About These Calculators
Sports calculators for golfers, bowlers, and athletes. Calculate handicap indexes and performance metrics.
Sports Calculators
16 toolsBowling Handicap Calculator
Calculate your bowling handicap and adjusted scores
Golf Handicap Calculator
Calculate your golf handicap index from recent round scores
Batting Average Calculator
Calculate batting average from hits and at-bats
ERA Calculator
Calculate earned run average for pitchers
Quarterback Rating Calculator
Calculate NFL passer rating from game stats
Fantasy Football Points Calculator
Calculate projected fantasy points from player stats
Swimming Pace Calculator
Calculate swimming pace per 100m from time and distance
Boxing Reach Calculator
Calculate your boxing reach advantage, ape index, and optimal fighting distance
Cycling Power Output Calculator
Calculate cycling power output, watts per kilo, and climbing speed
Lacrosse Shot Speed Calculator
Estimate lacrosse shot speed based on stick speed, technique, and ball energy
Baseball ERA Calculator
Calculate a pitcher's earned run average
Basketball PER Calculator
Calculate Player Efficiency Rating for basketball
Football QB Rating Calculator
Calculate quarterback passer rating
Golf Handicap Index Calculator
Calculate your golf handicap index
Cycling Power-to-Weight Calculator
Calculate your watts per kilogram for cycling performance
March Madness Bracket Calculator
Calculate bracket pool value, odds, and expected winnings for NCAA tournament pools
Frequently Asked Questions
Are these sports calculators free?
Yes, all 16 calculators are completely free with no signup required. They run entirely in your browser — no data is sent to any server.
How accurate are these calculators?
Our calculators use industry-standard formulas and are regularly updated. However, they provide estimates — always verify critical calculations with a professional in the relevant field.
Can I use these calculators on my phone?
Yes, all calculators are mobile-responsive and work on any device with a web browser. No app download needed.
Do you save my calculations?
No. All calculations happen in your browser. We don't store any of your inputs or results. Your data stays on your device.
Can I embed these calculators on my website?
Select calculators offer embed codes that you can copy and paste into your website or blog. Look for the "Embed This Calculator" section on individual tool pages.