Built In-House. Live and Verifiable.

Our products are our case studies. Calculators, tools, and platforms we design, develop, and run with the same architecture we build for clients. Real, verifiable, and live.

ENERGY AXIS · KCAL / DAYBMR · RESTING62%ACTIVITY38%01,6402,6402,640MAINTENANCE LINE · TDEE−500 · 2,140+250 · 2,890GOAL · DEFICIT ⟷ SURPLUS

Health & nutritionLive

TDEE.co

One instrument for your whole energy plan.

Engine
Mifflin-St Jeor · Katch-McArdle · Harris-Benedict
Review
Medically reviewed · Family Medicine
Instruments
8 calculators
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40-WEEK HORIZON · GESTATIONAL WEEKS1ST2ND3RD0142028374024w 3dTODAYESTIMATED DUE DATEEDD = LMP + 280 DAYSHALFWAY · 20 EARLY TERM · 37 FULL TERM · 39–40

Pregnancy timingLive

DueDateCalculator.ai

One date in. Forty weeks in view.

Engine
ACOG dating conventions
Methods
LMP · Conception · IVF
Instruments
6 calculators
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CYCLE DIAL · 28 DAYS · LUTEAL 14OVULATION = NEXT PERIOD − LUTEALOVULATION · DAY 14PERIODDAYS 1–5FERTILE WINDOWDAYS 9–14

Cycle predictionLive

PeriodCalculator.ai

Built like an instrument.

Engine
Luteal-anchored projection
Horizon
3 cycles ahead
Instruments
6 calculators
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TIME HORIZON · CALIBRATED RAIL7h 45mDURATIONSTART8:30 AMRESULT4:15 PMt = h·3600 + m·60 + s · ROLLOVER TRACKED

Time & date utilitiesLive

TimeCalculator.ai

Add time. Measure duration. Count work hours. Calculate dates.

Engine
Local, deterministic time math
Flagships
Time · Date · Duration · Time Card
Instruments
6 live + roadmap
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TWO MEASUREMENTS · SNUG-MEASURE METHODUNDERBUST · SNUG34″→ BAND 34BUST · LOOSE, FULLEST POINT37″− 34 = 3″ → CΔ 3″34C32D36BSISTER ↓SISTER ↑US 34C · UK 34C · EU 75C · FR 90C · AU 12C

Fit & sizingLive

Brasize.ai

Two measurements. One trusted result.

Engine
Snug-measure band + bust-difference cup
Regions
US · UK · EU · AU · FR
Reference
700+ pages
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FIT MAP · MEASUREMENT-FIRSTCHESTHEMLENGTHSHOULDERUS 8 · UK 12 · EU 40 · MMEASUREMENTS → SIZE + CONFIDENCE

Fit & sizing · apparelLive

SizeGuide.ai

Fit perfectly every time.

Engine
Measurement-first fit guidance
Family
Fit & sizing, with Brasize.ai
Focus
Shopper + retailer sizing
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