Dev tools · alternatives · 2026

24 alternatives to PlasticsCalc

Practical injection molding calculators for engineers

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1. 1
   ResinCalc.app▲3

   Free epoxy resin calculator for makers

   Jun 2026 · resincalc.app · its alternatives →

2. 2
   Maker Calc▲91

   Measurement calculator for people who build with their hands

   2023 · makercalc.com · its alternatives →

3. 3
   BuildCalc▲2

   Instant material & cost estimates for DIY home projects

   Apr 2026 · its alternatives →

4. 4
   Proto Labs▲63

   Fast CNC and injection molding prototyping.

   2015 · protolabs.com · its alternatives →

5. 5
   MechanixCalc▲10

   50 ISO/ASME engineering calculators with shareable reports

   Jul 2026 · mechanixcalc.com · its alternatives →

6. 6
   Injection Molding & Mold Manufacturing▲5

   Professional plastic injection molding & custom mold design

   Jan 2026 · rayleap.com · its alternatives →

7. 7
   Asphalt Calculator by PaveMaster Pro▲7

   Instant asphalt quantity & cost estimates

   2025 · its alternatives →

8. 8
   An open source tool to generate Jet Engine compressors▲35

   Hi everyone started this project a year ago to generate the CAD for a Jet Engine Axial Compressor. I am now open sourcing this tool that can take in a JSON file with specs and generate the CAD assembly. Still has a lot of work to improve designs but there isn't anything the Open Source community can't accomplish!

   2023 · github.com · its alternatives →

9. 9
   WoodCalc.net▲10

   Woodworking calculators

   2025 · woodcalc.net · its alternatives →

10. 10
    MatCalc

    Free material cost estimator for engineers and makers

    Apr 2026 · yzg3.github.io · its alternatives →

11. 11
    BuildCalc Hub▲4

    Free construction calculators for contractors and DIYers

    Jun 2026 · thebuildcalchub.com · its alternatives →

12. 12
    StructCalc▲6

    StructCalc: Simplify construction with smart calculations.

    2024 · play.google.com · its alternatives →

13. 13
    Precision Plastic Injection Molding▲2

    Plastic Injection Molding

    2020 · jasonmolding.com · its alternatives →

14. 14
    BuildCalc▲1

    A smart tool to calculate construction materials in seconds

    Jun 2026 · buildcalc-dugt.vercel.app · its alternatives →

15. 15
    Plastic Injection Molds Manufacturer▲1

    Plastic Injection Molds Manufacturer | Mould Design Company

    Aug 2026 · plasticinjection-molds.com · its alternatives →

16. 16
    Print Production Lab▲1

    Free calculators for print, prepress, and production

    Aug 2026 · printproductionlab.com · its alternatives →

17. 17
    PlasCity▲8

    Custom Plastic Extrusion Profiles & OEM Manufacturing

    Aug 2026 · plascityextrusion.com · its alternatives →

18. 18
    IndusCalc▲5

    Project-Centric Engineering: Calculate, Manage, & Report.

    Jan 2026 · induscalc.com · its alternatives →

19. 19
    CraftCalc

    Free trade-grade DIY & home improvement material calculators

    Sep 2026 · tool-1-pied.vercel.app · its alternatives →

20. 20
    LetUsCalc▲3

    Free developer, logistics, and self-employment calculators

    Jun 2026 · letuscalc.com · its alternatives →

21. 21
    Craftech Plastics – Injection Molding▲1

    Plastic injection molding for scalable manufacturing

    Feb 2026 · its alternatives →

22. 22
    TradeCalc

    92 free calculators for builders, contractors & DIY

    Apr 2026 · tradecalc.org · its alternatives →

23. 23
    ElectroCalc Pro v1.0▲2

    Calculator for electromechanical engineers

    Jun 2026 · nadirkdr.github.io · its alternatives →

24. 24
    GravelCalc▲4

    Estimate gravel tons, yards, and project cost instantly

    Jul 2026 · gravelcalculate.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →