活得更强健。
健康与健身
为 r/Fitness、r/loseit、r/GainIt、r/running、r/weightroom、r/Stronglifts 和 r/sleep 社区打造的源自 Reddit 的计算器和参考工具——BMI、饮水量、体脂率(海军法)、理想体重、腰臀比、TDEE、卡路里消耗、蛋白质需求、宏量营养素分配、心率区间(卡沃宁法)、最大心率(田中公式)、配速换算、5 公里成绩推算 VO2max、1RM(Epley/Brzycki)、杠铃片计算、RPE → %1RM、热身组、睡眠周期、咖啡因半衰期和睡眠负债。
33 个工具可用
身体成分
BMI、体脂率(海军法)、瘦体重、理想体重、腰臀比和饮水量计算——r/loseit、r/Fitness 和 r/GainIt 身体成分讨论背后的数学。
营养
TDEE、卡路里消耗、宏量营养素分配和按体重计算的蛋白质需求,服务 r/Fitness、r/MealPrepSunday 和 r/EatCheapAndHealthy 的营养讨论。
有氧与心率区间
最大心率(田中公式)、卡沃宁心率区间、配速 ↔ 速度换算和 5 公里成绩推算 VO2max,为 r/running、r/cycling 和 r/Rowing 打造。
力量训练
1RM(Epley / Brzycki / Lombardi)、杠铃配片、RPE → %1RM 和热身组计算——r/weightroom 和 r/Stronglifts 训练进阶的基础。
睡眠与恢复
90 分钟睡眠周期规划器、咖啡因半衰期和睡眠负债计算器,基于 r/Fitness 和 r/sleep 的讨论打造。
Wind Chill Calculator
Compute the felt-air temperature from wind speed and air temperature.
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BMI Calculator
Calculate Body Mass Index and see healthy ranges.
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Daily Water Intake Calculator
Get a personalized daily water target based on weight, activity, and climate.
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Body Fat % Calculator (Navy Method)
Estimate body-fat percentage from tape measurements and BMI.
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Ideal Weight Calculator (Devine / Hamwi / Robinson)
Compare the popular clinical ideal-weight formulas.
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Waist-to-Hip Ratio Calculator
Compute waist-to-hip ratio and the WHO health-risk band.
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TDEE & Macro Calculator
Calculate how many calories you burn per day and how to split them into protein, carbs, and fat.
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Calorie Burn Calculator
Estimate calories burned during exercise using MET formulas.
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Daily Protein Requirement Calculator
Get a protein target in g/day from body weight, lean mass, and activity.
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Macro Splitter (Carbs / Fat / Protein)
Split a calorie target into carbs, fat, and protein grams.
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Max Heart Rate Calculator (Tanaka)
Estimate HRmax from age with the Tanaka formula.
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Heart Rate Zone Calculator (Karvonen)
See your 5 training zones from resting HR and HRmax.
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Pace Converter (min/km ↔ min/mi ↔ km/h ↔ mph)
Convert running pace between metric and imperial units.
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VO2max Estimator from 5K Time
Estimate VO2max and equivalent race times from a recent 5K.
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One-Rep Max Calculator (Epley / Brzycki / Lombardi)
Estimate your 1RM from a sub-maximal set.
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Barbell Plate Loading Calculator
See exactly which plates to load on each side of the bar.
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RPE to %1RM Calculator
Convert Rate of Perceived Exertion to %1RM.
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Warm-Up Set Calculator
Build a smart warm-up ramp to your working sets.
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Sleep Cycle Calculator
Find the best bedtime or wake time based on 90-min sleep cycles.
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Caffeine Half-Life Calculator
Find out how much caffeine is still in your system at bedtime.
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Sleep Debt Calculator
See how much sleep debt you've accumulated and when you'll recover.
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Heat Index Calculator (NWS Rothfusz)
Get the felt-air temperature from heat and humidity.
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Running Pace Zones Calculator
Get easy / tempo / threshold / interval / repetition paces from a recent race or threshold pace.
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Race Time Predictor (Riegel)
Predict your 5K / 10K / half / marathon time from any other race result.
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Race Splits Calculator
Get per-mile or per-km splits to hit a goal finish time.
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Boston Qualifier Pace Calculator
What pace do you need for a Boston Qualifier at your age and gender?
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Labor Probability Estimator
Estimate the chance you'll go into labor this week.
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Heart-Rate Zone Calculator
Set Karvonen or Tanaka HR zones from age and resting HR.
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Race Time Predictor
Predict your finish time for any distance from a recent race.
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Maternity Benefit Net Pay
Estimate your net maternity benefit after the annualised tax rule.
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Cycle-Adjusted Due Date
Compute the EDD from LMP + cycle length or from a known conception date.
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NIPT False Positive Risk
What's the chance a 'high-risk' NIPT result is actually a false positive?
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新生儿第一年成本计算器
估算所在城市新生儿第一年总成本。
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