Industry-Specific

  • Amdahl's Law Speedup Calculator
    Calculate theoretical speedup with Amdahl's Law. Enter the parallel fraction and processor count to find overall speedup, max speedup, and efficiency.
  • Conduit Fill Calculator (NEC)
    Calculate conduit fill percentage and check it against US NEC limits (53% for 1 wire, 31% for 2, 40% for 3+ wires) using wire and conduit areas.
  • Concrete Slab Cost Calculator
    Estimate the cost to pour a concrete slab from length, width and thickness. Adds material, labor and finishing for a fast total project price.
  • Economic Order Quantity (EOQ) Calculator
    Calculate the optimal Economic Order Quantity (EOQ) to minimize total inventory costs. Enter annual demand, ordering cost, and holding cost.
  • Asphalt Driveway Cost Calculator
    Estimate the cost to pave an asphalt driveway from length, width, thickness, density, price per ton, and labor. Get tons of asphalt and total cost instantly.
  • Rectangular Room Square Footage Calculator
    Calculate the square footage of a rectangular room instantly. Enter length and width in feet to get area in sq ft, sq yards, and sq meters.
  • Rectangular Carpet Cost Calculator
    Estimate the cost of carpeting a rectangular room. Enter length, width and price per square metre to get total floor area and carpet cost instantly.
  • Rectangular Wall Area Calculator
    Calculate the area of a rectangular wall from its length and height, then subtract doors and windows to get the net paintable or tileable area in m².
  • Car Lease Payment Calculator
    Estimate your monthly car lease payment from cap cost, residual value, money factor and term. Breaks out depreciation, finance fee and tax (US method).
  • Car Sales Tax Calculator
    Estimate sales tax on a car purchase including trade-in credit and fees. See the tax due and your total out-the-door price instantly.
  • Video Bitrate Calculator from Target File Size
    Calculate the video bitrate needed to fit a clip into a target file size. Enter MB and duration to get kbps, with optional audio bitrate subtraction.
  • Screen Size from Diagonal Calculator
    Convert a TV or monitor diagonal size and aspect ratio into real screen width, height and area. Supports 16:9, 21:9, 4:3 and any custom ratio.
  • Cloud Cost Savings Percentage Calculator
    Calculate the percentage you save on cloud costs after optimization. Enter your old and new monthly bills to see savings percentage and annual total.
  • Password Entropy Calculator
    Calculate password entropy in bits from length and character set. Estimate how strong and hard to crack your password is using log2 of the charset size.
  • Network Latency from Distance Calculator
    Estimate one-way and round-trip network latency (RTT) from physical distance over fiber optic cable using the speed of light and a velocity factor.
  • MPH to KPH Converter
    Convert miles per hour (mph) to kilometers per hour (km/h) instantly. Accurate vehicle speed conversion using the exact 1.609344 factor.
  • Tire Plus Sizing Calculator
    Compare two tire sizes for plus sizing. Calculate overall diameter, circumference, and the percentage difference to keep your speedometer accurate.
  • Cloud Data Egress Cost Calculator
    Estimate cloud data egress (outbound transfer) charges. Enter GB transferred, free tier, and price per GB to see your billable data and total cost.
  • Coolant Mix Ratio Calculator
    Calculate how much antifreeze concentrate and water you need for any total coolant volume and desired concentration. Get exact liters and the mix ratio.
  • Towing Capacity Calculator
    Calculate your maximum safe trailer weight by subtracting your loaded truck weight from the GCWR. Free, fast towing capacity calculator.
  • Horsepower from Quarter-Mile Calculator
    Estimate engine horsepower from quarter-mile trap speed and vehicle weight using the Hale/Fox formula HP = weight × (mph/234)³. Free and instant.
  • Stopping Distance from Friction Calculator
    Calculate the stopping distance of a sliding object from its speed and friction coefficient using d = v²/(2·μ·g). Includes deceleration and stop time.
  • Tile Area Calculator
    Calculate how many tiles you need for a floor or wall. Enter room and tile dimensions plus a wastage allowance to get the exact tile count.
  • Carpet Area Calculator
    Calculate how many square yards of carpet you need from room length and width in feet, with an optional waste allowance for cuts and seams.

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