Terms of Service
Last updated: March 19, 2026
Please read these Terms of Service carefully before using calstack.pro. By accessing or using our website, you agree to be bound by these terms. If you disagree with any part of the terms, you may not access the website.
1. Use of Calculators
The calculators provided on CalStack are for informational and educational purposes only. The results produced by our calculators are estimates based on the information you provide and general industry benchmarks. They are not a substitute for professional financial, accounting, legal, or business advice.
CalStack makes no representations or warranties about the accuracy, completeness, or suitability of the calculator results for any particular purpose. You should verify all calculations independently and consult appropriate professional advisors before making any business or financial decisions.
2. Intellectual Property
The website and its original content, features, and functionality are and will remain the exclusive property of CalStack and its licensors. Our trademarks and trade dress may not be used in connection with any product or service without the prior written consent of CalStack.
3. User Content
You retain ownership of any information you enter into our calculators. By using our website, you grant CalStack a non-exclusive, worldwide, royalty-free licence to use aggregated, anonymised data derived from calculator usage to improve our services and publish industry benchmarks.
4. Affiliate Relationships
CalStack participates in affiliate marketing programmes. When you click on affiliate links on our website and make a purchase, we may receive a commission. This does not affect the price you pay. We only recommend tools and services we believe are genuinely useful to our users.
5. Disclaimer of Warranties
The website is provided on an "as is" and "as available" basis without any warranties of any kind, either express or implied. CalStack does not warrant that the website will be uninterrupted, error-free, or free of viruses or other harmful components.
6. Limitation of Liability
In no event shall CalStack, its directors, employees, partners, agents, suppliers, or affiliates, be liable for any indirect, incidental, special, consequential, or punitive damages, including without limitation, loss of profits, data, use, goodwill, or other intangible losses, resulting from your use of the website or calculator tools.
7. Premium Subscription
CalStack Premium is a paid subscription service. By subscribing, you agree to pay the applicable subscription fee. Subscriptions automatically renew unless cancelled at least 24 hours before the end of the current subscription period. You may cancel your subscription at any time through your account settings. No refunds are provided for unused portions of subscription periods.
8. Prohibited Uses
You may not use CalStack for any unlawful purpose, to scrape or copy our calculator logic or content for commercial purposes, to attempt to reverse engineer our calculator algorithms, or in any way that could damage, disable, or impair the website.
9. Changes to Terms
We reserve the right to modify or replace these Terms at any time. We will provide notice of significant changes by updating the "Last updated" date. Your continued use of the website after any changes constitutes acceptance of the new terms.
10. Contact
Questions about these Terms should be sent to: hello@calstack.pro