Free Online Calculators - Percentage, Unit, Text & More
Gaming Calculators & Tools
Gaming calculators for loot tables, drop rates, damage, and probability. Visualize game mechanics and plan strategies.
General Calculators - Age, Percentage, Tips
Essential everyday calculators for age, percentages, tips, and salary conversions. Free online calculators with instant results.
Network Calculators - IP, Subnet & Bandwidth
Calculate IP subnets, CIDR ranges, bandwidth requirements, and network metrics. Essential tools for network administrators.
Storage & RAID Calculators
Calculate RAID capacity, usable space, and redundancy. Plan storage arrays with accurate capacity and performance estimates.
Text & Character Calculators
Calculate SMS length, character counts, word counts, and text statistics. Optimize messages for SMS marketing and avoid unexpected costs.
Unit Calculators - Length, Weight, Temperature
Convert units instantly. Inches to cm, kg to lbs, Celsius to Fahrenheit and more. Fast, accurate conversions in your browser.
Answers in Seconds
Some calculations need specialized formulas. How many SMS messages will your text use? What's the reading time for your article? How much storage does your RAID setup actually provide? These calculators handle the complexity so you don't have to.
For Everyday Life
Tips and bills — Calculate appropriate tips, split bills among friends, figure out percentages for discounts and taxes.
Ages and dates — Calculate exact age, time between dates, or countdown to events.
For Content Creators
Text metrics — Check SMS segment counts before sending, estimate reading time for articles, analyze word frequency for SEO.
Character limits — Stay within Twitter, Instagram bio, and other platform limits.
For IT Professionals
Storage planning — Calculate RAID array capacity, backup storage needs, and cloud cost estimates.
Network math — Subnet calculations, bandwidth requirements, and IP address planning.
Live Results
Results update instantly as you type — no "calculate" button to press. Experiment with different values and see how they affect the outcome.