International Tolerance
9.3
1.33
2025-06-24
Latest Version
International Tolerances calculator is always at hand! Complies with ISO-286.
Calculates tolerance and deviations by giving size and letter-based tolerance (e.g. "js16") (ISO-286 and GOST-25346 standards).
Gives result as 3 numbers (size, upper deviation, lower deviation).
Supports viewing of last requests.
Auto-complete tolerance field, sorting variants according to usage.
You may view all variants of size and deviations in specific tolerance, provided by the standard (leave the size field empty).
The average size between deviations can be shown (menu - settings).
If you find a wrong result in calculating deviations, please write me with feedback. Any suggestions are welcome. The App is developing.
What's New in the Latest Version 1.33
Last updated on Oct 19, 2015 1.33:Fixed error with tolerances FG1-FG9.
1.32:
Fixed error with tolerances f with sizes from 30 to 55 mm.
1.31:
Fixed error with tolerances k1-k5, k9-k18.
1.3:
Added calculate of the average size between deviations. You can enable this option in menu - settings.
Fixed error with tolerances N1-N8 and some js.
1.21:
Minor bugs fixed.
Some optimizations.
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