A free online calculator with finance, electrical, and chemistry formulas

Noveii Calc is a free calculator that runs entirely in your browser. It has seven modes (Simple, Scientific, Finance, Business, Electrical, Chemical, and Converter) and a running tape that keeps every result in view while you work. There is no signup, and nothing you enter is sent or stored.

What it calculates

• Simple and Scientific: everyday arithmetic and scientific functions, with a running tape of results.
• Home and auto finance: mortgage payments, the true monthly cost with property tax, insurance, and HOA, what home price you can afford, car loan payments, down payments, and how much interest extra payments save.
• Business: percentage of a value, percent change, markup, profit margin, discounts, tip and split, sales tax, loan payments, and compound interest.
• Electrical: Ohm's law for voltage, current, and resistance, power, resistors in series and parallel, voltage dividers, LED resistor sizing, energy cost, and RC time constants.
• Chemistry: molar mass from any formula, moles and mass, molarity, dilution (C1V1 = C2V2), ideal gas, pH and [H⁺], percent yield, and density.
• Unit converter: conversions across 10 categories of units.

Quick answers

Is Noveii Calc free?

Yes. It is free to use, with no signup or account.

Is anything I type sent or saved?

No. Every calculation runs in your browser, and nothing you enter is sent or stored.

Can it work out a mortgage or loan payment?

Yes. Finance mode calculates a monthly mortgage payment along with the loan amount and total interest, and Business mode has an amortized loan payment calculator.

Explore more free tools from Noveii, like the free invoice generator and quote builder, or see how we build custom CRMs for service businesses.