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← Back to All CalculatorsA-47, Sector 62, IT Park, Noida, Uttar Pradesh, India
At Calculator Expert, we firmly believe that a great online tool is only as good as the team standing behind it. Our platform hosts over 100 free online calculators spanning finance, health, mathematics, and everyday utilities — but the real foundation of Calculator Expert is the relationship we have built with our users. Every suggestion we have received, every bug that has been reported, and every message of appreciation has made our platform better.
Whether you are a student who noticed a discrepancy in a formula, a professional requesting a specialised tool, an investor curious about a financial calculation, or simply someone who wants to say hello — we are genuinely happy to hear from you. Our promise is simple: every message sent to Calculator Expert is read by a real human being, and every query receives a thoughtful, personalised reply.
📧 Technical Support & Bug Reports: support@calculatorexpert.online
👋 General Inquiries, Suggestions & Partnerships: hello@calculatorexpert.online
📞 Phone: +91 98765 43210 | +1 (800) 123-4567
📍 Office: A-47, Sector 62, IT Park, Noida, UP 201309, India
Both inboxes are monitored daily — including weekends. We aim to reply within 24 hours for all queries.
Calculator Expert grew — and continues to grow — because real users took the time to reach out with feedback, corrections, and ideas. When a teacher pointed out a missing percentage use-case, we added it within a week. When investors requested a CAGR Calculator, we built it within a month. When parents wanted a Pregnancy Due Date Calculator with week-by-week milestones, we delivered. This is how Calculator Expert evolves: through an ongoing conversation with the people who use our tools every day.
We are also deeply committed to the accuracy of every tool we publish. If you ever notice that a result seems off, please tell us immediately. Accuracy is the most important thing we offer, and we verify every formula against authoritative sources — including RBI guidelines for EMI, WHO standards for BMI, CBDT slabs for income tax, and Mifflin-St Jeor equations for BMR.
If a calculator is producing incorrect results, please report it to support@calculatorexpert.online. Include the calculator name, input values, result received, and expected result. All bug reports are reviewed within 12 hours and fixed as our top priority.
If there is a calculation tool you need but can't find on Calculator Expert, we want to hear about it. Use the contact form and select "Suggest a New Calculator". Some of our most popular tools — including our Running Pace Calculator and Retirement Savings Calculator — began as user suggestions.
Are you a financial advisor, health professional, educator, or content creator interested in collaborating? Are you a journalist writing about online calculator platforms? Email hello@calculatorexpert.online with your proposal and we'll respond within 48 hours.
Every message is read and replied to by a real team member — not a bot or automated template.
General queries: 24 hours. Bug reports: 12 hours. Partnership inquiries: 48 hours.
Any information you share is kept strictly confidential and never shared with third parties.
If you report a bug, we fix it. If you suggest a calculator, we review it seriously. Your contact leads to real changes.
Thank you for visiting Calculator Expert and for taking the time to reach out. We genuinely look forward to hearing from you. Reach us anytime at support@calculatorexpert.online (technical support) or hello@calculatorexpert.online (general inquiries). We'll be in touch soon.