Dodo Calc - 68 everyday calculators in one app
This is an independent app. It is not affiliated with, endorsed by, or representing any government entity. All results are estimates for reference only.
A basic calculator opens right away; specialized ones are one tap away in the menu.
✓ Free ✓ Works offline ✓ No access to contacts, location or storage ✓ History stays on your device ✓ 45 languages
■ Finance (11) Loan payment, Total interest, Take-home pay, Gross pay from net, Monthly-annual salary, Simple & compound interest, Savings & deposits, Savings goal, Investment return, Pension, Tax, Budget
■ Home & Daily Life (8) Sales tax, Discount, Tip, Split the bill, Utility bill split, HOA fee split, Moving cost, Rent comparison
■ Currency & Travel (9) Live exchange rate, Travel budget, Cost of living, Rental car, Fuel economy, Gas cost, Baggage fee, Travel insurance, Time zones
■ Health (13) BMI, BMR, Calorie burn, Body fat, Waist-Hip Ratio, Goal weight, Exercise calories, Steps, Water intake, Sleep, Heart rate, Blood pressure, Alcohol
■ Basic Math (8) Percentage, Percent change, Average, Ratio, Exponent & root, GCD, Prime factorization, Base conversion
■ Unit Conversion (19) Length, Weight, Area, Volume, Temperature, Speed, Time, Angle, Pressure, Energy, Power, Data, Network speed, Bits, Illuminance, Noise, Concentration, Chemical amount, Conversion table
Not a medical device. It does not diagnose, treat or prevent any medical condition. Consult a healthcare professional for medical advice.
■ Sources
Income tax and social insurance rates in the take-home pay calculators follow figures published by the official authorities below (2026 tax year). Rates are simplified and may lag official updates.
Argentina https://www.afip.gob.ar · Australia https://www.ato.gov.au · Brazil https://www.gov.br/receitafederal https://www.gov.br/inss · Canada https://www.canada.ca/en/revenue-agency.html · Chile https://www.sii.cl · China https://www.chinatax.gov.cn · Colombia https://www.dian.gov.co · France https://www.impots.gouv.fr https://www.urssaf.fr · Germany https://www.bundesfinanzministerium.de https://www.deutsche-rentenversicherung.de · Hong Kong https://www.ird.gov.hk https://www.mpfa.org.hk · India https://www.incometax.gov.in https://www.epfindia.gov.in · Indonesia https://www.pajak.go.id https://www.bpjsketenagakerjaan.go.id · Italy https://www.agenziaentrate.gov.it https://www.inps.it · Japan https://www.nta.go.jp https://www.nenkin.go.jp · Kazakhstan https://kgd.gov.kz · Korea https://www.nts.go.kr https://www.nps.or.kr https://www.nhis.or.kr · Malaysia https://www.hasil.gov.my https://www.kwsp.gov.my · Mexico https://www.sat.gob.mx https://www.imss.gob.mx · Netherlands https://www.belastingdienst.nl · Norway https://www.skatteetaten.no · Pakistan https://www.fbr.gov.pk · Philippines https://www.bir.gov.ph · Poland https://www.podatki.gov.pl https://www.zus.pl · Portugal https://www.portaldasfinancas.gov.pt https://www.seg-social.pt · Russia https://www.nalog.gov.ru · Saudi Arabia https://zatca.gov.sa https://www.gosi.gov.sa · Singapore https://www.iras.gov.sg https://www.cpf.gov.sg · South Africa https://www.sars.gov.za · Spain https://sede.agenciatributaria.gob.es https://www.seg-social.es · Sweden https://www.skatteverket.se · Taiwan https://www.mof.gov.tw https://www.bli.gov.tw · Thailand https://www.rd.go.th https://www.sso.go.th · Turkey https://www.gib.gov.tr https://www.sgk.gov.tr · United Kingdom https://www.gov.uk/government/organisations/hm-revenue-customs · United States https://www.irs.gov https://www.ssa.gov · Vietnam https://www.mof.gov.vn
Health: BMI - World Health Organization https://www.who.int · Blood pressure - American Heart Association https://www.heart.org · Body fat - US Navy circumference method · BMR - Harris-Benedict equation (Roza & Shizgal, 1984)
Exchange rates: ExchangeRate-API https://www.exchangerate-api.com
Feedback and calculator requests are always welcome.
Recent changes:
• Removed a duplicate entry from the pressure unit list
• Bug fixes and stability improvements on some devices
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