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About this tool
Rounding shortcuts that turn Swiss franc prices into rupees in your head, with the error percentage of each rule.
This cheat sheet turns a rupees-per-franc exchange rate into arithmetic you can do on a Swiss platform without unlocking a phone. It splits the rate into a decimal shift — for the franc that is simply adding two zeros — and a working multiplier, then searches a whole-or-half multiplier, the same multiplier with an easy percentage nudge such as 5% or 10%, and the nearest simple fraction, reporting the fixed percentage error of each. It is aimed at Indian travellers, students and business visitors dealing with one of the most expensive currencies they will meet.
Open INR to CHF Mental Math Cheat Sheet on AltFTool — it loads instantly in your browser.
Type Today's rate (₹ per 1 CHF) and A price to check (CHF), or tap one of the Common prices chips to load a typical Swiss price.
The sheet works the exact size of the nudge out from that rate: "The rule to memorise" gives the steps to say in your head, and "All three rules compared" lists each shortcut with how far out it is.
The headline shows the exact rupee value against the figure you would reach mentally and the percentage error, followed by "Price ladder to learn by heart", "What each note is worth" and the reverse "Rupees back into francs" rule; Copy sheet copies the lot.
Adding two zeros gets you most of the way; the sheet tells you the exact percentage to add or subtract after that.
Each shortcut carries the percentage it is out by, so you know which purchases deserve a real check.
It derives the francs-per-rupee shortcut too, which matters when you are budgeting rather than shopping.
Add two zeros, then adjust. At around ₹107 per franc, CHF 45 becomes 4,500 plus about 5% — roughly ₹4,725, against an exact ₹4,815. Enter the day's rate above and the sheet recalculates the nudge for it.
No. The Swiss National Bank's ninth series runs 10, 20, 50, 100, 200 and 1000 francs, so the sequence jumps straight from 200 to 1000. The 1000-franc note remains in general circulation, which is unusual among major currencies.
Sometimes, but you should not plan on it. Switzerland is not in the euro area; larger shops, stations and tourist sites may accept euro notes at a rate they choose, and your change comes back in francs. Paying by card in francs, or in cash you have exchanged properly, almost always costs less.
The rate you convert against is the mid-market rate. Indian cards typically add a foreign-currency markup of around 2% to 3.5% plus GST on that fee, and if a Swiss terminal offers to bill you in rupees — dynamic currency conversion — that adds several per cent more. Decline it and pay in francs.
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