Health & Fitness Tools

Free health and fitness calculators that run in your browser — barbell plate loading, BMI and BMR, cycling power, bike gearing and tire pressure, beer calories, and more. Nothing is uploaded, and there is no account or sign-up.

13 tools available

Barbell Plate Calculator

Plates to load per side, any bar or set, lb/kg.

Calories Per Dollar Calculator

Calories ÷ price → calories per dollar, as you type

Beer Calorie Calculator

Beer calories from ABV & serving size, or homebrew OG/FG.

Beta Carotene Converter

Beta-carotene to bioavailable retinol (RAE) & daily value

Cycling Power Calculator

Estimate cycling watts & calorie burn from speed & weight

Bike Gear Calculator

Gear ratio, gear inches & cassette jump calculator

Bike Tire Pressure Calculator

Instant front/rear PSI & BAR from weight, width, surface.

BMI Calculator

Adult BMI in metric or imperial, with WHO category

BMR Calculator

Resting calories per day, Mifflin-St Jeor

Body Fat Calculator

Body fat % from tape measurements (US Navy method)

Bra Size Calculator

Six tape measurements to your UK and US bra size

Daily Coffee Counter

Log each cup and watch the ring fill to your daily limit.

IBU Calculator

Beer IBU from hop additions — Tinseth or Rager

Every tool runs in your browser — no upload, no account, free.