Automotive & Travel
Horsepower Calculator (1/4 Mile)
Estimate engine horsepower from vehicle weight and 1/4 mile trap speed or elapsed time.
Search Calculators
Business
Inventory Turnover Calculator
Measure how efficiently you sell and replace inventory with this key business metric calcu…
Tech & Computing
IP Subnet & CIDR Calculator
Instantly calculate subnet masks, network addresses, usable IP ranges, and CIDR notation f…
Health
Macronutrient Calculator
Calculate your ideal daily protein, carbs, and fat intake based on your goals and body sta…
Finance
Margin & Markup Calculator
Instantly calculate profit margin and markup percentages for any product or service.
Education
Pomodoro Study Calculator
Plan your study sessions with the Pomodoro Technique. Calculate work intervals, breaks, an…
Tech & Computing
RAID Storage Capacity Calculator
Instantly calculate total usable storage capacity for any RAID level based on drive count …
Real Estate
Rental Yield Calculator
Instantly calculate your property's annual rental income as a percentage of its value.
Finance
ROI Calculator – Return on Investment
ROI Calculator – Return on Investment
Everyday
Word & Character Counter
Instantly count words, characters, sentences, and paragraphs in your text. Perfect for wri…
Science
Work & Power Calculator
Instantly calculate work done and power output using force, distance, and time.