Super Calculator
Free online calculators for finance, health, math, and everyday conversions. No sign-up, no adverts on tool pages, just the answer.
Every calculator here shows the formula it uses and a worked example, so the answer can be checked by hand rather than taken on trust.
Calculators
Agriculture and gardening
Farming, livestock, gardening and horticulture calculators.
Business
Corporate finance, SaaS metrics, marketing, operations and logistics calculators.
Construction
Construction, renovation, carpentry and woodworking calculators.
Conversions
Unit and size conversion calculators across metric and imperial systems.
Dates and time
Date arithmetic, duration, age and time zone calculators.
Engineering
Electrical, mechanical, structural, civil and chemical engineering calculators.
Finance Calculators
Loans, mortgages, interest, savings and tax.
Food and drink
Cooking, baking, brewing, recipe scaling and food safety calculators.
Health Calculators
Body measurements, nutrition and everyday health numbers.
Home and energy
Household energy, utilities, solar, heating and home project calculators.
Insurance and risk
Insurance, legal settlement, actuarial and regulatory risk calculators.
Lifestyle
Sport, games and odds, study and grading, events, pets and everyday calculators.
Mathematics
Algebra, calculus, geometry, linear algebra, statistics and probability calculators.
Real estate
Mortgage, affordability, home equity and investment property calculators.
Science
Physics, chemistry, astronomy, meteorology and ecology calculators.
Tax
Income, payroll, property, consumption and business tax calculators.
Technology
Computing, networking, data, cryptography, audio, photography and text calculators.
Transport
Automotive, aviation, maritime, travel and navigation calculators.