Use iPhone & Siri as a Tip Calculator

Nov 19, 2012 - 17 Comments

The iPhone becomes a Tip Calculator thanks to Siri

Breaking out the Calculator app can be too time consuming, and while there’s no shortage of tip calculator apps for the iPhone, why download another app if you don’t need to? The next time you’re at a restaurant and want to quickly calculate an appropriate tip according to the bill, all you have to do is ask Siri.

Pose the question to Siri as a simple math problem like so:

  • What is (tip percentage) of (total bill)?
  • What is 20% of $34.52?

You can also give Siri the literal math and get the same response, providing an equation like “15% times 60″. Either way, Siri will report back with the proper math and you’ll find the tip under “Result”.

The iPhone is where this makes the most sense, but obviously it works on the iPod touch and iPad with Siri as well, but most of us aren’t dragging our iPads around to restaurants. File this under yet another useful trick Siri can do, and start using it more if you haven’t yet.

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Posted by: Paul Horowitz in iPad, iPhone, Tips & Tricks

17 Comments

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  1. parakeet says:

    Siri can do almost any simple math, but be careful because she sometimes screws up the order of operations. I don’t think she aways remembers to Please Excuse My Dear Aunt Sally ;)

  2. Cheap Ster says:

    Is 1% of the total bill really that hard to figure out?

    $100.00 = $1.00
    $49.00 = $.49 Cents

    Servers are overpaid.

  3. mjeske says:

    Anybody who can’t figure out 15% in their head had to much wine at dinner.

    Take 10% (move the decimal point).
    Divide that by 2 and add both.

  4. simplicitisimo says:

    Tax x2, rounded up. Always works for me.

  5. Jeremy Moss says:

    A few years ago I bought a refrigerator at a local appliance store. The store clerk had to use a calculator to work out my 10% deposit. Twice.

  6. Grant says:

    Tipping sucks, America(ns). Also please switch to the metric system.

  7. BDK says:

    OMG I feel sorry for anyone that can’t figure this out in their head. It’s basic math that 6th graders are probably not even being taught anymore.

  8. bakajiji says:

    The funniest thing I ever saw (in this regard) was in a post office here in Japan. The clerk used a calculator to add up my purchases, and then used an abacus to check the calculator!

  9. Robert says:

    I see how useful this is. However for small amounts below 15% it isn’t difficult to work out.

    Still, thanks for the tip..

  10. err404 says:

    Or you could just ask Siri directly. For example “How much should I tip on $30″. This will give you a breakdown of standard tipping amounts.

  11. Robbertvdd says:

    WTF? Calculate a tip? Don’t you Americans just give tips based on your own feeling? Like When you eat for $ 92,- you just pay with a bank note of $ 100,- and tell them to keep the change and when you eat for $81,- you get a bank note of $ 10,- and the waiter searches for the remaining $ 9,- you just tell him to keep it.

    I’ve never heard of calculating tips. I can’t imagine using a calculator or even worse speaking to my iPhone in public to ask how much I’ll have to pay the waiter and then search my wallet for the coins I need to give the person $ 9.75. That’s just completely ridiculous.

    By the way, does America only have coins of $ 0.50, $ 0.10 and $ 0.01? Why are there no coins of $ 0.20 and $ 0.05?

    • Jeff says:

      Yes Americans calculate tips. Personally I just take 10% and double it, then round up to the nearest dollar, unless the service is bad then I do 15% and round down. Your example of an $8 tip on a $92 meal would be insulting, at less than 9%. A tip for good service is around 20%-25%, higher if you feel generous.

      Waiters and servers live off of their tips, this is because the minimum wage in the USA is so shockingly low it’s not enough to live on alone. In some states it’s like $3/hour

      And yes there are 0.25 (quarters) and 0.05 (nickels) coins.

      • Robbertvdd says:

        I don’t see it as an insult. In my opinion a tip is just some extra money for the waiter when I’ve enjoyed my meal. I’m not the one who pays his salary, I only give him a tip. That’s why it’s called a tip and not salary. If the salary is so low, then that’s not my problem. That’s the problem (I didn’t even know how much or less they earn before reading your comment) of the leaders in your country have to fix. How is it possible the minimum wages are so low? That’s a problem the leaders of the USA have to fix.

    • clasqm says:

      Bank notes? Coins? People still use cash where you live?

      You work out an appropriate tip, write it on the appropriate place on the bill (on the cheque in America) and hand it back with your credit card. the waiter adds it up and comes back with the Speedpoint so you can enter your PIN.

      Where I live there are dining establishments that won’t even take cash any more. Not a lot of them, but it’s a trend. Only drug dealers carry lots of cash around.

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