Gear Tools
Data-driven calculators for runners, cyclists, golfers, gym athletes, and more. No login required.
New Tools
Recently AddedBasketball Size Finder
Match ball size and cover material to age, league context, hand size, and court surface before you buy.
Use FinderGolf Handicap Estimator
Calculate your USGA Handicap Index from recent scores and get equipment upgrade recommendations for your level.
Use CalculatorGolf Club Distance Calculator
Enter your driver distance to calculate expected yardages for all 14 clubs and identify gaps in your set.
Use CalculatorBackpacking Base Weight Calculator
Enter your gear list, calculate base weight, and find out if you are ultralight, lightweight, or traditional.
Use CalculatorBat Swing Speed & Exit Velocity Calculator
Open Tool →Soccer Cleat Fit Calculator
Open Tool →Hiking Pack Size Calculator
Open Tool →Swim Pace Calculator
Open Tool →String Tension Calculator
Open Tool →Paddle Selector
Open Tool →Snowboard Size Calculator
Open Tool →Ski Length Calculator
Open Tool →Popular Tools
Most UsedRunning Pace Calculator
Convert between pace, speed, and race finish times. Works for 5K, 10K, half, and full marathon.
Open Tool →VO2 Max Estimator
Estimate your aerobic capacity using field test data. Based on validated Cooper test protocols.
Open Tool →Golf Handicap Calculator
Calculate your World Handicap System index from your recent scorecards. Updated WHS formula.
Open Tool →FTP Calculator
Find your Functional Threshold Power from a 20-minute or ramp test and set your training zones.
Open Tool →1-Rep Max Calculator
Estimate your max strength from reps-at-weight using the Brzycki, Epley, or Lombardi formulas.
Open Tool →BMI Calculator
Calculate body mass index with context — including limitations and better alternatives for athletes.
Open Tool →Running & Endurance
Category 01Running Pace Calculator
Pace ↔ speed ↔ finish time across all race distances.
Open Tool →VO2 Max Estimator
Estimate aerobic capacity from field test data.
Open Tool →Race Time Predictor
Predict finish time at a new distance from a known result.
Open Tool →Running Shoe Finder
Match shoe type to gait, terrain, and training load.
Open Tool →Swim Pace Calculator
Convert swim pace per 100m to projected race times.
Open Tool →Calorie Burn Calculator
Estimate calories burned for running, cycling, and more.
Open Tool →Cycling
Category 02FTP Calculator
Functional Threshold Power from 20-min or ramp test data.
Open Tool →Power-to-Weight Ratio
Calculate your W/kg and understand where you sit vs. categories.
Open Tool →Gear Ratio Calculator
Calculate speed at cadence across all chainring/cog combinations.
Open Tool →Bike Frame Size Calculator
Find the right road or mountain bike frame size from your measurements.
Open Tool →Cycling Calorie & Nutrition Calculator
Calories burned, on-bike carb targets, hydration needs, and post-ride protein.
Open Tool →Golf
Category 03Golf Handicap Calculator
WHS handicap index from your recent scorecards.
Open Tool →Shaft Flex Selector
Match shaft flex to swing speed for optimal launch conditions.
Open Tool →Club Distance Calculator
Estimate carry and total distances for each club in your bag.
Open Tool →Driver Loft Optimizer
Find the ideal driver loft for your swing speed and attack angle.
Open Tool →Gym & Fitness
Category 041-Rep Max Calculator
Estimate your max from any rep count using multiple formulas.
Open Tool →BMI Calculator
BMI with real context for athletes — and better metrics to track.
Open Tool →Calorie Burn Calculator
Calories burned across 30+ sports and activities.
Open Tool →Home Gym Budget Planner
Build your ideal home gym within any budget with a prioritized equipment list.
Open Tool →Snow Sports
Category 05Ski Length Calculator
Right ski length based on height, weight, ability, and terrain preference.
Open Tool →Snowboard Size Calculator
Ideal board length and width for your body and riding style.
Open Tool →Lacrosse Helmet Rating Lookup
Virginia Tech STAR ratings for popular lacrosse helmets — buy or avoid?
Open Tool →Snowboard Profile Selector
4 questions to find your ideal rocker, camber, flat, or hybrid profile.
Open Tool →Avalanche Safety Checklist
Personalized gear checklist for resort, sidecountry, and backcountry trips.
Open Tool →Racket Sports
Category 06String Tension Calculator
Optimal string tension based on racket specs, string type, and play style.
Open Tool →Pickleball Paddle Selector
Find the right paddle weight, grip, and core for your game.
Open Tool →Tennis Racket Finder Quiz
Find your ideal racket specs from playing level, style, and arm sensitivity.
Open Tool →Shoe Rotation Planner
Build your ideal shoe rotation from weekly mileage, race goal, and surface mix.
Open Tool →Ski Boot Flex Calculator
Find your ideal ski boot flex from skill level, weight, style, and age.
Open Tool →Golf Ball Selector Quiz
Find your ideal golf ball from swing speed, handicap, priority, and budget.
Open Tool →Sources & Further Reading
Reviewed May 29, 2026. This tools hub is maintained against current rules, public health references, and fit guidance used across the individual calculators.