Sports
Pace, performance, and sports stats.
Baseball calculators ⚾
BA = Hits / At Bats.
ERA = (ER·9)/IP.
FPCT = (PO+A)/(PO+A+E).
FIP ≈ (13·HR + 3·(BB+HBP) − 2·K)/IP + 3.10.
MN = G + 1 − Wa − Lb.
OBP = (H+BB+HBP)/(AB+BB+HBP+SF).
SLG = TB/AB.
Simplified WAR estimate.
WHIP = (BB+H)/IP.
Basketball calculators 🏀
Vertical needed to dunk: rim height − reach (inches).
eFG = (FGM + 0.5·3PM)/FGA.
Hollinger Game Score.
Approx vertical to reach rim plus ball clearance.
TS = PTS / (2·(FGA + 0.44·FTA)).
Calories burned calculators 🔥
kcal ≈ burpees·0.5·(kg/70).
Approx using Keytel formula (men).
MET 5.0 default.
60–70% of max HR.
MET 6 default.
MET 12 default.
kcal ≈ 1.036·kg·km.
MET 1.5.
MET 6.0.
MET 8.0.
kcal ≈ steps·0.04·(kg/70).
MET 8.0.
MET 3.5.
Approx kg lost: deficit·days/7700.
Cricket calculators 🏏
SR = Runs·100/Balls.
Avg = Runs/Wickets.
Follow-on lead threshold.
Adjusted target estimate.
Simple rating from runs and wickets.
NRR = (RF/OF) − (RA/OA).
Cycling calculators 🚴♀️
Speed = cadence·gear·wheel·60/1000 (km/h).
Gear ratio = chainring/cog.
Pace = time/distance (min/km).
Frame ≈ 0.67·inseam (cm).
≈ 0.2 min gained per min biked.
MET 8.0.
L ≈ 2·CS + (F+R)/4 + 1 (inches).
Gap time = gap_distance/speed_diff (s).
Z2 lower bound: 60% HRmax.
Power ≈ Crr·m·g·v + 0.5·ρ·CdA·v³.
Range = battery_Wh / consumption_Wh_per_km.
Cost per km = price·use/bottle_km.
Other calculators
FOC % = 100·(B − L/2)/L.
Simplified DIN from weight, height, age.
New Elo = R + K·(score − expected).
MET 7.0 soccer.
SV% = saves/shots.
GAA = (GA·60)/minutes.
Sum of 7 event scores.
NFL passer rating.
Min room = table + 2·cue + clearance.
SV% = saves/shots.
Ski length ≈ height − 10 cm.
Balls = matches·avg per match.
Win% = W/(W+L).
Overall fitness calculators 🏅
Performance calculators 💪
AT ≈ 85% HRmax.
METs ≈ 1.44·t (min) + 3.65 (men).
Watts from pace: 2.8/p³.
Avg HR = beats/time.
HRR = HRpeak − HR1min.
Z3 lower bound: 70% HRmax.
Naismith: 12 min/km + 10 min per 100m ascent.
HRmax = 220 − age.
MET·min = MET·minutes·sessions.
Karvonen: HRR·int + HRrest.
VO2max ≈ 15·HRmax/HRrest.
Redundant calculators
Running calculators 🏃
Marathon pace ≈ mile·1.3.
Pace = time/42.195 (min/km).
Pace = time/distance.
Riegel: T2 = T1·(D2/D1)^1.06.
Improvement % = (old−new)/old.
Pace = time/distance.
Split = total/segments.
km = steps·stride/1000.
mi = steps·stride/1609.
Stride ≈ 0.413·height (m).
Easy pace ≈ race pace + 60 s/km.
VO2 from 1.5-mile: 483/min + 3.5.
Running
Marathon Fueling Calculator — sports long-tail query, instant estimate.
Carb Loading Calculator — sports long-tail query, instant estimate.
Training Load Calculator — sports long-tail query, instant estimate.
Acute Chronic Workload Ratio Calculator — sports long-tail query, instant estimate.
Recovery Time Calculator — sports long-tail query, instant estimate.
Training Monotony Calculator — sports long-tail query, instant estimate.
Training Strain Calculator — sports long-tail query, instant estimate.
Running Power Zone Calculator — sports long-tail query, instant estimate.
Cycling FTP Improvement Calculator — sports long-tail query, instant estimate.
Strength Volume Calculator — sports long-tail query, instant estimate.
Triathlon calculators 🏊🏽♀️🚴🏿♂️🏃🏻♀️
Sum of segment times.
Z2 upper: FTP·0.75.
Sodium grams ≈ 0.5·L water.
Z2 lower: 65% HRmax.
Carbs: 60 g/h.
Weekly hours by distance.
Watersports calculators 🌊
Capacity = π·(D²−d²)·W/(4·line_d²).
W (lb) ≈ L·G²/800 (inches).
Vh ≈ 1.34·√LWL (kt, ft).
Size (m²) ≈ 1500·weight/(wind²).
Weight ≈ 10% body weight + suit factor (lb).
Convert SCY → LCM by ·1.11.
Size (m²) ≈ weight·constant/wind.