Make everyday costs easier to understand.
CostMeter.online is a free collection of practical calculators for energy, vehicles, salary, savings and business decisions.
What CostMeter does
Many everyday decisions involve the same problem: a few numbers are available, but it is difficult to see what they mean over a month, a year or a different scenario. CostMeter turns those inputs into clear estimates and comparisons.
What makes the site useful
We show the formula or method behind each calculator, provide editable assumptions, explain limitations and link related tools so a visitor can explore the same decision from different angles.
What CostMeter does not do
The site does not replace professional financial, tax, legal, engineering or investment advice. Calculator results are estimates and should be checked against authoritative information before an important decision.
Our direction
The site will grow gradually. New calculators are added when they solve a distinct practical problem rather than simply duplicating existing pages.