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GintiCalc · Sports & More

Sports & hobby calculators

Elo ratings, handicaps, batting averages, photography math, and betting odds — calculators for every hobby.

Chess Elo Rating Calculator

GameCalc

Calculate your new Elo rating after a chess game based on opponent rating and result.

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Golf Handicap Calculator

GameCalc

Estimate your golf handicap index from a single round's score, course rating, and slope.

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Bowling Average Calculator

GameCalc

Calculate your bowling average from total pins and games bowled.

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Batting Average Calculator

GameCalc

Calculate baseball batting average from hits and at-bats.

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On-Base Percentage Calculator

GameCalc

Calculate OBP from hits, walks, hit-by-pitch, at-bats, and sacrifice flies.

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ERA Calculator

GameCalc

Calculate earned run average for a pitcher from earned runs and innings pitched.

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NFL Passer Rating Calculator

GameCalc

Calculate NFL passer rating from completions, attempts, yards, touchdowns, and interceptions.

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Swimming Pace Calculator

GameCalc

Calculate your swimming pace per 100 meters from total distance and time.

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Sports Betting Payout Calculator

OddsCalc

Calculate payout, profit, and implied probability from American odds and stake.

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Parlay Calculator

OddsCalc

Calculate parlay payout from multiple legs with American odds.

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Lottery Odds Calculator

OddsCalc

Calculate the odds of winning a lottery by choosing k numbers from n total.

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Depth of Field Calculator

LensCalc

Calculate near limit, far limit, and total depth of field from focal length, aperture, and subject distance.

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Crop Factor Calculator

LensCalc

Calculate crop factor from sensor dimensions and find the full-frame equivalent focal length.

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Field of View Calculator

LensCalc

Calculate horizontal, vertical, and diagonal field of view from focal length and sensor size.

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Megapixel Calculator

LensCalc

Calculate megapixels and aspect ratio from image width and height in pixels.

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Focal Length Equivalent Calculator

LensCalc

Convert a lens focal length to its 35mm full-frame equivalent using the crop factor.

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Brewing ABV Calculator

BrewCalc

Calculate alcohol by volume from original and final gravity readings.

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Typing Speed Calculator

PaceCalc

Calculate gross WPM, net WPM, and accuracy from characters typed, time, and errors.

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Speaking Time Calculator

PaceCalc

Estimate how long it will take to speak a given number of words at your speaking pace.

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Fantasy Football Points Calculator

GameCalc

Convert passing, rushing, and receiving stats into fantasy points in standard, half-PPR, or full-PPR scoring.

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Cycling Power Calculator

PaceCalc

Estimate the watts needed to hold a given speed, accounting for gradient, rolling resistance, and aerodynamic drag.

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Triathlon Time Calculator

PaceCalc

Add swim, bike, run, and both transitions to project your total triathlon finishing time.

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Poker Odds Calculator

OddsCalc

Convert your number of outs into the probability of completing your draw on the turn, the river, or both.

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Roulette Odds Calculator

OddsCalc

Compare win probability, payout, and house edge across roulette bet types on European and American wheels.

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Billiard Handicap Calculator

GameCalc

Set a fair race length for two pool players of different skill levels.

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Coin Toss Probability Calculator

OddsCalc

Find the chance of getting exactly or at least a given number of heads in a run of fair coin flips.

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Dice Roll Probability Calculator

OddsCalc

Calculate the probability of rolling any target total with any number of dice and any number of sides.

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D&D Dice Roller

GameCalc

Roll any dice combination with a modifier and see the individual dice, the total, and the statistical average.

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RPG Point Buy Calculator

GameCalc

Cost out a D&D 5e point-buy ability spread and see the resulting modifiers and points remaining.

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MTG Mana Calculator

GameCalc

Find the probability of drawing enough lands in your opening hand using hypergeometric distribution.

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Shutter Speed Calculator

LensCalc

Find the slowest handheld shutter speed for your focal length using the reciprocal rule, including stabilization.

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Hyperfocal Distance Calculator

LensCalc

Find the focus distance that keeps everything from half that distance to infinity acceptably sharp.

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Print Size Calculator

LensCalc

Convert image pixel dimensions into physical print size at any DPI, in both inches and centimetres.

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Projector Throw Distance Calculator

LensCalc

Work out how far to place a projector from the screen for a given image size and throw ratio.

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Telescope Magnification Calculator

LensCalc

Calculate telescope magnification, focal ratio, exit pupil, and the maximum useful magnification for your aperture.

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Time-Lapse Calculator

LensCalc

Work out clip length, frame count, and speed-up factor from your shooting duration and interval.

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Yeast Pitch Rate Calculator

BrewCalc

Calculate how many yeast cells and packs your batch needs based on volume, gravity, and target pitch rate.

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