Personal measurement tools
Compare body measurements with named clothing charts and explicit sizing assumptions.
Bra measurement and size-chart calculator
Use named Wacoal measurement ranges or convert existing Freya labels across UK, US, EU and French systems.
Dress measurement and editable size-chart guide
Compare bust, waist and hip measurements with a named regular-fit chart or your entered brand table.
Measured belt size and hole positions
Convert a measured wearing length into belt size and leather-fold hole positions with explicit buckle allowance.
Adult BMI reference
Calculate adult BMI from measured height and weight, with CDC categories and explicit population limits.
Adult body surface area estimate
Estimate adult body surface area with the Mosteller formula. Educational geometry only; no medication dosing.
Resting energy and maintenance estimate
Calculate Mifflin resting energy and a maintenance scenario using an explicitly entered activity multiplier.
Last-period due-date estimate
Estimate a due date from a known last menstrual period and regular 28-day cycle using the 280-day convention.
Mid-parental adult-height reference
Calculate the AAP mid-parental height reference and broad target interval from both biological parents’ measured heights.
Alcohol dose and peak-model scenarios
Calculate ethanol dose and two illustrative Widmark peak scenarios. No present-BAC measurement or driving clearance.
Love test
Compare four lighthearted preferences with a partner. A private conversation quiz with transparent answer counts, not a compatibility prediction.