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We Are Here to Help You
Calculate Your Next Move.

Whether you have spotted a calculation error, have a question about a specific financial formula, want to request a new tool, or have a business inquiry for MAFHH INTERNATIONAL LTD — our team reads every message and responds within 24–48 business hours.

📧 24–48 Hour Response 🔒 No Data Sold — Ever ⚖️ Not a Financial Advisor 🧮 200+ Free Calculator Tools
Contact Information
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Email Support
[email protected]
All inquiry types — calculator errors, methodology, business
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Operated By
MAFHH INTERNATIONAL LTD
Technology & data publishing company
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Response Time
24–48 Business Hours
Calculator errors prioritized & addressed immediately
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Platform
USFinanceCalculators.com
200+ free U.S. financial calculators
✅ Real team, real responses — no autoresponder-only support
🔒 Zero data harvesting — form submissions used only to respond to you
⚖️ No financial advice given via support channels
🛠️ Accuracy corrections prioritized over all other inquiries
📋 Privacy Policy  |  Terms & Conditions
What Can We Help With?

Select Your Inquiry Type

We handle six categories of contact. Knowing which type best fits your message helps us route it to the right team member and respond accurately.

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Priority Response

Calculator Error Report

Found a result that looks wrong? We treat accuracy corrections as our highest priority. Include the calculator name, your inputs, the result received, and the expected result.

Examples: Wrong tax bracket applied, incorrect amortization output, outdated IRS figure, FHA MIP rate mismatch
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Technical Question

Methodology Question

Questions about the formulas, financial conventions, or regulatory standards our calculators use. We explain every calculation in plain English.

Examples: Why monthly vs. annual compounding for mortgages? How is the 72(t) SEPP calculated? What IRS table is used for RMDs?
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Feature Request

New Tool Request

Don’t see a calculator you need? We genuinely want your input. Highly requested tools are added to our development roadmap and built to U.S. regulatory standards.

Examples: New tax scenario tool, specialized business finance calculator, niche mortgage product, state-specific tool
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Business Inquiry

Business & Partnership

Commercial licensing questions, partnership proposals, content collaboration, and media inquiries directed to MAFHH INTERNATIONAL LTD. Include your company name and specific proposal.

Examples: Calculator licensing, white-label inquiry, sponsored content, press/media inquiry
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Legal Inquiry

Legal & IP Matter

Intellectual property concerns, DMCA notices, copyright questions, or other legal matters pertaining to content on USFinanceCalculators.com or MAFHH INTERNATIONAL LTD.

Examples: Unauthorized use of calculator code, content reproduction, DMCA takedown request
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General

General Feedback

Compliments, suggestions, user experience feedback, or anything else that doesn’t fit another category. Your feedback directly influences what we build and improve next.

Examples: UX suggestion, mobile issue, content feedback, general praise or criticism we can learn from
Send Us a Message

Fill in the form below and our support team will respond within 24–48 business hours. Calculator error reports are prioritized and addressed as quickly as possible — often same-day.

We will only use your email to respond to this inquiry. Privacy Policy →

🔒 Your submission is private. We never sell, share, or monetize contact form data. By submitting, you agree to our Privacy Policy and Terms & Conditions.

Why Contact Us with Confidence

Our E-E-A-T Commitment Extends to Every Support Interaction

The same standards that govern our calculators govern every response we send.

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Experience

Real Responses From Real People

Every message is read by a real team member — not an automated bot or generic autoresponder. Calculator error reports are verified against the relevant IRS, HUD, CFPB, or regulatory source before any correction is deployed.

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Expertise

Methodology Explained Clearly

Methodology questions receive answers that cite the specific regulatory source — IRS Revenue Procedure, HUD Mortgagee Letter, CFPB rulemaking, or applicable federal statute. We explain the math, not just the result.

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Authoritativeness

Operated by MAFHH INTERNATIONAL LTD

USFinanceCalculators.com is a purpose-built platform operated by MAFHH INTERNATIONAL LTD — not a content farm or anonymous affiliate site. The organization behind every tool is accountable and reachable via this page.

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Trustworthiness

Your Contact Data Is Private

Contact form submissions are used only to respond to your inquiry. We never sell, share, or use your email address for marketing without explicit consent. Your contact information is processed under our full Privacy Policy.

Common Questions

Contact & Support — Frequently Asked Questions

Select “Calculator Error” as your inquiry type on the form above, then provide: (1) the name of the calculator, (2) the exact inputs you entered, (3) the result you received, and (4) what you believe the correct result should be with a source if possible. We verify every reported error against IRS, HUD, CFPB, or applicable regulatory documentation and deploy confirmed fixes as quickly as possible — often the same day for critical errors.
Response times by inquiry type: Calculator errors and legal/IP matters are treated as priority — we aim to respond as quickly as possible, often same-day. Methodology questions and tool requests receive responses within 24–48 business hours. Business inquiries and general feedback receive responses within 48–72 business hours. All times are based on business days (Monday–Friday).
No. USFinanceCalculators.com is a free calculator platform operated by MAFHH INTERNATIONAL LTD — not a licensed financial advisory firm, CPA practice, law firm, or registered investment advisor. We cannot and do not provide personalized financial, tax, investment, legal, or insurance advice via any channel, including our contact form. For personalized guidance, please consult a licensed CPA, CFP, attorney, or RIA in your state.
No. USFinanceCalculators.com is not a lender, mortgage broker, or financial services provider. We do not originate loans, connect users with lenders, or earn referral fees of any kind. Our tools produce estimates to help you understand the math behind financial products — they are not connected to any application, approval, or origination process. Contact a licensed lender directly for loan applications.
Select “Tool Request” as your inquiry type and describe the calculator you need — including the financial calculation it should perform, the U.S. regulatory framework it should follow (IRS, HUD, CFPB, etc.), and any specific inputs and outputs it should include. Highly requested tools are added to our active development roadmap. We currently maintain 200+ calculators across 9 categories and regularly add new tools based on user demand.
Yes. Contact form submissions are used exclusively to respond to your inquiry. We do not sell, share, rent, or use your contact information for marketing purposes without your explicit consent. Your data is handled under our full Privacy Policy. Unlike our calculator tools (which run entirely client-side with zero data transmission), contact form submissions are transmitted to our support team via secure, encrypted connection — solely to enable us to respond to you.
USFinanceCalculators.com is owned and operated by MAFHH INTERNATIONAL LTD, a technology and data publishing company. The platform provides 200+ free, privacy-first U.S. financial calculators across 9 categories: mortgages and real estate, tax and financial planning, investing and retirement, personal loans and auto finance, credit and debt management, insurance, personal finance and budgeting, business finance, and legal and international finance.
Select “Legal / IP Matter” as your inquiry type and provide full details of the claimed infringement — including the content at issue, the URL where it appears, your ownership documentation, and the nature of the violation. MAFHH INTERNATIONAL LTD takes all IP complaints seriously. Legal and IP matters are treated as a priority and we respond as quickly as possible. You can also email [email protected] directly with “IP COMPLAINT” in the subject line for fastest routing.

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