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Simple wellness calculators, free and right in your browser. Nothing is sent or stored.
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BMI
22.5
65 kg
170 cm
BMI calculatorYour body mass index in one second, with what the number means.About 1 min · no sign-upOpen the tool - FreeBirth chartYour Sun, Moon and Rising signs, calculated from your date, time and place of birth.About 1 min · no sign-upOpen the tool
- Free
22:156×
23:455×
01:154×
Sleep calculatorThe best time to go to bed or wake up, in sleep cycles of about 90 minutes.About 1 min · no sign-upOpen the tool - Free
40
Due date calculatorYour estimated due date, how many weeks pregnant you are and the key milestones, from your last period.About 1 min · no sign-upOpen the tool - Free
14
Ovulation calculatorYour estimated ovulation date and your most fertile days, for the next three cycles.About 1 min · no sign-upOpen the tool - Free
฿26k
Quit smoking savings calculatorWhat you save by quitting smoking, and what changes in your body, hour by hour.About 1 min · no sign-upOpen the tool - Free
2.6 L
Daily water intake calculatorHow much water to drink each day based on your weight, activity and the heat, in glasses.About 1 min · no sign-upOpen the tool - Free
2.4
Alcohol units calculatorHow many standard drinks your drinks contain, and how that compares with health guidelines.About 1 min · no sign-upOpen the tool - Free
68
Well-being self-assessmentFive questions, two minutes: your well-being score on the WHO-5 index and what it means.About 1 min · no sign-upOpen the tool - Free
1,850
Calorie calculatorYour daily calorie needs for your goal (lose, maintain, gain), with the split into protein, carbs and fat.About 1 min · no sign-upOpen the tool - Free
2,430
TDEE calculatorThe energy you really burn each day, at rest and in activity, with the breakdown of what makes it up.About 1 min · no sign-upOpen the tool - Free
4·4·4·4
Box breathingA visual guide to breathe in four equal counts and bring stress down in a few minutes, with no app or account.About 1 min · no sign-upOpen the tool - Free
98%
Moon phasesTonight's moon phase, the next full and new moons, and a lunar calendar for the month.About 1 min · no sign-upOpen the tool - Free
馬
Chinese zodiac signYour animal and element in the Chinese lunar calendar, with the character that goes with it, your allies and your coming years.About 1 min · no sign-upOpen the tool - Free
11
Life path numberYour life path number calculated from your date of birth, with its meaning and your personal year.About 1 min · no sign-upOpen the tool - Free
7 · 3 · 9
Numerology calculatorYour full numerology profile: life path, expression number, soul urge, personality, birthday and personal year.About 1 min · no sign-upOpen the tool - Free
11:11
Angel numbersThe meaning of the numbers you keep seeing (111, 222, 1234…), explained through their numerology.About 1 min · no sign-upOpen the tool - Free
5/1
Human Design chartYour Human Design type, strategy, authority and profile, calculated in your browser with your bodygraph.About 1 min · no sign-upOpen the tool - Free
☾ 7 · 3
Dream interpretationDescribe your dream: the tool spots its symbols (snake, teeth, water, monk, parents…), explains them, gives advice and lucky numbers.About 1 min · no sign-upOpen the tool - Free
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Crystal finderYour Thai birth day, one or two intentions and your budget: three stones, the reason behind each one and how to care for them.About 1 min · no sign-upOpen the tool - Free
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Crystal care guideFor each stone, what is safe, what needs care and what to avoid, with the reason and the source.About 1 min · no sign-upOpen the tool - Free
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Crystal authenticity checkerEach stone's common fakes, the signs of a natural stone and a few simple questions to spot glass, dye and suspicious prices.About 1 min · no sign-upOpen the tool - Free
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Crystal combinationsChoose 2 or 3 stones: shared intentions, cleansing methods you can use together, scratch risks and warnings.About 1 min · no sign-upOpen the tool - FreeLucky color todayWhat color to wear today for work, money, love, protection or health, and which color to avoid: the Thai Taksa (ทักษา) table, by day of the week or by your birth day.About 1 min · no sign-upOpen the tool
- FreeThai Birth Day and Buddha of the DayEnter your birth date to find your Thai birth day (Wednesday night included), your Buddha posture, ruling deity, lucky and unlucky colors, day number, kalakini letters and the chant to recite.About 1 min · no sign-upOpen the tool
- FreeThai zodiac signFind your real sign in Thai astrology: exact sidereal calculation for your birth year, comparison with your Western sign, ruling planet, lucky color, gemstone and compatibility.About 1 min · no sign-upOpen the tool
- FreePi Chong (Tai Sui) clash year checkerWhich Chinese zodiac signs are in full clash (ชงเต็ม) or shared clash (ชงร่วม) in 2026, 2027 and 2028? Enter your birth year or date to see your level, each clash type explained (冲, 刑, 害, 破, 值), a 12-animal wheel and what Thai-Chinese tradition suggests for kae chong.About 1 min · no sign-upOpen the tool
