ToolTrio — Finance & Health Calculators
Free mortgage, 401k, compound interest, BMI and calorie calculators. Make smarter financial and health decisions — instant results, no signup.
Trusted finance and health calculators built for everyday decisions. Plan your retirement, calculate your BMI, track your calories and manage your budget — all in one place.
Also searched as Tool Trio, Trio Tools, Tools Trio and Toolstrio.
Finance Calculators
View all finance calculators →Health Calculators
View all health calculators →Free Finance & Health Calculators — Built for Real Decisions
🏠 Mortgage & Home Loan Calculators
Buying a home is one of the biggest financial decisions you will make. Our free mortgage calculator breaks down your monthly payment into principal, interest, taxes and insurance (PITI) so you know exactly what to expect before you sign.
🏛️ Retirement Calculators — 401k, Roth IRA, FIRE
Whether you are just starting out or closing in on retirement, our free 401k calculator, Roth IRA calculator and FIRE calculator help you model your retirement savings and reach financial independence faster.
💰 Compound Interest & Investment Calculators
Time in the market beats timing the market. See exactly how your money grows with our compound interest calculator, which supports monthly contributions, variable rates and both annual and monthly compounding.
⚖️ BMI & Body Composition Calculators
Know your numbers with our free BMI calculator, body fat calculator and ideal weight calculator. Each uses clinically referenced formulas so you get results you can actually trust.
🔥 Calorie, TDEE & Macro Calculators
Reach your weight goals with a plan built around your body. Our calorie calculator, TDEE calculator and macro calculator give you a personalised daily target for calories, protein, carbs and fat.
📊 Popular Finance Comparisons
Roth IRA vs Traditional IRA · Rent vs Buy · Pay Off Mortgage vs Invest · CD vs HYSA
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Frequently Asked Questions
What is ToolTrio?
ToolTrio is a free finance and health calculator website. It offers mortgage calculators, retirement planners, BMI calculators, calorie trackers and 200+ other finance and health tools — no signup required.
What is the best free mortgage calculator?
Our free mortgage calculator shows your full monthly payment including principal, interest, property taxes and homeowner insurance. No signup, instant results.
How do I use the 401k calculator?
Enter your current age, retirement age, current balance, monthly contribution and employer match. The calculator projects your balance at retirement using compound growth.
How accurate is the BMI calculator?
Our BMI calculator uses the standard formula: BMI = (weight in lbs × 703) ÷ (height in inches)². It gives a quick reference for adults and is consistent with CDC guidelines.
What is TDEE and why does it matter?
TDEE (Total Daily Energy Expenditure) is the total number of calories your body burns in a day. Knowing your TDEE helps you set accurate calorie targets for weight loss, maintenance or muscle gain.
What is compound interest and how is it calculated?
Compound interest is interest earned on both your principal and previously accumulated interest. The formula is A = P(1 + r/n)^(nt). Over time, compounding turns small regular investments into significant wealth.
Are ToolTrio calculators really free?
Yes. Every finance and health calculator on ToolTrio is completely free to use with no registration, no subscription and no hidden fees.
Is ToolTrio also called Tool Trio or Trio Tools?
Yes. ToolTrio is also searched as Tool Trio, Trio Tools, Tools Trio, Trio Tool and Toolstrio. All of these refer to ToolTrio.com.