Feedback

Use your form plugin shortcode here.

Feedback | MixDesignCalc — Share Your Experience

📅 2026 — ALWAYS IMPROVING

We’d love your
feedback

Every response shapes how MixDesignCalc evolves. Tell us what’s working, what’s missing, and where we can do better.

Average response in 4 hrs
94% of suggestions reviewed
2,800+ engineers trust us

💬

Share Your Feedback

Takes 2–3 minutes · All responses reviewed by our team

What kind of feedback is this? *
💬
General Feedback
🐞
Bug Report
💡
Feature Request
📖
Content Error

Overall experience with MixDesignCalc
⭐
⭐
⭐
⭐
⭐
Pretty good

📋 Details
Which part of the calculator? optional

Design standard used optional

Your feedback *

💡 For bug reports: include the concrete grade, inputs used, and what went wrong. For feature requests: describe your use case and why it matters to your workflow.

Which aspects does this relate to? optional
Calculation accuracy
Ease of use / UI
Missing feature
Wrong standard applied
PDF report quality
Mobile experience
Speed / performance
Reference content error

📊 Quick Ratings
How accurate are the calculation results?
Not accurate
Perfectly accurate

7 / 10
How easy is the calculator to use?
Very difficult
Effortless

8 / 10
Would you recommend MixDesignCalc to a colleague?
👍
Yes, definitely
🤔
Maybe
👎
Not yet

👤 About You
Optional — only needed if you’d like a reply or if we have follow-up questions about your feedback.
Name optional

Email optional

Your role optional

Permission to contact you about this feedback? optional

We’ll never share your contact details with third parties or use them for marketing without explicit consent.

🔒 Your feedback is encrypted and handled per our Privacy Policy. We never sell user data.

✓

Thank you for your feedback!

Your response has been sent to our team. If you left an email address and requested a reply, we’ll get back to you within 1–2 business days.

Your input directly shapes how MixDesignCalc improves — every suggestion is read and considered.

← Submit another
Return to Calculator →

📞

Other Ways to Reach Us

💬
Live Chat
Mon–Fri, 9 AM–6 PM IST
Avg. wait: < 3 minutes

📧
Email Support
support@mixdesigncalc.com
Response within 24 hrs

👥
Community Forum
Ask questions, share tips
2,400+ active engineers

📋
Help Centre
Guides, walkthroughs & FAQ
docs.mixdesigncalc.com

⏰

Expected Response Times

🐞
4 hrs
Critical bug reports
💡
1–2 days
Feature requests
📖
1 day
Content errors
💬
24 hrs
General feedback

Response times are during business days (Mon–Fri IST). Bugs affecting core calculations are treated as critical and addressed immediately.

🔁

Recent Updates

NEW
AS 1379 (Australian standard) method added to calculator
May 2026
IMP
Moisture correction tool now supports RCA high-absorption pre-wetting calculation
Apr 2026
FIX
Fixed FA absolute volume rounding error when silica fume > 10% was entered
Apr 2026
NEW
CO₂ footprint estimator added to Results tab using ICE Database v3.0 factors
Mar 2026
IMP
QC Dashboard now generates Cusum control charts (Pro plan)
Mar 2026
FIX
IS 456 acceptance criteria check corrected for M30 individual result limit (was showing −4 MPa, fixed to −3 MPa)
Feb 2026
View full changelog →

🔍