Mifflin-St Jeor and Katch-McArdle basal metabolic rates, TDEE across five activity levels, and a macro split in grams and calories. METABOLISMMACROSMIFFLIN-ST JEORCLIENT-SIDE
Protein is fixed at 2 g per kg of bodyweight and fat at 0.8 g per kg; every calorie left over goes to carbohydrate.
Convert any pay figure - annual, monthly, weekly, daily or hourly - into every other rate from the same annual hours, with the hours-per-year assumption shown and editable.
Split a week into regular and overtime hours at any multiplier, and read the overtime premium, the effective hourly rate across all hours worked and the annualised figure.
A weight-based daily water estimate in millilitres, litres, glasses and bottles, adjusted for exercise minutes and climate, with the general fitness note spelled out because this is not medical advice.
Turn a distance and a finish time into pace per kilometre, pace per mile, speed in km/h and mph, and metres a second, plus the finish times that same pace holds to across six benchmark distances.
Pull a palette out of any image you drop in.
Resize an image to every favicon size and zip it.
Open Graph and Twitter card tags from a form.
Every status code, searchable, with plain-English notes.
