Related to this question, are there any metric alternatives to these idioms:
- He inches closer to her.
a. meters? - too far
b. centimeters? - too weird
c. scoots? - don't use units
- By then, she was miles away from him.
a. far away? - again, don't use units
b. kilometers away? - maybe
c. light-years away? - probably better, preserving the hyperbole
- This is an amazing foot-long sandwich.
a. half-a-meter-long? - not accurate
b. dong-long? - even less accurate. It rhymes, though
c. about-a-third-of-a-meter-long? - pretty accurate, but not very marketable
- I went the whole nine yards.
a. the whole 8.23 meters? - ...No
b. all the way? - again, don't use units
- An ounce of common sense is worth a pound of theory.
a. A gram/a tonne? - preserve the weight comparison, but even more hyperbolic
b. A little/a lot? - again, don't use units