Miscellaneous

  • Mean, Median & Mode Calculator
    Free Mean, Median & Mode Calculator. Enter a list of numbers to instantly find the average, median, mode, sum, count and range of your data set.
  • Julian–Gregorian Calendar Date Conversion Calculator
    Convert any date between the proleptic Julian and Gregorian calendars via the Julian Day Number. Supports AD/CE and BC/BCE eras with exact integer math.
  • Easter Date and Related Movable Feasts Calculator
    Calculate the date of Easter Sunday for any year 1583-4099: Western (Gregorian) and Eastern (Orthodox) Easter plus Lent, Pentecost and other movable feasts.
  • Sofa Size Calculator
    Find the ideal sofa width for your room. Enter room width and seat width to get recommended couch size, seat count, and remaining clearance.
  • How Many Tables Calculator
    Find out how many tables you need for any event. Enter guest count and seats per table to instantly get tables needed, total seats, and empty seats.
  • Sunglasses Size Calculator
    Calculate sunglasses frame width from lens, bridge and temple measurements, then check the fit against your face width in millimeters.
  • Tipsy Drink Amount Calculator
    Estimate how much of a drink (by ABV and your body weight) to reach and hold a pleasant tipsy buzz for N hours. Novelty estimate only — not a legal/medical limit.
  • Sock Size Calculator
    Convert your US shoe size to the right sock size. Enter men's or women's shoe size to get the matching small/medium/large sock range.
  • Jeans Size Calculator
    Find your jeans size from waist and inseam measurements. Get your W x L (US/UK) plus the approximate EU waist size in inches or centimeters.
  • Jacket Size Calculator
    Convert your chest measurement to a US/UK and EU jacket size. Enter chest in inches or cm to find your suit, blazer, or coat size instantly.
  • Hat Size Calculator
    Convert your head circumference (inches or cm) into a US fitted hat size and EU size instantly. US size = circumference ÷ π, rounded to 1/8.
  • Percent Off Calculator
    Calculate the discounted price with this Percent Off Calculator. Input the original price and discount percentage to instantly determine your savings and final cost.
  • Dress Size Calculator
    Estimate your dress size from bust, waist and hip measurements. Get approximate US, UK and EU sizes in inches or centimeters instantly.
  • Glove Size Calculator
    Find your glove size from your hand circumference in inches or cm. Get numeric and letter (XS–XXL) sizes instantly with this free calculator.
  • Antipode Calculator
    Find the antipode — the exact point on the opposite side of the Earth — from any latitude and longitude. Instant antipodal coordinates.
  • Speed Unit Conversion Calculator
    Convert any speed value into m/s, km/h, fps, mph, knots, Mach and the speed of light at once. Free, high-precision speed unit conversion calculator.
  • Length Unit Conversion Calculator
    Convert any length into 36 units at once: metric, imperial/US, Japanese shakkanho (sun, shaku, ken, ri) and astronomical units (AU, light-year, parsec).
  • Weight / Mass Unit Conversion Calculator
    Convert weight and mass between metric, yard-pound (avoirdupois) and traditional Japanese units. Enter a value and unit to see all 20 conversions instantly.
  • Grain Conversion Calculator
    Convert grains to grams and grams to grains instantly using the exact factor 1 grain = 0.06479891 g. Free, accurate mass conversion tool.
  • Mizuwari Dilution Calculator
    Calculate how much liquor and water to mix for a water-cut "mizuwari" drink. Enter target strength, total volume and spirit ABV to get exact ml.
  • Diluted Drink (Mizuwari) Alcohol Percentage Calculator
    Calculate the final ABV and total volume of a water-diluted drink (mizuwari) from the liquor volume, its strength, and the amount of water added.
  • Mizuwari Dilution Calculator
    Work out how much water to add to whisky or shochu to dilute it to your target strength. Calculates water needed and the total mizuwari volume.
  • Metric to Inches Calculator
    Convert metric length (millimeters) to inches instantly. Enter millimeters to get inches plus centimeters and meters using inches = mm / 25.4.
  • Mile Conversion Calculator
    Convert miles to kilometers, meters, yards, and feet instantly. Enter any distance in miles and get accurate metric and imperial conversions.

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