Contact

FiberTools is a collection of free self-service calculators and utilities built specifically for knitters, crocheters, weavers, spinners, and fiber artists of every skill level. Jason, the owner and developer, maintains the site to help with planning projects, converting measurements, and working through pattern calculations.

Whether you are a beginner figuring out how much yarn you need for your first scarf or an experienced maker calculating complex shaping for a custom garment, we want to hear from you. Your feedback helps us improve existing tools, fix errors, and build new calculators that the fiber arts community actually needs.

Get in Touch With FiberTools

The best way to reach us is by email. Send your message to the address below and we will get back to you as quickly as we can.

Email: hello@fibertools.app

What Can I Help You With?

We welcome all kinds of messages from the fiber arts community. Here are some of the most common reasons people get in touch:

Tool feedback, Let us know if a calculator gave you an unexpected result, if the interface is confusing, or if you have ideas for improving an existing tool. Specific details (the values you entered, the result you expected) help us investigate faster.
Yarn calculation questions, Unsure which calculator to use for your project, or need help interpreting a result? We are happy to point you in the right direction.
Pattern suggestions, If you would like to see a calculator or reference chart for a specific technique, stitch pattern, or craft discipline, let us know what you need to calculate.
Bug reports, Something broken, displaying incorrectly, or not loading? Please include the device and browser you are using so we can reproduce the issue.
Accessibility issues, We are committed to making every tool usable by everyone. If you encounter a barrier related to screen readers, keyboard navigation, color contrast, or any other accessibility concern, please tell us so we can fix it.
Partnership and collaboration inquiries, If you are a yarn brand, pattern designer, fiber arts educator, or content creator interested in working together, we would love to hear your ideas.

Response Time and Process

Jason maintains FiberTools and handles messages. Response times can vary. If a tool is not working, include the tool name and a description of the problem so he can investigate.

Other Ways to Connect

While email is the fastest way to reach us directly, you can also explore the full suite of free tools available on FiberTools. If you have not tried them yet, here are a few popular starting points:

Yarn Calculator , Scale yarn consumed by a representative swatch to a flat rectangular project, with a chosen planning allowance.
Gauge Calculator , Calculate stitch and row gauge from measured swatch counts and dimensions.
Blanket Size Calculator , Find the right dimensions and yarn requirements for blankets of every size, from baby to king.

Browse all of our tools from the homepage to discover calculators for hats, socks, granny squares, cross-stitch, color pooling, and much more.

Frequently Asked Questions About FiberTools

Is FiberTools free?

All self-service calculators stay free. Optional professional reviews and project downloads are paid. Clearly disclosed affiliate commissions also help support the calculator library without requiring a login. We offer offline access through our progressive web app, so you can use your favorite tools even without an internet connection.

Who creates these tools?

FiberTools is built and maintained by Jason Ramirez, founder, owner and developer. Read the About page for his background and how to approach the tools as planning aids.

Can I suggest a new calculator?

Yes. If there is a calculation you find yourself doing by hand over and over, send us an email at hello@fibertools.app and describe the problem you are trying to solve. We review every suggestion and prioritize based on how many crafters would benefit.