All Tools at a Glance

Why calculate percentages online?

From discount math to sales-tax breakdowns, the free percent calculator eliminates typing errors and shows results instantly – ideal for budgeting and shopping.

Fast way to generate a QR code?

Paste a URL, text or vCard; the QR code generator (no ads) spits out a high-res PNG in seconds – perfect for menus, flyers or Wi-Fi labels.

Should I track my BMI & calorie needs?

The combined BMI calculator with calorie estimator shows if your weight is healthy and how many calories you burn daily (TDEE) – useful for weight-loss or muscle-gain plans.

How a loan payment calculator helps

Enter principal, interest, term – the tool returns monthly payment, total cost and total interest, so you spot the cheapest mortgage in minutes.

Convert units in one click

Whether you need to convert cm to inch or Celsius to Fahrenheit, the responsive unit converter provides precise answers for DIY, cooking or travel without memorizing formulas.

Welcome to Quick-Calc – a growing hub of practical, intuitive free online calculators. As a media-informatics student I noticed how handy lightweight tools are for everyday math, so I built Quick-Calc to offer fast & precise calculations online without clutter or paywalls.

You’ll already find a fast percentage calculator, BMI & calorie checker, a flexible loan calculator, and more. Coming soon: an ovulation calculator, severance calculator, vacation-days tracker and other niche tools – all free to use.

Have an idea for a tool that’s missing? Drop me a line: [loading e-mail].

Quick-Calc is a passion project – thanks for being part of it!