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PNG, JPG, PDF up to 5 MBThanks for reaching out. We'll get back to you at within 24 hours (Mon–Fri).
General enquiries are typically answered within 24 hours on business days. Bug reports and billing issues are prioritised — expect a reply within 6–12 hours.
Select "Bug Report" above, choose the calculator from the dropdown, and describe what value you entered and what you expected vs what you got. A screenshot helps enormously.
Yes! Select "Feature Request" and describe the calculator you need. We prioritise based on demand, so the more specific your use case, the better your chances of seeing it built.
We offer embedding partnerships for publishers and financial platforms. Select "Partnership" and include your site URL and estimated monthly traffic. We'll get back within 48 hours.
Cancel any time from Account Settings → Billing. For refunds within the 7-day window, email billing@smartcalculators.in with your order ID and we'll process it the same day.
A public calculator API is in development. If you're interested in early access, select "Partnership" and describe your use case. We'll add you to the waitlist.
Completely. All calculations happen in your browser using JavaScript — nothing you type is ever sent to our servers. See our Privacy Policy for full details.
Please email security@smartcalculators.in directly — do not post vulnerability details publicly. We follow responsible disclosure and will acknowledge receipt within 24 hours.