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Category 05 of 12 · Bench press and dunk

Sports Calculators

Sports calculators help you train smarter and understand your numbers: estimate your one-rep max, find the vertical jump you need to dunk, choose the right bike size, set cycling and rowing paces, count walking calories, work out batting averages and estimate the weight of a fish you released.

Each page shows the formula behind the result, so you can compare sessions and track progress consistently.

8live calculators
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01Strength and jumping

Estimate your max and the jump you need. · 2 live

Live

Bench Press Calculator

Estimate your bench press one-rep max from weight and reps (Epley formula) and get training percentages in kg.

Live

Dunk Calculator

Enter your height, standing reach and vertical jump to see your max reach and how close you are to touching.

02Running, cycling, rowing and walking

Sizes, paces and calories for endurance training. · 4 live

Live

Bike Size Calculator

Find your road, mountain, hybrid or kids' bike size from height and inseam.

Live

Bike Pace Calculator

Convert cycling speed to pace (min/km or min/mile), solve for ride time or distance.

Live

Erg Calculator

Convert your rowing machine split to watts and back, solve for time or distance, and predict 2k and 5k times.

Live

Walking Calorie Calculator

Estimate calories burned walking from your weight, speed, time or steps, and incline.

03Team sports and fishing

Statistics and estimates for players and anglers. · 2 live

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Batting Average Calculator

Calculate batting average for baseball and softball (hits ÷ at-bats) or cricket (runs ÷ dismissals), plus OBP.

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Fish Weight Calculator

Estimate a fish's weight without a scale from length and girth (L × G² ÷ 800), in pounds or kilograms.

Quick guide

Which calculator do I need?

Match what you’re trying to do with the right tool.

If you’re…Planning a strength programme
UseBench Press Calculator
If you’re…Training to dunk
UseDunk Calculator
If you’re…Buying a bike
UseBike Size Calculator; planning a ride → Bike Pace Calculator
If you’re…Indoor rowing
UseErg Calculator
If you’re…Counting steps and calories
UseWalking Calorie Calculator
If you’re…Baseball, softball or cricket stats
UseBatting Average Calculator

How we build and check these calculators

Every calculator on Tuff Search shows the formula or method it uses, a worked example and its limits, and lists its sources where facts matter. Health, money and legal-rule pages are checked against official or peer-reviewed sources and dated. Read how we build and review calculators in our Editorial Policy.

FAQ

Frequently asked questions

Short answers about the sports calculators.

Need a calculator we don’t have?

We add new calculators regularly. Email suggestions@tuffsearch.com with the calculation you need.

New calculator ideassuggestions@tuffsearch.com

Only with a spotter and good technique. Estimating your max from a set of 3–10 reps, as the Bench Press Calculator does, is safer for most people.

They use MET values from the 2024 Compendium of Physical Activities. Individual energy use can differ by 10–20% or more.

Yes. Distance and speed can be entered in miles or kilometres.

Yes. Choose cricket to calculate runs per dismissal and strike rate.

In Health Calculators: the Navy PRT and ACFT (Army Fitness Test) calculators.

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