Saving and personal budgets

Foreign purchase comparison calculator

All delivery and extra charges must already be in the home currency. No tax or duty rate is inferred.

Your numbers

Use the units shown. Results update as you change valid inputs.

YOUR RESULT

All delivery and extra charges must already be in the home currency. No tax or duty rate is inferred.

THE NUMBERS, EXPLAINED

How to use this calculator.

All delivery and extra charges must already be in the home currency. No tax or duty rate is inferred.

Start with your inputs

Enter foreign price, exchange rate (home per foreign), delivery in home currency, other entered charges, local price. Keep amounts in the units shown on each field. The example is a starting point, not a recommended value.

InputExample value
Foreign price100
Exchange rate (home per foreign)0.8
Delivery in home currency10
Other entered charges5
Local price100

A worked example

With the example inputs above, landed cost is 95. Change the inputs to explore your own scenario.

Putting the example numbers into the formula

Landed cost
(100) × (0.8)+(10)+(5) = 95

Saving versus local
(100)-((100) × (0.8)+(10)+(5)) = 5

All results for the example inputs above
ResultExample answer
Landed cost95
Saving versus local5

How this is calculated

Landed cost

a × b+c+d

Saving versus local

e-(a × b+c+d)

Symbols and units
a
Foreign price
b
Exchange rate (home per foreign)
c
Delivery in home currency
d
Other entered charges
e
Local price

Use the units shown. A list keeps the order in which you enter its values. The symbol ^ means “raised to the power of”.

Assumptions and limits

All delivery and extra charges must already be in the home currency. No tax or duty rate is inferred.

Calculations use the values you enter. Blank or invalid inputs show an error instead of silently substituting zero. Results are displayed to useful precision; calculations retain the underlying numeric precision.

Questions about this tool

What does the result tell me?

Landed cost; Saving versus local. The result applies to the method and inputs described above. Check the units and assumptions before using it in a decision.

Why might another calculator differ?

Differences in units, rounding, timing or model definitions can produce different answers. Compare the input definitions and the method, rather than only the final number. For this tool: All delivery and extra charges must already be in the home currency. No tax or duty rate is inferred.

Are my inputs stored or sent to AI?

Calculations on this page happen in your browser. The separate AI question finder sends its submitted conversation to OpenAI; these calculator fields are not sent. Favourites and recent tool names are stored locally. A shared link contains the inputs you choose to include.

Further reading

Investor.gov: financial planning tools ↗

Background reading; this does not imply endorsement or independent review of SumFizz.

Review status

Software example and browser checks are recorded in our quality report. No external expert review is claimed. Created with coding assistance; calculations run as ordinary browser code.

Read the quality report →