- FreeThai love compatibilityTwo birth dates, three Thai readings: birth-day pairs (friend, element, enemy) and Taksa, Chinese zodiac signs and Pi Chong, Thai sidereal signs. A detailed score and a card to share.About 1 min · no sign-upOpen the tool
- FreeSiam Si online: Thai fortune sticks (เซียมซี)Pick your intention, ask your question silently and shake the เซียมซี cup, or your phone: one of 28 sticks falls, with its verse and a reading for work, money, love, health, travel and legal matters.About 1 min · no sign-upOpen the tool
- FreeDaily TarotDraw your tarot card of the day, the same all day long, or a 3-card, love or career spread. 78 cards designed for this site, upright and reversed meanings, readings for love, work, money and health.About 1 min · no sign-upOpen the tool
- FreeLucky Numbers from Life EventsSaw a snake, noticed a licence plate, have a date that matters or a vivid dream? Get 2, 3 and 6 digits using popular Thai methods, with every step shown and the next lottery draw date.About 1 min · no sign-upOpen the tool
- FreeLucky Phone NumberCheck your Thai mobile number with Thai numerology: digit sum, the meaning of every digit pair, your birth-day kalakini digit, and scores for work, money, love and health. Free.About 1 min · no sign-upOpen the tool
- FreeLucky License Plate CheckerCheck a Thai license plate (e.g. 1กข 1234): letter values, total sum, kalakini letters and digits for your birth day, number pairs and better-matched numbers.About 1 min · no sign-upOpen the tool
- FreeLucky House NumberWork out the digit sum of your Thai house or condo room number with Thai numerology, see what it means, check the kalakini digit of your birth day and simple feng shui points, and compare up to 4 homes. Free.About 1 min · no sign-upOpen the tool
- FreeBuddhist holy days calendarEvery Wan Phra and Wan Kon of the year from the Thai lunar calendar, a countdown to the next one, the major festivals (Makha, Visakha, Asanha, Khao Phansa…) and an .ics file for your calendar app.About 1 min · no sign-upOpen the tool
- FreeThai birth elementFind your ธาตุเจ้าเรือน according to traditional Thai medicine: birth month element, a constitution quiz, plus the tastes, foods, herbs and treatments that suit it.About 1 min · no sign-upOpen the tool
- FreeAuspicious C-section date planner (ฤกษ์ผ่าคลอด)Enter your due date and the window your doctor has set: the tool ranks every day by the Thai กาลโยค calendar, your preferred birth day and the parents' กาลกิณี days, with the traditional lucky time slots.About 1 min · no sign-upOpen the tool
- FreeMeditation Timer with BellsFree meditation timer: 5 to 60 minutes or any length, interval bells, singing bowl, temple bell or gong, guided cues (anapanasati, Buddho, body scan, metta) and a practice calendar.About 1 min · no sign-upOpen the tool
- FreeGuided breathing exercisesFive breathing techniques guided step by step with animation, sound and timer: alternate nostril breathing, belly breathing, humming bee breath, ujjayi and kapalabhati, each with its contraindications.About 1 min · no sign-upOpen the tool
- FreeST-5 Stress TestCheck your stress level with the official ST-5 questionnaire from Thailand's Department of Mental Health: 5 questions, a score out of 15, what your level means, practical tips and free helplines.About 1 min · no sign-upOpen the tool
- FreeHeart Rate Zones CalculatorWork out your maximum heart rate (Tanaka, Fox, Gulati) and your 5 training zones in bpm, with or without resting heart rate (Karvonen). Measure your resting pulse on screen, see an animated heart and get an 80/20 training week.About 1 min · no sign-upOpen the tool
- FreeIdeal Weight Calculator (น้ำหนักมาตรฐาน)Enter your height, age and sex: the tool compares eight formulas (Devine, Robinson, Miller, Hamwi, Broca, Lorentz, Creff and the Thai formula) and gives you a realistic weight range inside the Asian healthy BMI zone, plus a target waist size.About 1 min · no sign-upOpen the tool
- FreeIntermittent fasting plannerPlan your intermittent fasting (12/12, 14/10, 16/8, 18/6, 20/4, OMAD, 5:2) around your wake-up and bedtime: eating window on a 24-hour clock, live timer, fasting stages explained with care, and a streak tracker.About 1 min · no sign-upOpen the tool
- FreeMenopause symptom check (วัยทอง)Eleven questions, one at a time: hot flushes, sleep, mood, joints, intimate comfort. Get your MRS score out of 44, severity by domain, a radar chart, your STRAW+10 stage and tips suited to a hot climate, with nothing sent anywhere.About 1 min · no sign-upOpen the tool
- FreeAge Calculator and Thai Year Converter (พ.ศ. ↔ ค.ศ.)Exact age in years, months and days, birthday countdown, age on any date for forms, Thai legal ages, and a BE, AD, RS, CS and MS converter that handles years starting on 1 April before 1941.About 1 min · no sign-upOpen the tool
- FreeAuspicious Thai nameCheck a Thai name with the Taksa system (det, sri, montri and kalakini letters for your birth day), work out its numerology sum and find names that suit you.About 1 min · no sign-upOpen the tool
- FreeThai Auspicious Days CalendarA monthly calendar of auspicious and unlucky days in Thai tradition: the year's Thong Chai, Athibodi, Ubat and Lokawinat days (Kalayok), lunar days and your birth-day Taksa, for opening a shop, moving house, a wedding or signing.About 1 min · no sign-upOpen the tool
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These tools give general information. They do not replace the advice of a doctor or a qualified professional.