Popular Calculators 2026

70+ most-used calculators across all countries — updated & ready for you
Browse all popular Browse by country
70+ popular tools 4 countries 6+ categories
🇺🇸

United States

45+ calculators
Popular calculators for US students, homeowners & professionals

Academic

AP Bio Score AP Chemistry Score AP World Score T-Test Substitution Rock Mass Rating Exponential Growth Graduation Year HCPSS Grade Implicit Derivative SHSAT Score

Financial

Mortgage Calculator Tree Removal Cost Indiana Child Support

Home Improvement

Pool Salt Boiler Feed Pump Linear Feet

Gaming / OSRS

Blox Fruits OSRS Construction Grow a Garden Pet

Health

RPE Calculator Dog Weight Panda Express Nutrition

Utilities

Aspect Ratio Log Weight McMillan MPa to PSI North & South Node Power Factor SMV Calculator Timecode 4-20 mA Amps to kW Alcohol Dilution Candle Wax Clean Time CX3 Calculator Dilution Factor DLI Calculator Draw Length Friction Loss Fuel Injector
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Canada

12 calculators
Popular calculators for Canadian students, residents & gamers

Gaming / OSRS

OSRS DPS Calculator

Health

Period Calculator FFMI Calculator MAP Calculator

Utilities

Scientific Calculator Snow Day Calculator Physical Presence MPI Insurance OINP Points RESP Calculator Square Root Citizenship Calculator
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Australia

5 calculators
Popular calculators for Australian students & car buyers

Academic

Study Score Deakin ATAR SACE ATAR

Financial

Novated Lease Car Finance
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India

12 calculators
Popular calculators for Indian students, taxpayers & policyholders

Academic

Engineering Cutoff

Financial

LIC Jeevan Labh Income Tax 12th Bipartite Salary LIC Jeevan Anand LIC Kanyadan Policy LIC Money Back 20Yr Star SIP GST Distance Notice Period Railway Ticket LIC Jeevan Lakshya

Important disclaimer

TotalCalcHub provides calculators for estimation only. By using this website, you acknowledge:

🌍 Country-specific limitations:
• USA: AP calculators not official College Board. Mortgage estimates; consult a professional.
• Canada: Not official government tools. Consult CMHC or a broker for mortgage estimates.
• Australia: ATAR not official VTAC/QTAC. Financial estimates; consult an advisor.
• India: Income tax estimates; consult a CA. LIC calculators not official LIC of India.
⚖️ General: No professional advice · Accuracy may vary · No liability · External links. Updated for 2026 where applicable.