Last Updated: September 12, 2026
This GDPR Privacy Notice explains how MarginCalculator.io (“we,” “our,” “us,” or the “Website”) handles personal data relating to individuals in the European Economic Area (EEA), the United Kingdom (UK), and other jurisdictions where applicable data-protection laws provide similar rights.
This notice supplements our Privacy Policy and Cookie Policy. If you are located in the EEA, UK, or another jurisdiction where the General Data Protection Regulation (GDPR) or similar privacy legislation applies, this notice describes your applicable rights and how you may exercise them.
Data Controller
For purposes of applicable data-protection laws, MarginCalculator.io may act as the controller of personal data collected directly through the Website.
Website: MarginCalculator.io
Email: contact@MarginCalculator.io
If you have questions regarding the processing of your personal data, you can contact us at the email address above.
Personal Data We May Collect
Depending on how you interact with the Website, we may process limited categories of personal data, including:
- IP address
- Browser and device information
- Operating system
- Approximate geographic location
- Website usage and interaction information
- Pages visited and referring websites
- Date and time of visits
- Information you voluntarily provide when contacting us
- Information collected through cookies and similar technologies
MarginCalculator.io does not generally require users to create an account to use our calculators.
Calculator Information
Our calculators may allow you to enter numbers, prices, percentages, quantities, or other information to generate a result.
Unless specifically stated otherwise, calculator inputs are intended to be processed to provide the requested calculation and are not intended to identify you personally.
You should not enter sensitive personal data, passwords, payment-card information, bank-account information, government identification numbers, or other confidential information into calculator fields.
Purposes of Processing
We may process personal data for purposes including:
- Providing and operating the Website
- Providing calculator functionality
- Responding to inquiries and communications
- Maintaining Website security
- Detecting and preventing abuse or fraudulent activity
- Understanding Website usage
- Measuring traffic and performance
- Improving our calculators, content, and services
- Managing cookies and user preferences
- Displaying and measuring advertising
- Complying with legal obligations
We will not use personal data for purposes that are incompatible with the purposes described in our applicable privacy notices unless permitted or required by law.
Legal Bases for Processing
Where the GDPR applies, we may rely on one or more of the following legal bases for processing personal data:
Consent
We may process certain information based on your consent, particularly where consent is required for non-essential cookies, certain analytics technologies, or personalized advertising.
You may withdraw consent at any time where applicable.
Contract or Steps Prior to a Contract
Where necessary, we may process information to provide a service you have requested or take steps at your request before entering into an agreement.
Legitimate Interests
We may process information where necessary for legitimate interests, such as operating, securing, maintaining, and improving our Website, preventing abuse, and understanding general Website performance, provided that these interests are not overridden by your fundamental rights and freedoms.
Legal Obligations
We may process information when necessary to comply with applicable laws, regulations, legal proceedings, or lawful requests from authorities.
Cookies and Similar Technologies
MarginCalculator.io may use cookies, pixels, local storage, and similar technologies.
Depending on their purpose, cookies may be categorized as essential, functional, analytics, or advertising technologies.
Where applicable law requires consent, we will seek your consent before placing or using non-essential cookies and similar technologies.
For more information, please review our Cookie Policy.
Third-Party Service Providers
We may use third-party providers to support Website operations, analytics, advertising, hosting, security, or other services.
These providers may process personal data on our behalf or independently, depending on the service and applicable legal relationship.
Where required, we take reasonable steps to ensure that appropriate contractual and data-protection safeguards are in place.
Third-party providers may have their own privacy policies and terms, which may apply to their processing activities.
International Data Transfers
Some service providers used by MarginCalculator.io may process personal data outside the EEA or UK.
Where personal data is transferred internationally and applicable law requires safeguards, we seek to use appropriate legal mechanisms, which may include:
- Adequacy decisions
- Standard Contractual Clauses
- Other legally recognized transfer mechanisms
- Appropriate contractual, technical, or organizational safeguards
The specific safeguards applicable to a particular transfer may depend on the third-party service involved.
Data Retention
We retain personal data only for as long as reasonably necessary for the purposes for which it was collected, including fulfilling legal, accounting, security, or other legitimate requirements.
Retention periods may vary depending on the type of information and the reason it was collected.
When information is no longer required, it may be deleted, anonymized, or securely disposed of, subject to applicable legal requirements.
Your GDPR Rights
If the GDPR applies to you, you may have the following rights, subject to applicable legal conditions and exceptions:
Right of Access
You may request confirmation of whether we process your personal data and, where applicable, request access to that data.
Right to Rectification
You may request correction of inaccurate or incomplete personal data.
Right to Erasure
You may request deletion of your personal data in circumstances provided by applicable law.
Right to Restriction
You may request that processing of your personal data be restricted in certain circumstances.
Right to Data Portability
Where applicable, you may request certain personal data in a structured, commonly used, and machine-readable format and request its transmission to another controller.
Right to Object
You may object to certain processing activities based on legitimate interests or other applicable legal grounds.
You may also have an unconditional right to object to direct marketing where applicable.
Right to Withdraw Consent
Where processing is based on consent, you may withdraw your consent at any time. Withdrawal does not affect the lawfulness of processing that occurred before consent was withdrawn.
Rights Regarding Automated Decision-Making
Where applicable, you may have rights relating to solely automated decision-making, including profiling, that produces legal or similarly significant effects.
MarginCalculator.io does not generally make decisions about individuals based solely on automated processing that produce legal or similarly significant effects.
How to Exercise Your Rights
To submit a privacy request, contact us at:
Email: contact@MarginCalculator.io
Please clearly describe the request and provide enough information for us to understand and process it.
We may need to verify your identity before fulfilling certain requests in order to protect personal information from unauthorized disclosure.
We will respond to valid requests within the time period required by applicable law.
Right to Lodge a Complaint
If you believe that your personal data has been processed unlawfully, you may have the right to lodge a complaint with the relevant data-protection supervisory authority in your country or place of residence.
For individuals in the EU, supervisory authorities are responsible for monitoring compliance with applicable data-protection laws.
UK residents may contact the Information Commissioner’s Office (ICO) where appropriate.
Children’s Privacy
MarginCalculator.io is not intended to knowingly collect personal information from children.
If you believe that a child has provided personal data to us and you believe the processing is unlawful, please contact us at contact@MarginCalculator.io.
Data Security
We use reasonable technical and organizational measures designed to protect personal data against unauthorized access, loss, misuse, alteration, or disclosure.
However, no Internet transmission or electronic storage system can be guaranteed to be completely secure.
Changes to This GDPR Notice
We may update this GDPR Privacy Notice periodically to reflect changes to our Website, services, data-processing practices, or applicable legal requirements.
When we make changes, we will update the “Last Updated” date at the top of this page.
We encourage you to review this notice periodically.
Contact Us
For questions, privacy requests, or concerns regarding this GDPR Privacy Notice, please contact:
MarginCalculator.io
Email: contact@MarginCalculator.io
Related Privacy Documents
For additional information, please also review our: