I was snooping around the Internet and looking at standard measurements and metric measurement. I like to tinker on vehicles and it really does bug me that some cars use standard wrenches and then others use metric. I often wonder why they can't all be the same. The video above really does a nice just explaining things and it would work really well in a classroom setting.
STANDARD / METRIC
WRENCH CONVERSION CHART
WRENCH CONVERSION CHART
Bolt Size | Standard | Metric |
1/8" | 5/16 | 8 mm |
3/16" | 3/8 | 10 mm |
1/4" | 7/16 | 11 mm |
5/16" | 1/2 | 13 mm |
3/8" | 9/16 | 14 mm |
7/16" | 5/8 | 16 mm |
1/2" | 3/4 | 19 mm |
9/16" | 13/16 | 21 mm |
5/8" | 15/16 | 24 mm |
3/4" | 1 1/8 | 28 mm |
7/8" | 1 5/16 | --------- |
1" | 1 1/2 | --------- |
I actually found out that only 3-4 countries in the world use the English system of measurement. Myanmar (Burma), Liberia,USA and the UK. I find it very interesting that we are only 1 of 3-4 countries that don't use the metric system.
I personally wish we would change to the metric system just because the metric system is based on 10 where the standard system uses 12. It would just be easier and I like things easier when it comes to teaching and learning math.
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