Utility
Tools & Analytics
Everyday converters and quick calculators. Explore our suite of precision utility calculators.
Some calculations come up constantly — percentages, discounts, unit conversions, and quick everyday math. Calcuva's utility calculators handle the small but frequent tasks that don't deserve a spreadsheet. Convert units, work out a percentage change, apply a discount, generate a QR code, or run a quick scientific calculation, all in one place. These tools are intentionally fast and frictionless: open, type, done. Because they're used so often, every one is optimized to load instantly and work on mobile. Bookmark the ones you reach for most and keep them handy for school, work, shopping, and DIY projects where a fast, accurate answer saves real time.
Find the final price after a discount or coupon is applied.
Estimate the number of tiles and total cost needed for your flooring project.
Count business days between dates, excluding weekends.
Convert length, weight, speed and volume units.
Find a percentage of a number, what percent one number is of another, or the percentage change.
Measure the percentage rise or fall between two values.
Estimate the fuel cost of any trip from distance, efficiency and fuel price.
Generate random numbers, roll dice, or flip a coin instantly.
Create secure, random passwords instantly.
Estimate your annual carbon emissions and environmental impact.