Calculators that just work
Smart, clean calculators for everyday life.
Mortgage
Estimate your monthly home payment and total cost
Loan
Plan payments and interest for any personal loan
BMI
Check your body mass index from height and weight
Age
Find your exact age in years, months, and days
Date Difference
Calculate days and weeks between dates
Tip
Quickly split restaurant bills and tips
Business Days
Count workdays excluding weekends and holidays
About QuickCalc
QuickCalc offers a growing collection of free online calculators designed for everyday use. Each tool runs instantly in your browser, prioritizing privacy with no sign‑ups or data storage.
Looking to understand the math behind the numbers? Browse our calculator guides or check the FAQ for quick answers.