としても・
You grant a point and say it changes nothing. としても supposes it, and にしても mostly takes it as so; にしろ sounds firmer than にしても, and にせよ is mostly written.
even supposing
Even if it costs a little more, I want to choose a product that will last.
granted, but even so
Even if it was a joke, that was put far too harshly.
firmer
It will cost somewhat more, but safety should come first.
としても
Plain form + としても
A noun or a な-adjective keeps だ: 本当だとしても. 仮に or たとえ often opens the sentence.
にしても・にしろ・にせよ
Plain form／noun + にしても
A noun or a な-adjective goes straight on, with no だ: 冗談にしても, 無理にしても.
としても or にしても?
Even supposing he is busy, he should at least be able to phone.
Maybe he is busy, maybe not. Suppose he is.
Granted he is busy, he should at least be able to phone.
You accept that he is busy. Even so.
としても supposes, and leaves open whether it is so. にしても mostly grants something you take to be so.
In everyday talk plain ても says either: 忙しくても、電話くらいはできるはずだ.
としても: even supposing
What you suppose may be unlikely, or plainly untrue. Where としたら (supposing) goes on to what would follow, としても goes on to what stays the same.
Even if the project falls a month behind, it can still be finished within the fiscal year.
Even if we ran now, we wouldn't make it.
Even if you are only being kind, I'm glad to hear it.
にしても: granted, but even so
It grants a fact (you were in a hurry) or a plan still open (a day trip). What follows is mostly your own verdict, and often a complaint. いくら in front makes it "however much".
However much of a hurry you were in, I wish you had said something.
Even if it is only a day trip, we need to leave by six in the morning.
Winning the title may be beyond us, but I want to win at least once.
にしろ and にせよ
にしろ is met in writing, in formal speech, and in everyday talk when someone is being firm. Both turn up in exam reading.
It may be hard to carry out, but it is worth looking into.
Even if applications fall short of expectations, we cannot say at once that the scheme is not needed.
Two set phrases
Close neighbours
Said twice, it is "whether A or B": take either case, it comes to the same.
Whether you are coming or not, please let us know by Friday.
After a bare noun, としても is usually として and も: "as … too".
He is a doctor, but he is also well known as a writer.
After a person or a group, にしても can be "for … too": how it looks from where they stand.
For the university too, it is hard to meet every request on a limited budget.
Check yourself
1Which one fits?
たとえ給料が
Choose an answer to see why.
2Which one fits?
う
Choose an answer to see why.
More sentences
Even if things don't go as planned, I want some solid results by the end of this month.
Even if the cause was human error, we still need a system to stop it happening again.
Even if we do change the method, explaining it to the people concerned comes first.
Even if the result will be the same, the procedure cannot be skipped.
Even if the first judgment was wrong, the information available at the time was limited.