About GotCalc
What Is GotCalc?
GotCalc is a free collection of online calculators and conversion tools covering finance, health, math, home improvement, date and time, and more. Every tool on the site is free to use, requires no account or signup, and works instantly in your browser.
Our Goal
We built GotCalc because most calculator sites are slow to load, hard to use, or require you to create an account just to run a basic calculation. Our goal is simple: fast, accurate calculators that just work. No signup walls, no dark patterns, no nonsense.
We take accuracy seriously. Every formula and data source is documented in the tool itself so you can verify results independently.
What We Cover
- Finance — mortgage, loan, compound interest, retirement, debt payoff, inflation, tax, and more
- Health — BMI, calories, TDEE, sleep, pregnancy, fitness pace, and more
- Math — scientific calculator, fractions, percentages, GPA, grade, and more
- Home — concrete, paint, mulch, square footage, electricity cost, and more
- Conversions — length, weight, temperature, volume, speed, data storage, and more
- Date & Time — age, countdown, business days, time zones, holidays, and more
We add new tools regularly. View the full list at /tools.
Contact
Have a question, found an error, or want to suggest a tool? Reach out at [email protected]. We read every message.