Box Square Meter Surface Area Calculator

Work out the square meter area of a box in seconds.


  1. Please enter only numbers where required and weights in kilograms eg. 300g as 0.300
  2. Javascript must be enabled on your browser.
  3. Quantities of totals are estimated and depends on how products are applied.
1. Measure Width, Height and Length of Box
2. Enter Width, Height and Length of Box

Enter Width, Length and Height in meters eg. 5.35m = 5.35

Enter Width: m
Enter Length: m
Enter Height: m
Total m² Area =

3. Estimated Material Quantities Required for m² Area:


CSM 450gsm: kg

Resin 2.5:1 Ratio: kg

GelCoat 600gsm: kg

Catalyst 2%: kg

(a) CSM based on 450gsm.
(b) Resin calculated at a 2.5:1 Ratio.
(c) GelCoat based on 600 grams per square meter.
(d) Catalyst quantity based on 2% and includes Resin and GelCoat.
(e) Calculated totals are estimated and depends on usage.
(f) Applies to one layer only.


The information included in this document is given in good faith and is intended to assist you the customer in determining the suitability of this product for your application. Due to the diverse applications and conditions in which many of our products may be used, we request that you, the user, test and inspect our product to satisfy yourself of its contents and suitability for your specific need. This document does not constitute any guarantee or warranty expressed or implied. The exclusive remedy for all proven claims is replacement of our product and under no circumstances shall we be liable for any special, consequential or incidental damages.