Fitness & Sports
226 tools · page 4 of 4
- Sprint Acceleration Calculator From a standing start, compute average acceleration and final speed from distance and time.
- Sprint Speed Calculator Calculate sprint speed in m/s, km/h and mph from distance and time.
- Sprint Triathlon Pace Calculator Estimate your total sprint triathlon finish time from swim, bike and run paces.
- Squat from Deadlift Estimator Estimate a squat 1RM from your deadlift 1RM.
- Step Test Fitness Score Calculator Calculate your Harvard Step Test Physical Efficiency Index from recovery pulse counts.
- Steps per Mile Calculator Estimate how many steps cover a mile from your height (stride ≈ 0.413 × height).
- Strength Standards Calculator See beginner-to-elite lifting benchmarks for your sex and body weight.
- Stride Length Calculator Estimate your stride length from height, plus steps needed per kilometer.
- Swim Interval Pace Calculator Calculate the send-off interval and total set time for a swim workout from swim time, rest and reps.
- Swim Threshold Pace Calculator Convert a test-set distance and time into threshold pace per 100 m and speed.
- Swim Time from Pace Calculator Calculate total swim time for a distance from your pace per 100m.
- Swimming Calories Burned Calculator Estimates the calories you burn swimming by stroke, based on weight and time using MET values.
- SWOLF Score Calculator Swim efficiency score from strokes plus seconds for a pool length.
- Taper Mileage Calculator Reduce peak weekly mileage for race week by your chosen taper percentage.
- Target Heart Rate Percentage Calculator Calculates your target heart rate as a chosen percentage of your age-based maximum heart rate.
- Tennis Match Stats Calculator Calculate your total-points-won percentage from the points you won and lost in a tennis match.
- Tennis UTR Estimate Calculator Estimates a Universal Tennis Rating from your average opponent UTR and the percentage of games you win, clamped to the 1–16.5 scale.
- Time Under Tension Calculator Calculate total time under tension from your tempo (eccentric, pauses, concentric) and reps.
- Total Cycling Resistance Power Calculator Estimate Total Cycling Resistance Power for cycling performance and race pacing.
- Track Lap Pace Calculator Compute the target time for each lap (e.g. 400 m) to hit your goal time.
- Training Impulse (TRIMP) Compute Banister TRIMP training load from heart rate.
- Training Load from RPE Calculator Estimate the working weight for a target reps and RPE from your one-rep max using the Epley formula.
- Training Stress Score (TSS) Calculator Compute cycling Training Stress Score from ride duration, normalized power and FTP.
- Training Volume Load Calculator Calculate your session volume load as sets × reps × weight, plus total reps.
- Treadmill Incline Pace Equivalent Calculator Find the flat-road pace that costs the same energy as running at a treadmill incline, using the Minetti energy-cost model.
- Treadmill Pace Conversion Calculator Convert a treadmill speed in mph or km/h into pace per mile and per kilometre, plus projected 5K, 10K, half and full marathon times.
- Triathlon Transition Time Calculator Total your swim, bike, run and T1/T2 transitions for your triathlon finish time.
- Tumble Turn Time Saving Calculator Estimate the total swimming time saved by using tumble (flip) turns instead of touch turns, based on per-turn times and number of turns.
- Two-Mile Run Score Calculator Score the 2-mile run on the ACFT-style scale (100 points at 13:30, 60 at 22:00) and get the pace, pass status and the time needed for a target score.
- Ultra Pacing Calculator Predict an ultramarathon finish time from distance, elevation gain, terrain, aid-station time and your flat pace, including late-race fade.
- Variability Index Calculator Calculate cycling Variability Index (NP ÷ average power) with IF, TSS and a pacing verdict.
- VDOT Running Score Calculator Calculate your Daniels VDOT running score from any race distance and finish time, plus easy, threshold and interval training paces.
- Vertical Jump Power (Lewis) Calculator Estimate peak power (watts) from vertical jump height and weight via the Lewis formula.
- VO2max (Astrand Step Test) Calculator Convert your steady-state heart rate from the Åstrand–Ryhming step test into VO2max, with the age correction applied.
- VO2max from Resting Heart Rate Calculator Estimate VO2max from your resting and maximum heart rate with the Uth–Sørensen formula — no exercise test needed.
- VO₂max from Rockport Walk Test Calculator Estimate VO₂max from the Rockport 1-mile walk test using weight, age, sex, time and heart rate.
- VO₂max Step Test Calculator Estimate your VO₂max from a step test recovery heart rate using the Queen's College regression.
- Walk-Run Interval Calculator Build a run/walk plan: number of cycles and total run and walk time for a session.
- Warm-Up Set Calculator Get a ramp-up warm-up plan (40/55/70/85%) leading to your working weight.
- Watts per Kilogram Category Get cycling power-to-weight ratio and rider category.
- Weekly Mileage Build-Up Calculator Build a safe week-by-week running mileage ramp from your current volume to a peak target, with recovery weeks and a percentage increase cap.
- Weekly Mileage Buildup Calculator Project safe weekly running mileage using the 10% rule over a number of weeks.
- Wheel Size Speed Calculator Convert wheel circumference and RPM into speed in km/h and mph.
- Wind-Adjusted Running Pace Calculator Find the pace you can hold in a headwind, tailwind or crosswind for the same effort.
- Yasso 800s Calculator Convert a goal marathon time into your Yasso 800 repeat time (and back), with rep pace, marathon pace and total workout time and volume.
- Zone 2 Heart Rate Calculator Find your Zone 2 (aerobic base) heart-rate range — 60–70% of max heart rate (220 − age).