CalcVertex

CalcVertex puts 14 powerful calculators in one clean, offline app — no internet required, no ads, no data collected.

FINANCE TOOLS
Calculate your monthly loan EMI with full interest breakdown. Find profit or loss on any transaction. Add GST or sales tax to any amount in seconds. Compare simple and compound interest side by side. Convert currencies using your own exchange rate — works offline anywhere in the world.

HEALTH TOOLS
Check your BMI and see your weight category instantly. Calculate calories burned for walking, running, cycling, swimming, yoga, and weight training. Find your daily water intake goal based on your weight and activity level.

MATH TOOLS
Calculate area and volume for circles, rectangles, triangles, squares, cubes, cylinders, and spheres. Work out percentages, percentage change, and ratios. Convert numbers between decimal, binary, octal, and hexadecimal bases instantly.

EVERYDAY TOOLS
Calculate your exact age in years, months, and days from your date of birth. Find the difference between any two dates in days, weeks, and months. Convert length, weight, and temperature between all major units.

HISTORY
Your last 20 calculations are saved automatically so you can always refer back to them.

KEY FEATURES
- No ads, no pop-ups, no interruptions
- No account or sign-up required
- Zero permissions — does not access your camera, location, contacts, or microphone
- Clean dark interface designed for speed and ease of use
- Copy any result to clipboard with one tap
- Smooth animations and instant calculations