Math
Direct Variation Calculator
Find k or a missing value in y = kx.
Free to use — no sign-up or login.
k
y₂
Amortization schedule
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This free Direct Variation Calculator covers Find k or a missing value in y = kx.
Direct variation is a constant ratio y/x. Related math tools sit beside How it works, with no account required.
Using the Direct Variation Calculator
Find k or a missing value in y = kx. Typical inputs are x, y and x₂ (optional, 0 to skip). How it works beside the form states the identity the Direct Variation Calculator applies.
FAQ
How do I use the Direct Variation Calculator?
Open the Direct Variation Calculator, fill x, y and x₂ (optional, 0 to skip), and read the result. Direct variation is a constant ratio y/x.
What formula does the Direct Variation Calculator use?
The Direct Variation Calculator uses the identity in How it works. In words: Direct variation is a constant ratio y/x.