How to say "calculate" in Japanese

• 割り出すわりだすCommon
  godan verb, transitive verbThe common word for 'calculate': to work out or compute a figure from other numbers. When you simply need to say you calculated something, this is the usual choice.
• 算を置くさんをおく
  expression, godan verbA less common set expression meaning to calculate, but also to divine — to reckon beforehand how something will turn out. For plain numerical calculation it is seldom the word you want.
• はじき出すはじきだす
  godan verb, transitive verbCovers 'calculate' as working something out — computing to arrive at a figure or result. It is less common, so for ordinary cases 割り出す is the more usual choice.

For plain calculating or computing of a figure, 「割り出す」 is the common, usual choice; 「はじき出す」 likewise works out a result but is less common; 「算を置く」, which also means to divine, is seldom the right pick.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 割り出すわりだすto calculate
• 算を置くさんをおくto calculate
• はじくto use (an abacus)
• はじき出すはじきだすto calculate