http://www.ladyada.net/library/pcb/costcalc.html

http://www.tecbridgecircuits.co.uk/priceform.php

http://www.multi-circuit-boards.eu/en/pricing/printed-circuit-boards.html

http://be.eurocircuits.com/shop/ecbasket/services.aspx?lang=en

http://makepcb.com/

http://www.sanmina-sci.com/components/printed-circuit-boards/cost-ratio-calculator/index.php

http://www.leiton.de/en-leiterplatten_kalkulation_start.html

http://www.pcb-pool.com/ppuk/order_productconfiguration_js.html

http://www.pcbya.com/en/calculator.php

http://www.probots.co.in/pcbcostcal.html

http://www.pcboards.eu/en/quote_online_calculate_price_printed_circuit_board_pcb