Industry-Specific

  • Square Feet to Linear Feet Calculator
    Convert square feet to linear feet by board width. Estimate how much flooring, decking, or lumber you need in linear feet quickly and accurately.
  • Trailer Tongue Weight Calculator
    Calculate trailer tongue weight from loaded trailer weight and hitch load percentage. Check the recommended 10-15% range for safe, sway-free towing.
  • Total Stopping Distance Calculator
    Calculate total stopping distance from speed, reaction time and road friction. Adds reaction (thinking) distance plus braking distance in metres.
  • Braking Distance Calculator
    Calculate vehicle braking distance from speed, road friction coefficient and gravity. Find how many meters or feet it takes to stop using physics.
  • Fuel Tank Range Calculator
    Estimate how far you can drive on a full tank. Enter tank capacity and fuel economy (MPG or km/L) to get your maximum range in miles or km.
  • RPM from Speed Calculator
    Calculate engine RPM from vehicle speed, transmission gear ratio, axle ratio, and tire diameter using the standard 336 constant formula.
  • Number of Tiles to Cover a Rectangle Calculator
    Calculate how many rectangular tiles you need to cover a rectangular floor or wall, including a waste allowance for cuts and breakage.
  • Rectangle Fence Cost Calculator
    Estimate the cost to fence a rectangular yard. Enter length, width, and price per foot to get the perimeter and total fencing material cost instantly.
  • Rectangle Square Footage Cost Calculator
    Calculate the total cost of a rectangular area by multiplying its square footage (length × width) by your price per square foot. Fast and free.
  • Hosts per Subnet Calculator
    Calculate the number of usable host IP addresses per subnet from a CIDR prefix length (/8 to /32). Fast IPv4 subnetting host count tool.
  • Car Payment Affordability Calculator
    Find the maximum car price you can afford from your monthly budget, down payment, APR, and loan term. See financed loan amount and total interest.
  • MPG to L/100km Converter
    Convert miles per gallon (US or Imperial) to liters per 100 km instantly. Free MPG to L/100km fuel economy calculator with formula and examples.
  • Room Perimeter Calculator for Baseboard & Trim
    Calculate the perimeter of a rectangular room and the linear feet of baseboard or trim you need, minus doorways and plus a waste allowance.
  • Feet and Inches Fraction Calculator
    Convert feet, inches and a fraction into total inches and total feet, then back into a clean feet-inches-fraction reading rounded to 1/2 to 1/32.
  • Roof Pitch Area Multiplier Calculator
    Calculate actual roof surface area from footprint and pitch. Find the slope multiplier factor for any rise/run pitch like 6/12 or 12/12 instantly.
  • Ceiling Area Calculator
    Calculate ceiling area in square feet from length and width. Get square footage plus square meters and square yards for paint or tile estimates.
  • Gravel Coverage Area Calculator
    Calculate how much gravel you need for a project. Enter area, depth, and density to get volume in cubic feet, cubic yards, and tons.
  • Company Car Benefit-in-Kind (BIK) Tax Calculator (UK)
    UK company car tax calculator. Enter P11D price, CO₂ BIK percentage and your income tax band to find your annual and monthly benefit-in-kind tax.
  • EV vs Gas Cost Comparison Calculator
    Compare the cost of charging an electric vehicle against fueling a gas car. Estimate your savings per trip, month, or year by driving electric.
  • Floor Area Calculator
    Calculate floor area and square footage instantly. Enter length and width to get area in square feet, square meters, and square yards.
  • Swimming Pool Surface Area Calculator
    Calculate the water surface area of a rectangular swimming pool from its length and width. Get results in square feet and square meters instantly.
  • Air-Fuel Ratio (AFR) Calculator
    Convert lambda (λ) to air-fuel ratio (AFR) for gasoline, ethanol, diesel and more. Find rich, lean or stoichiometric mixtures instantly.
  • Lawn Fertilizer Calculator
    Calculate how much fertilizer to apply to your lawn based on area, target nitrogen rate, and the nitrogen percentage in your fertilizer bag.
  • Fertilizer Calculator Per Acre
    Calculate how much fertilizer product to apply per acre and for your whole field from a target nutrient rate and the fertilizer analysis (% nutrient).

Categories