About iViv Finance

iViv Finance is a free collection of financial calculators built to help people in the United States make clearer, more confident money decisions. Whether you're estimating a mortgage payment, comparing loan offers, checking your take-home pay, or planning long-term investments, our goal is to give you fast, accurate numbers with no friction.

Our mission

Financial decisions are often made with incomplete information. A monthly payment quoted at a dealership or the "estimated" figure on a loan flyer rarely tells the whole story. We build transparent tools that show not just the payment, but the total interest and true long-term cost — so you can compare options on equal footing before committing.

What makes us different

• Genuinely free. No paywalls, no account required, no usage limits.
• Private by design. Every calculation runs in your browser. We don't collect, store, or transmit the numbers you enter.
• Accurate formulas. Our loan and mortgage tools use the same amortization math lenders use; our paycheck tool applies current federal tax brackets and FICA rules.
• Fast and lightweight. Pages load instantly on any device, with no clutter.

How we're funded

To keep the site free, iViv Finance displays advertising and may earn a commission when you use some of the partner offers we link to. This never affects the results of any calculator, and we clearly label sponsored recommendations. Our tools always show you the honest numbers first.

A note on accuracy

Our calculators are educational tools that produce estimates. Tax rules, interest rates, and personal circumstances vary, and results should not be treated as financial, tax, or legal advice. For major decisions, please consult a qualified professional. See our Disclaimer for details.

Have a question or a suggestion for a new calculator? We'd love to hear from you — visit our Contact page.