Miscellaneous

  • Bathroom Mirror Size Calculator
    Find the ideal bathroom mirror width and height for your vanity. Enter counter width, side gaps and wall height to get proportional mirror dimensions in inches.
  • Snap Score Calculator
    Estimate how fast your Snapchat score grows. Enter daily snaps sent, received and stories posted to project your future Snap Score over any number of days.
  • Price Per Linear Foot Calculator
    Calculate price per linear foot instantly. Divide total price by total length in feet to compare fencing, lumber, molding, fabric and trim costs.
  • Price per Ounce Calculator
    Calculate the price per ounce from a total price and weight. Compare unit prices instantly and find the best value when grocery shopping.
  • Basic Online Calculator with Memory
    Free online basic calculator that works like a handheld pocket calculator: four functions, memory keys (mc, mr, m+, m-), square root, percent, pi, power and rounding.
  • Price Per Square Inch Calculator
    Calculate the price per square inch of any item from its total price and dimensions. Compare unit costs of tiles, screens, panels, and prints fast.
  • Price per Weight Calculator
    Calculate the price per kilogram, gram, pound or ounce. Enter the total price and weight to find unit cost and compare value when shopping.
  • Baseball Hit-By-Pitch Rate (HBP per 9 Innings) Calculator
    Calculate a pitcher's hit-by-pitch rate per 9 innings (HBP/9). Enter innings pitched and batters hit; get the standard per-nine baseball stat instantly.
  • Baseball Games Behind (GB) Calculator
    Calculate Games Behind (GB) in baseball standings from each team's wins and losses. Standard MLB/NPB formula: GB = ((leader diff) - (trailer diff)) / 2.
  • Baseball ERA (Earned Run Average) Calculator
    Calculate a baseball pitcher's ERA (Earned Run Average) from innings pitched, partial-inning outs, and earned runs. Standard 9-inning ERA, rounded to 2 decimals.
  • Baseball Batting Average Calculator
    Calculate a baseball player's batting average from hits and at-bats. Hits divided by at-bats, rounded to 3 decimals (e.g. .300). Used in MLB, NPB worldwide.
  • Hijri to Gregorian Date Converter
    Convert Hijri (Islamic lunar) dates to the Gregorian calendar using the tabular method. Supports Standard, Kuwaiti and Fatimid leap-year rules over a chosen period.
  • EU to US Shoe Size Calculator
    Convert European (EU) shoe sizes to US sizes for men and women with this quick, easy linear conversion calculator. Get approximate US sizing instantly.
  • Bag Footprint Calculator
    Estimate the carbon footprint of plastic, paper, or cotton shopping bags. Compare CO₂e over reuses and weeks to find the greener choice.
  • Kaya Identity Calculator
    Estimate total CO₂ emissions with the Kaya identity from population, GDP per capita, energy intensity, and carbon intensity. Free online tool.
  • Bacon Curing Calculator
    Calculate the salt, Prague Powder #1 (cure #1) and sugar needed to dry-cure bacon for any pork belly weight, based on safe industry percentages.
  • Meat Footprint Calculator
    Calculate the carbon footprint (kg CO₂e) of beef, lamb, pork, chicken or fish. Multiply meat weight by its emission factor instantly.
  • Plastic Footprint Calculator
    Estimate your annual plastic footprint in kilograms from bottles, bags, cups, containers, straws and packaging. Free plastic waste calculator.
  • Taxi Fare Split Calculator (Per-Leg, Japan)
    Split a shared taxi fare fairly when riders are dropped off one by one. Each leg is divided among remaining passengers, rounded up to the nearest 10 yen (Japan).
  • Flight Carbon Footprint Calculator
    Estimate the CO₂ emissions of your flight by distance, cabin class, passengers and trip type. Free flight carbon footprint calculator with tree-offset estimate.
  • Carrying Capacity Calculator
    Calculate carrying capacity (K) by dividing total available resources by the resource use per individual. Free ecology and population biology tool.
  • CO₂ Breathing Emission Calculator
    Estimate how much CO₂ you exhale by breathing each day and year. Enter breaths per minute and CO₂ per breath to get kg of CO₂ produced.
  • Pizza Party Calculator
    Find out how many pizzas to order for your party. Enter guests, slices per person, and slices per pizza to get the exact number of pizzas needed.
  • Tea Brewing Calculator
    Calculate how many grams of tea leaves to use for any amount of water. Set your preferred strength per 100 ml for the perfect cup or pot every time.

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