and discount percentage to get final price and amount saved.

Calculate tip amount and total bill. Split bill between people, add 15%, 18%, or 20% tip. Free restaurant tip calculator.

Calculate tax amount and total price. Add sales tax to any price. Supports custom tax rates for any region.

Calculate selling price from cost and markup percentage. Essential for retail pricing and profit margin planning.

Calculate profit margin from revenue and cost. Get margin percentage and profit amount for business analysis.